7Baggers

Alliance Resource Partners, L.P
(NASDAQ:ARLP) 

ARLP stock logo

Alliance Resource Partners, L.P., a diversified natural resource company, produces and markets coal primarily to utilities and industrial users in the United States. The company operates through three segments: Illinois Basin, Appalachia, and Minerals. It produces a range of thermal and metallurgica...

Founded: 1971
Full Time Employees: 3,602
Sector: Energy
Industry: Thermal Coal

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    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 
                                                                                          
      sales and operating revenues:
                                                                                          
      coal sales
    443,282,000 466,942,000 511,593,000 485,469,000 468,511,000 504,618,000 532,647,000 512,659,000 561,879,000 521,972,000 549,123,000 560,331,000 578,784,000 631,499,000 550,563,000 531,807,000 388,360,000 411,198,000 362,264,000 325,974,000 287,487,000 345,582,000 335,767,000 236,286,000 314,637,000 405,111,000 420,005,000 461,310,000 476,016,000 484,943,000 460,330,000 475,925,000 423,610,000 454,932,000 435,162,000 382,262,000 438,744,000 504,210,000 533,817,000 422,469,000 401,292,000 525,513,000 547,466,000 567,288,000 525,545,000 559,518,000 548,357,000 575,191,000 525,545,000 398,632,500 518,447,000 541,574,000 534,509,000 499,003,000 512,505,000 429,599,000 462,238,000 473,683,000 442,483,000 407,685,000 404,820,000 396,655,000 385,905,000 364,159,000 282,363,000 281,628,000 287,620,000 312,260,000 293,016,000 269,318,000 261,567,000 269,158,000 236,708,000 242,412,000 242,364,000 238,870,000 243,296,000 228,802,000 205,513,000 218,212,000 208,346,000 189,639,000 192,127,000 178,846,000 159,185,000 146,350,000 
      oil & gas royalties
    41,341,000 34,237,000 32,055,000 35,473,000 36,084,000 30,404,000 34,448,000 36,429,000 37,030,000 36,042,000 34,125,000 33,087,000 34,497,000 36,236,000 35,312,000 35,927,000 30,927,000 23,766,000 20,109,000 17,114,000 13,999,000 11,194,000 9,693,000 7,786,000 14,239,000 15,481,000 13,969,000 11,892,000                                                           
      transportation revenues
    8,643,000 10,153,000 7,701,000 8,558,000 10,200,000 30,519,000 24,617,000 26,701,000 30,753,000 46,561,000 34,964,000 30,527,000 30,238,000 20,555,000 28,548,000 35,385,000 29,372,000 24,454,000 22,027,000 12,058,000 11,068,000 4,407,000 6,226,000 5,757,000 4,739,000 16,611,000 20,024,000 32,630,000 30,238,000 36,371,000 28,697,000 27,532,000 19,785,000 16,767,000 8,009,000 7,328,000 9,596,000 10,379,000 7,692,000 5,482,000 6,558,000 9,274,000 9,395,000 7,780,000 6,005,000 8,205,000 6,001,000 5,810,000 6,005,000 5,864,750 11,554,000 4,971,000 6,934,000 5,625,000 5,441,000 6,585,000 6,487,000 7,446,000 8,706,000 9,300,000 7,947,000 7,111,000 8,821,000 9,705,000 10,386,000 11,663,000 12,794,000 10,890,000 11,407,000 11,721,000 11,007,000 10,620,000 9,265,000 9,138,000 10,606,000 8,679,000 9,923,000 10,966,000 8,956,000 10,034,000 11,962,000 9,100,000 8,384,000 9,623,000 9,455,000 6,505,000 
      other revenues
    22,751,000 24,181,000 20,018,000 17,963,000 25,673,000 24,551,000 21,857,000 17,561,000 22,035,000 20,847,000 18,309,000 17,891,000 19,403,000 12,437,000 13,997,000 13,382,000 12,204,000 14,054,000 11,039,000 7,297,000 6,068,000 5,330,000 3,965,000 5,373,000 17,148,000 16,135,000 10,728,000 11,222,000                                                           
      total revenues
    516,017,000 535,513,000 571,367,000 547,463,000 540,468,000 590,092,000 613,569,000 593,350,000 651,697,000 625,422,000 636,521,000 641,836,000 662,922,000 700,727,000 628,420,000 616,501,000 460,863,000 473,472,000 415,439,000 362,443,000 318,622,000 366,513,000 355,651,000 255,202,000 350,763,000 453,338,000 464,726,000 517,054,000 526,602,000 531,840,000 497,758,000 516,137,000 457,122,000 483,211,000 453,189,000 398,720,000 461,080,000 527,400,000 552,074,000 439,150,000 412,829,000 542,152,000 566,445,000 604,720,000 542,038,000 590,793,000 569,328,000 598,562,000 542,038,000 409,713,750 537,229,000 553,571,000 548,055,000 511,441,000 529,864,000 443,586,000 474,609,000 487,747,000 457,946,000 423,258,000 418,613,000 410,448,000 400,343,000 380,661,000 298,183,000 299,644,000 303,904,000 329,300,000 310,947,000 285,790,000 276,224,000 283,588,000 252,428,000 260,526,000 263,309,000 257,071,000 263,193,000 244,740,000 221,304,000 238,320,000 227,332,000 207,043,000 208,716,000 195,627,000 174,658,000 158,261,000 
      yoy
    -4.52% -9.25% -6.88% -7.73% -17.07% -5.65% -3.61% -7.55% -1.69% -10.75% 1.29% 4.11% 43.84% 48.00% 51.27% 70.10% 44.64% 29.18% 16.81% 42.02% -9.16% -19.15% -23.47% -50.64% -33.39% -14.76% -6.64% 0.18% 15.20% 10.06% 9.83% 29.45% -0.86% -8.38% -17.91% -9.21% 11.69% -2.72% -2.54% -27.38% -23.84% -8.23% -0.51% 1.03% 0.00% 44.20% 5.97% 8.13% -1.10% -19.89% 1.39% 24.79% 15.48% 4.86% 15.70% 4.80% 13.38% 18.83% 14.39% 11.19% 40.39% 36.98% 31.73% 15.60% -4.10% 4.85% 10.02% 16.12% 23.18% 9.70% 4.90% 10.32% -4.09% 6.45% 18.98% 7.87% 15.77% 18.21% 6.03% 21.82% 30.16% 30.82%     
      qoq
    -3.64% -6.28% 4.37% 1.29% -8.41% -3.83% 3.41% -8.95% 4.20% -1.74% -0.83% -3.18% -5.40% 11.51% 1.93% 33.77% -2.66% 13.97% 14.62% 13.75% -13.07% 3.05% 39.36% -27.24% -22.63% -2.45% -10.12% -1.81% -0.98% 6.85% -3.56% 12.91% -5.40% 6.62% 13.66% -13.52% -12.57% -4.47% 25.71% 6.38% -23.85% -4.29% -6.33% 11.56% -8.25% 3.77% -4.88% 10.43% 32.30% -23.74% -2.95% 1.01% 7.16% -3.48% 19.45% -6.54% -2.69% 6.51% 8.20% 1.11% 1.99% 2.52% 5.17% 27.66% -0.49% -1.40% -7.71% 5.90% 8.80% 3.46% -2.60% 12.34% -3.11% -1.06% 2.43% -2.33% 7.54% 10.59% -7.14% 4.83% 9.80% -0.80% 6.69% 12.01% 10.36%  
      expenses:
                                                                                          
      operating expenses
    341,298,000 328,193,000 354,604,000 346,288,000 339,436,000 407,090,000 384,844,000 351,605,000 363,859,000 356,563,000 339,099,000 334,402,000 338,723,000 378,089,000 330,298,000 316,502,000 261,746,000 300,497,000 233,201,000 213,039,000 196,520,000 222,123,000 216,027,000 187,164,000 234,342,000 286,845,000 278,254,000 314,273,000 302,728,000 310,870,000 308,404,000 311,201,000 277,238,000 298,355,000 295,385,000 238,668,000 262,792,000 291,335,000 347,711,000 246,499,000 253,303,000 331,099,000 336,527,000 375,065,000 322,242,000 359,055,000 349,170,000 352,893,000 322,242,000 260,514,250 346,045,000 347,437,000 348,575,000 338,644,000 334,647,000 273,515,000 296,744,000 294,771,000 284,117,000 256,118,000 259,578,000 264,388,000 246,702,000 239,267,000 191,834,000 204,840,000 204,477,000 196,376,000 218,552,000 199,321,000 191,363,000 192,618,000 163,271,000 176,857,000 177,968,000 166,989,000 172,660,000 162,209,000 140,877,000 152,010,000 144,058,000 129,912,000 128,125,000 119,393,000 120,367,000 108,919,000 
      transportation expenses
    8,643,000 10,153,000 7,701,000 8,558,000 10,200,000 30,519,000 24,617,000 26,701,000 30,753,000 46,561,000 34,964,000 30,527,000 30,238,000 20,555,000 28,548,000 35,385,000 29,372,000 24,454,000 22,027,000 12,058,000 11,068,000 4,407,000 6,226,000 5,757,000 4,739,000 16,611,000 20,024,000 32,630,000 30,238,000 36,371,000 28,697,000 27,532,000 19,785,000 16,767,000 8,009,000 7,328,000 9,596,000 10,379,000 7,692,000 5,482,000 6,558,000 9,274,000 9,395,000 7,780,000 6,005,000 8,205,000 6,001,000 5,810,000 6,005,000 5,864,750 11,554,000 4,971,000 6,934,000 5,625,000 5,441,000 6,585,000 6,487,000 7,446,000 8,706,000 9,300,000 7,947,000 7,111,000 8,821,000 9,705,000 10,386,000 11,663,000 12,794,000 10,890,000 11,407,000 11,721,000 11,007,000 10,620,000 9,265,000 9,138,000 10,606,000 8,679,000 9,923,000 10,966,000 8,956,000 10,034,000 11,962,000 9,100,000 8,384,000 9,623,000 9,455,000 6,505,000 
      outside coal purchases
     2,782,000 4,514,000 7,179,000 7,345,000 7,879,000 8,192,000 10,608,000 9,112,000 20,410,000 11,530,000 4,209,000    151,000  193,000 6,065,000 114,000      7,447,000 10,599,000 5,311,000  24,000  68,000 1,374,000      1,514,000   1,000 2,000 2,000 2,000 7,000 3,000 2,000 2,000 507,000 636,000 790,000 602,000 4,424,000 16,154,000 14,181,000 24,785,000 19,864,000 5,842,000 3,789,000 4,956,000 5,736,000 4,544,000 1,842,000 1,815,000 517,000 432,000 4,760,000                   
      general and administrative
    24,041,000 20,786,000 21,373,000 20,380,000 20,580,000 17,655,000 21,878,000 20,562,000 22,129,000 17,784,000 20,097,000 20,130,000 21,085,000 17,940,000 21,341,000 22,457,000 18,596,000 18,509,000 18,655,000 17,492,000 15,504,000 18,675,000 13,871,000 13,822,000 13,438,000 17,779,000 17,885,000 19,521,000 17,812,000 18,785,000 15,836,000 17,026,000 16,651,000 15,818,000 15,005,000 14,944,000 16,033,000 19,514,000 18,114,000 17,663,000 17,238,000 15,148,000 17,948,000 17,542,000 17,435,000 18,351,000 16,995,000 19,771,000 17,435,000 11,684,000 14,893,000 16,597,000 15,246,000 13,598,000 16,052,000 14,289,000 13,636,000 13,276,000 13,002,000 12,420,000 14,185,000 14,304,000 11,628,000 10,701,000 12,117,000 9,959,000 9,307,000 9,734,000 9,042,000 7,184,000 12,119,000 8,831,000 11,109,000 7,175,000 8,266,000 7,929,000 9,244,000 7,391,000 7,091,000 7,158,000 4,417,000 12,812,000 10,547,000 5,708,000 11,108,000 12,687,000 
      depreciation, depletion and amortization
    82,354,000 76,256,000 78,211,000 76,340,000 68,629,000 80,472,000 72,971,000 66,454,000 65,549,000 68,400,000 65,393,000 68,639,000 65,550,000 73,568,000 70,143,000 66,734,000 63,314,000 68,679,000 68,763,000 64,733,000 59,202,000 75,725,000 80,182,000 83,559,000 73,921,000 88,675,000 72,348,000 76,913,000 71,139,000 76,031,000 70,196,000 72,150,000 61,848,000 74,891,000 69,962,000 59,020,000 65,127,000 81,869,000 80,612,000 79,145,000 80,883,000 90,983,000 84,661,000 79,801,000 66,841,000 71,027,000 69,646,000 67,052,000 66,841,000 49,672,000 66,099,000 68,207,000 64,382,000 59,781,000 52,109,000 43,033,000 43,098,000 40,275,000 39,100,000 37,862,000 37,321,000 37,587,000 35,677,000 36,296,000 33,757,000 28,145,000 28,272,000 27,350,000 30,981,000 25,403,000 25,600,000 23,294,000 22,288,000 21,804,000 21,425,000 19,793,000 18,206,000 17,273,000 16,288,000 14,722,000 14,815,000 13,798,000 13,396,000 13,628,000 13,858,000 13,620,000 
      asset impairments
    37,820,000                        24,977,000                                                              
      total operating expenses
    494,156,000 438,170,000 466,403,000 458,745,000 446,190,000 574,745,000 512,502,000 475,930,000 491,402,000 509,718,000 471,083,000 457,907,000 455,596,000 483,488,000 450,330,000 441,229,000 373,028,000 412,332,000 348,711,000 307,436,000 282,294,000 320,930,000 316,306,000 290,302,000 483,443,000 417,357,000 414,300,000 448,648,000 421,917,000 482,564,000 423,133,000 427,977,000 296,896,000 405,831,000 388,361,000 319,960,000 353,548,000 403,097,000 455,643,000 348,789,000 357,982,000 535,940,000 459,228,000 480,190,000 412,525,000 456,645,000 441,815,000 445,528,000 412,525,000 328,242,000 439,227,000 438,002,000 435,739,000 441,103,000 424,403,000 351,603,000 384,750,000 375,632,000 350,767,000 319,489,000 323,987,000 329,126,000 307,372,000 297,811,000 249,909,000 255,124,000 255,282,000 249,110,000 279,308,000 250,624,000 236,692,000 238,266,000 210,292,000 218,711,000 214,381,000 209,656,000 214,995,000 203,859,000 177,917,000 189,695,000 181,515,000 171,935,000 167,214,000 155,943,000 164,039,000 132,596,000 
      income from operations
    21,861,000 97,343,000 104,964,000 88,718,000 94,278,000 15,347,000 101,067,000 117,420,000 160,295,000 115,704,000 165,438,000 183,929,000 207,326,000 217,239,000 178,090,000 175,272,000 87,835,000 61,140,000 66,728,000 55,007,000 36,328,000 45,583,000 39,345,000 -35,100,000 -132,680,000 35,981,000 50,426,000 68,406,000 104,685,000 49,276,000 74,625,000 88,160,000 160,226,000 77,380,000 64,828,000 78,760,000 107,532,000 124,303,000 96,431,000 90,361,000 54,847,000 6,212,000 107,217,000 124,530,000 129,513,000 134,148,000 127,513,000 153,034,000 129,513,000 81,471,750 98,002,000 115,569,000 112,316,000 70,338,000 105,461,000 91,983,000 89,859,000 112,115,000 107,179,000 103,769,000 94,626,000 81,322,000 92,971,000 82,850,000 48,274,000 44,520,000 48,622,000 80,190,000 31,639,000 35,166,000 39,532,000 45,322,000 42,136,000 41,815,000 48,928,000 47,415,000 48,198,000 40,881,000 43,387,000 48,625,000 45,817,000 35,108,000 41,502,000 39,684,000 10,619,000 25,665,000 
      yoy
    -76.81% 534.28% 3.86% -24.44% -41.18% -86.74% -38.91% -36.16% -22.68% -46.74% -7.10% 4.94% 136.04% 255.31% 166.89% 218.64% 141.78% 34.13% 69.60% -256.72% -127.38% 26.69% -21.97% -151.31% -226.74% -26.98% -32.43% -22.41% -34.66% -36.32% 15.11% 11.93% 49.00% -37.75% -32.77% -12.84% 96.06% 1901.01% -10.06% -27.44% -57.65% -95.37% -15.92% -18.63% 0.00% 64.66% 30.11% 32.42% 15.31% 15.83% -7.07% 25.64% 24.99% -37.26% -1.60% -11.36% -5.04% 37.87% 15.28% 25.25% 96.02% 82.66% 91.21% 3.32% 52.58% 26.60% 22.99% 76.93% -24.91% -15.90% -19.20% -4.41% -12.58% 2.28% 12.77% -2.49% 5.20% 16.44% 4.54% 22.53% 331.46% 36.79%     
      qoq
    -77.54% -7.26% 18.31% -5.90% 514.31% -84.82% -13.93% -26.75% 38.54% -30.06% -10.05% -11.29% -4.56% 21.98% 1.61% 99.55% 43.66% -8.37% 21.31% 51.42% -20.30% 15.85% -212.09% -73.55% -468.75% -28.65% -26.28% -34.66% 112.45% -33.97% -15.35% -44.98% 107.06% 19.36% -17.69% -26.76% -13.49% 28.90% 6.72% 64.75% 782.92% -94.21% -13.90% -3.85% -3.46% 5.20% -16.68% 18.16% 58.97% -16.87% -15.20% 2.90% 59.68% -33.30% 14.65% 2.36% -19.85% 4.61% 3.29% 9.66% 16.36% -12.53% 12.22% 71.62% 8.43% -8.44% -39.37% 153.45% -10.03% -11.04% -12.78% 7.56% 0.77% -14.54% 3.19% -1.62% 17.90% -5.78% -10.77% 6.13% 30.50% -15.41% 4.58% 273.71% -58.62%  
      operating margin %
    4.24% 18.18% 18.37% 16.21% 17.44% 2.60% 16.47% 19.79% 24.60% 18.50% 25.99% 28.66% 31.27% 31.00% 28.34% 28.43% 19.06% 12.91% 16.06% 15.18% 11.40% 12.44% 11.06% -13.75% -37.83% 7.94% 10.85% 13.23% 19.88% 9.27% 14.99% 17.08% 35.05% 16.01% 14.30% 19.75% 23.32% 23.57% 17.47% 20.58% 13.29% 1.15% 18.93% 20.59% 23.89% 22.71% 22.40% 25.57% 23.89% 19.89% 18.24% 20.88% 20.49% 13.75% 19.90% 20.74% 18.93% 22.99% 23.40% 24.52% 22.60% 19.81% 23.22% 21.76% 16.19% 14.86% 16.00% 24.35% 10.18% 12.30% 14.31% 15.98% 16.69% 16.05% 18.58% 18.44% 18.31% 16.70% 19.61% 20.40% 20.15% 16.96% 19.88% 20.29% 6.08% 16.22% 
      interest expense
    -11,744,000 -11,016,000 -11,033,000 -9,252,000 -8,434,000 -8,676,000 -9,527,000 -9,277,000 -7,749,000 -6,246,000 -7,736,000 -9,433,000 -12,676,000 -9,028,000 -9,245,000 -9,397,000 -9,662,000 -9,583,000 -9,408,000 -9,842,000 -10,396,000 -10,702,000 -11,186,000 -11,446,000 -12,279,000 -12,044,000 -11,698,000 -10,711,000 -11,422,000 -9,565,000 -9,840,000 -9,955,000 -10,858,000 -10,496,000 -10,773,000 -10,615,000 -7,516,000 -7,283,000 -8,001,000  -7,615,000 -7,527,000 -7,352,000 -8,306,000  -8,189,000 -8,584,000 -8,748,000 -8,063,000 -4,751,000 -6,168,000 -6,218,000 -6,618,000  -8,268,000 -5,912,000 5,294,000 -8,782,000 -9,156,000 -9,310,000 -7,395,000 -7,633,000 -7,439,000 -7,595,000 -7,383,000 -7,675,000 -7,808,000 -7,981,000 -7,773,000 -8,134,000 -3,250,000 -2,988,000 -2,959,000 -3,037,000 -2,842,000 -2,818,000 -2,719,000 -2,870,000 -3,439,000 2,245,000 2,131,000 2,841,000 3,370,000 3,474,000 3,612,000 3,672,000 
      interest income
    318,000 632,000 682,000 570,000 867,000 1,687,000 2,175,000 2,084,000 1,276,000 1,310,000 2,669,000 2,625,000 2,790,000 1,481,000 426,000 93,000 35,000 37,000 19,000 15,000 17,000 23,000 30,000 30,000 52,000 58,000 92,000 138,000 91,000 38,000 32,000 24,000 65,000 18,000 4,000 54,000 24,000 2,000 3,000 2,000 3,000 38,000 285,000 605,000 389,000 433,000 432,000 417,000 389,000 141,000 252,000 178,000 134,000 94,000 51,000 93,000 100,000 83,000 87,000 105,000 54,000 47,000 48,000 51,000 13,000 112,000 293,000 631,000 1,314,000 2,118,000 197,000 98,000 328,000 273,000 569,000 534,000 477,000 712,000 909,000        
      net income on equity method investments
    4,286,000 20,031,000 4,487,000                                                                                    
      change in fair value of digital assets
    -11,629,000 -15,375,000 3,739,000 12,856,000 -5,574,000 13,958,000 332,000 -3,748,000 11,853,000                                                                              
      other income
    10,340,000 -1,382,000 -135,000 17,000 611,000 183,000 -681,000 -958,000  391,000 223,000 177,000 -573,000 3,016,000 192,000 579,000 566,000           -13,000  -550,250 -812,000 -542,000 -847,000 539,000 774,000 389,000 1,298,000 180,000 293,000 161,000 91,000 205,000 455,000 177,000 306,000 388,000 549,000 323,000 306,000 249,750 372,000 353,000 274,000 254,000 2,384,000 215,000 -357,000 360,000 393,000 587,000 237,000 460,000 304,000 -150,000 693,000 126,000 202,000 226,000 177,000 231,000 250,000 217,000 196,000 121,000 167,000 901,000 252,000 216,000 197,000 271,000 267,000 90,000 119,000 105,000 223,000 202,000 
      income before income taxes
    13,432,000 87,196,000 102,704,000 66,373,000 79,742,000 20,570,000 91,039,000 105,369,000 164,516,000 113,475,000 158,752,000 175,304,000 196,919,000 213,766,000 171,571,000 168,132,000 79,657,000 52,230,000 57,958,000 44,170,000 24,814,000 35,024,000 27,528,000 -46,756,000 -144,812,000 25,596,000 39,251,000 58,370,000 283,498,000 51,092,000 73,974,000 86,380,000 156,046,000 74,575,000 61,431,000 63,356,000 105,038,000 119,704,000 89,831,000 82,717,000 47,299,000 21,479,000 83,384,000 94,864,000 115,904,000 123,678,000 119,978,000 137,653,000 115,904,000 73,222,500 86,468,000 104,183,000 102,239,000 60,408,000 95,198,000 82,601,000 91,492,000 103,776,000 98,503,000 95,151,000 87,522,000 74,196,000 85,884,000 75,156,000 41,597,000 37,083,000 41,309,000 73,066,000             46,084,000 35,198,000 41,621,000 39,789,000 10,842,000 25,867,000 
      income tax expense
    2,685,000 3,349,000 5,886,000 5,348,000 4,182,000 3,005,000 4,123,000 3,860,000 4,949,000 -3,361,000 3,401,000 3,999,000 4,241,000 -1,668,000 6,600,000 6,331,000 42,715,000 190,000 234,000 5,000  -76,000 293,000 -77,000  -341,000 50,000    5,000 3,000   5,000 4,000  9,000 7,000 6,000  4,000 12,000 7,000             -55,250 -317,000 325,000 -229,000 396,500 995,000 423,000 168,000         -125,000 550,000 670,000 574,000 785,000 352,000 547,000 759,000 426,000 717,000 829,000 710,000 628,000 546,000 
      net income
    10,747,000 83,847,000 96,818,000 61,025,000 75,560,000 17,565,000 86,916,000 101,509,000 159,567,000 116,836,000 155,351,000 171,305,000 192,678,000 215,434,000 164,971,000 161,801,000 36,942,000 52,040,000 57,724,000 44,165,000 24,826,000 35,100,000 27,235,000 -46,679,000 -144,707,000 25,937,000 39,201,000 58,184,000 283,604,000 51,068,000 73,969,000 86,377,000 156,056,000 74,372,000 61,426,000 63,352,000 105,050,000 119,695,000 89,824,000 82,711,000 47,308,000 21,475,000 83,372,000 94,857,000 115,904,000 123,678,000 119,978,000 137,653,000 115,904,000 99,293,000 87,186,000 104,074,000 102,937,000 60,510,000 95,455,000 82,968,000 91,702,000 104,093,000 98,178,000 95,380,000 87,367,000 73,201,000 85,461,000 74,988,000 41,700,000 36,497,000 41,510,000 72,640,000 25,180,000 29,136,000 36,697,000 43,163,000 39,928,000 38,685,000 46,237,000 45,540,000 45,488,000 38,640,000 40,550,000 48,249,000 45,658,000 34,481,000 40,792,000 39,079,000 10,214,000 25,321,000 
      yoy
    -85.78% 377.35% 11.39% -39.88% -52.65% -84.97% -44.05% -40.74% -17.18% -45.77% -5.83% 5.87% 421.57% 313.98% 185.79% 266.36% 48.80% 48.26% 111.95% -194.61% -117.16% 35.33% -30.52% -180.23% -151.02% -49.21% -47.00% -32.64% 81.73% -31.33% 20.42% 36.34% 48.55% -37.87% -31.62% -23.41% 122.06% 457.37% 7.74% -12.80% -59.18% -82.64% -30.51% -31.09% 0.00% 24.56% 37.61% 32.26% 12.60% 64.09% -8.66% 25.44% 12.25% -41.87% -2.77% -13.01% 4.96% 42.20% 14.88% 27.19% 109.51% 100.57% 105.88% 3.23% 65.61% 25.26% 13.12% 68.29% -36.94% -24.68% -20.63% -5.22% -12.22% 0.12% 14.02% -5.61% -0.37% 12.06% -0.59% 23.47% 347.01% 36.18%     
      qoq
    -87.18% -13.40% 58.65% -19.24% 330.17% -79.79% -14.38% -36.38% 36.57% -24.79% -9.31% -11.09% -10.56% 30.59% 1.96% 337.99% -29.01% -9.85% 30.70% 77.90% -29.27% 28.88% -158.35% -67.74% -657.92% -33.84% -32.63% -79.48% 455.35% -30.96% -14.36% -44.65% 109.83% 21.08% -3.04% -39.69% -12.24% 33.26% 8.60% 74.84% 120.29% -74.24% -12.11% -18.16% -6.29% 3.08% -12.84% 18.76% 16.73% 13.89% -16.23% 1.10% 70.12% -36.61% 15.05% -9.52% -11.90% 6.02% 2.93% 9.17% 19.35% -14.35% 13.97% 79.83% 14.26% -12.08% -42.86% 188.48% -13.58% -20.60% -14.98% 8.10% 3.21% -16.33% 1.53% 0.11% 17.72% -4.71% -15.96% 5.67% 32.41% -15.47% 4.38% 282.60% -59.66%  
      net income margin %
    2.08% 15.66% 16.94% 11.15% 13.98% 2.98% 14.17% 17.11% 24.48% 18.68% 24.41% 26.69% 29.06% 30.74% 26.25% 26.25% 8.02% 10.99% 13.89% 12.19% 7.79% 9.58% 7.66% -18.29% -41.25% 5.72% 8.44% 11.25% 53.86% 9.60% 14.86% 16.74% 34.14% 15.39% 13.55% 15.89% 22.78% 22.70% 16.27% 18.83% 11.46% 3.96% 14.72% 15.69% 21.38% 20.93% 21.07% 23.00% 21.38% 24.23% 16.23% 18.80% 18.78% 11.83% 18.02% 18.70% 19.32% 21.34% 21.44% 22.53% 20.87% 17.83% 21.35% 19.70% 13.98% 12.18% 13.66% 22.06% 8.10% 10.19% 13.29% 15.22% 15.82% 14.85% 17.56% 17.71% 17.28% 15.79% 18.32% 20.25% 20.08% 16.65% 19.54% 19.98% 5.85% 16.00% 
      less: net income attributable to noncontrolling interest
    -1,653,000 -1,181,000 -1,714,000 -1,615,000 -1,577,000 -1,235,000 -635,000 -1,322,000 -1,510,000 -1,392,000 -1,652,000 -1,515,000 -1,493,000 -981,000 -364,000 -323,000 -290,000 -214,000 -176,000  -78,000 -72,000 -36,000  -76,000 -105,000 -117,000 -114,000 -7,176,000 -295,000 -236,000 -187,000 -148,000 -175,000 -155,000                              -58,000 -53,000 -50,000 -129,000                   
      net income attributable to arlp
    9,094,000 82,666,000 95,104,000 59,410,000 73,983,000 16,330,000 86,281,000 100,187,000 158,057,000 115,444,000 153,699,000 169,790,000 191,185,000 214,453,000 164,607,000 161,478,000 36,652,000 51,826,000 57,548,000 44,035,000 24,748,000 35,028,000 27,199,000 -46,664,000 -144,783,000 25,832,000 39,084,000 58,070,000                                                           
      earnings per limited partner unit - basic and diluted
    70 640 730 460 570 130 660 770 1,210 880 1,180 1,300 1,450 1,630 1,250 1,230 280 390 440 340 190 270 210 -370 -1,140 210 300 440                                                           
      weighted-average number of units outstanding – basic and diluted
    128,538,284,000 128,387,910,000 128,428,024,000 128,428,024,000 128,265,338,000 127,964,744,000 128,061,981,000 128,061,981,000 127,670,897,000 127,180,312,000 127,125,437,000 127,183,439,000 127,289,340,000 127,195,219,000 127,195,219,000 127,195,219,000 127,195,219,000 127,195,219,000 127,195,219,000 127,195,219,000 127,195,219,000 127,164,659,000 127,195,219,000 127,195,219,000 127,072,308,000 128,116,670,000 128,391,191,000 128,391,191,000 128,149,791,000 130,758,169,000 131,169,538,000 131,279,910,000 130,819,217,000  114,237,979,000 74,597,036,000 74,503,298,000 74,354,162,000 74,375,025,000 74,375,025,000 74,291,114,000 74,174,389,000 74,188,784,000 74,188,784,000  74,044,417,000 74,060,634,000 74,060,634,000 36,997,433,000  36,963,054,000 36,963,054,000 36,919,002,000    36,769,126,000        36,655,555,000                      
      impairment loss on investments -
     -3,037,000  -25,000,000                                                                                   
      net loss on equity method investments
       -1,536,000 -2,006,000                                                                                  
      equity method investment loss
         -758,000 -2,327,000 -152,000                                                                               
      general partner
                1,384,000                                                                          
      limited partners
         16,330,000 86,281,000 100,187,000 158,057,000 115,444,000 153,699,000 169,790,000 189,801,000             25,832,000 39,084,000 58,070,000                                                           
      equity method investment income
            -553,000 2,316,000 -1,842,000 -1,994,000 52,000 1,058,000 2,108,000 1,585,000 883,000 1,024,000 703,000 341,000 62,000 257,000 62,000 137,000 451,000 670,000 659,000 550,000 324,000 7,634,000 5,980,000 4,839,000 3,736,000                                                      
      other expense
            -606,000         -658,000 -84,000 -1,351,000 -1,197,000 -364,000 -723,000 -377,000 -356,000 -92,500 -228,000  -129,000                                                          
      goodwill impairment
                            132,026,000                                                              
      less: net loss attributable to noncontrolling interest
                       -130,000    15,000            -122,000 -148,000 -100,000 -44,000 2,000 2,000  7,000 7,000                                           
      income tax benefit
                        -12,000    -105,000   186,000 -106,000    -10,000    -12,000    -9,000         -326,750 -718,000 109,000 -698,000  -257,000 -367,000         202,750 586,000 -201,000 426,000 153,000 92,000 -70,000 -655,000               
      equity securities income
                                12,906,000 4,129,000 3,989,000 3,854,000 3,724,000                                                      
      acquisition gain
                                177,043,000                                                          
      settlement gain
                                    -80,000,000                                                      
      asset impairment
                              15,190,000                                                            
      ​
                                                                                          
      royalty revenues
                                10,728,000                                                          
      other sales and operating revenues
                                9,620,000 10,526,000 8,731,000 12,680,000 13,727,000 11,512,000 10,018,000 9,130,000 12,740,000 12,811,000 10,565,000 11,199,000 4,979,000 7,365,000 9,584,000 29,652,000 10,488,000 23,070,000 14,970,000 17,561,000 10,488,000 5,216,500 7,228,000 7,026,000 6,612,000 6,813,000 11,918,000 7,402,000 5,884,000 6,618,000 6,757,000 6,273,000 5,846,000 6,682,000 5,617,000 6,797,000 5,434,000 6,353,000 3,490,000 6,150,000 6,524,000 4,751,000 3,650,000 3,810,000 6,455,000 8,976,000 10,339,000 9,522,000 9,974,000 4,972,000 6,835,000 10,074,000 7,024,000 8,304,000 8,205,000 7,158,000 6,018,000 5,406,000 
      net income attributable to alliance resource partners, l.p.
                                276,428,000 50,773,000 73,733,000 86,190,000 155,908,000 74,197,000 61,271,000 63,230,000 104,902,000 119,595,000 89,780,000 82,713,000 47,310,000 21,475,000 83,379,000 94,864,000 115,904,000                87,367,000 73,201,000 85,461,000 74,988,000 41,742,000 36,444,000 41,460,000 72,511,000                   
      general partner's interest in net income of arlp
                                                                                          
      limited partners' interest in net income of arlp
                                276,428,000 50,773,000 73,733,000 86,190,000 154,348,000 73,659,000 60,659,000 62,626,000 84,756,000 99,407,000 69,209,000                                                
      basic and diluted net income of arlp per limited partner unit
                                2,120 390 550 640 1,160 2,797,680 520 820 1,100 1,310 910 820 360 -180 610 760 1,100                    150 570 720 1,560                   
      debt extinguishment loss
                                     48,000  -8,148,000                                                   
      general partners' interest in net income of arlp
                                    1,560,000 538,000 612,000 604,000 20,146,000 20,188,000 20,571,000                                                
      distributions paid per limited partner unit
                                   515 510 1,878,625 500 437.5 437.5 437.5 437.5 437.5 675 675 675 662.5 598.75 637.5 625 611.25 1,197.5 847.5 1,152.5 1,130 1,107.5 1,062.5 1,025 990 955 922.5 890 860 830 810 790 775 760  730                    
      equity in income of affiliates
                                     2,603,500 3,798,000 2,916,000 3,700,000 2,502,000 1,105,000   -12,262,250 -17,221,000   -3,386,500 68,000                                        
      cost investment income
                                     3,600,000 2,800,000                                                    
      equity in loss of affiliates
                                            -27,000   -22,142,000    -7,373,000 -6,241,000 -3,889,000 -5,990,000 -5,699,000 -3,867,000  -4,430,000 -3,778,000                               
      general partners’ interest in net income of arlp
                                           20,430,000 19,722,000 34,603,000 37,311,000 37,541,000 33,368,000                19,757,000 18,416,000 17,957,000 17,042,000 15,826,000 15,192,000 14,764,000 14,857,000                   
      limited partners’ interest in net income of arlp
                                           62,283,000 27,588,000 -13,128,000 46,068,000 57,323,000 82,536,000                67,610,000 54,785,000 67,504,000 57,946,000 25,916,000 21,252,000 26,696,000 57,654,000                   
      asset impairment charge
                                             2,673,750 10,695,000           19,031,000                                 
      weighted-average number of units outstanding - basic and diluted
                                                73,994,866,000          36,874,949,000 36,826,980,000                               
      general partners’ interest in net income
                                                 25,866,250 35,316,000 34,781,000 33,368,000 22,853,500 31,052,000 30,592,000 29,770,000 27,263,000 27,165,000 25,587,000 16,672,000 23,474,000 22,209,000 21,005,000         13,366,000 11,512,000 11,663,000 9,156,000 7,198,000 8,175,000 8,326,000 7,611,000 7,609,000 6,051,000 6,090,000 4,844,000 4,792,000 2,908,000 3,025,000 1,685,000 1,089,000 843,000 
      limited partners’ interest in net income
                                                 67,517,500 84,662,000 102,872,000 82,536,000 69,358,000 56,134,000 73,482,000 73,167,000 33,247,000 68,290,000 57,381,000 57,740,750 80,619,000 75,969,000 74,375,000         11,814,000 17,624,000 25,034,000 34,007,000 32,730,000 30,510,000 37,911,000 37,929,000 37,879,000 32,589,000 34,460,000 43,405,000 40,866,000 31,573,000 37,767,000 37,394,000 9,125,000 24,478,000 
      basic and diluted net income per limited partner unit
                                                 897.5 1,130 1,370 2,200 1,850 1,500 1,960 1,950 890 1,830 1,540                               
      weighted-average number of units outstanding — basic and diluted
                                                         36,874,949,000                                 
      basic net income per limited partner unit
                                                            1,547.5 2,160 2,040 1,990         380 480 670 760 770 700 800 790 800 700 730 830 800 650 1,470 2,060 510 1,370 
      diluted net income per limited partner unit
                                                            1,547.5 2,160 2,040 1,990         380 480 670 760 770 700 800 790 790 690 720 830 790 630 1,440 2,020 500 1,330 
      weighted-average number of units outstanding - basic
                                                             36,775,741,000 36,775,741,000 36,748,915,000  36,716,855,000 36,716,855,000 36,690,803,000                       
      weighted-average number of units outstanding - diluted
                                                             36,775,741,000 36,775,741,000 36,748,915,000  36,716,855,000 36,716,855,000 36,690,803,000                       
      basic net income of arlp per limited partner unit
                                                                1,820 1,480 1,820 1,560                       
      diluted net income of arlp per limited partner unit
                                                                1,820 1,480 1,820 1,560                       
      gain from sale of coal reserves
                                                                                          
      net gain from insurance settlement and other
                                                                          -2,790,000                
      basic and diluted weighted-average number of units outstanding
                                                                     36,661,029,000                     
      weighted-average number of units outstanding-basic
                                                                      36,993,874,000 36,999,057,000  36,613,458,000 36,613,458,000 36,578,263,000  36,550,659,000 36,550,659,000 36,540,485,000  36,426,306,000 36,426,306,000 36,426,306,000  36,260,880,000 18,130,440,000 18,130,440,000  17,903,793,000 
      weighted-average number of units outstanding-diluted
                                                                      36,993,874,000 36,999,057,000  36,761,292,000 36,747,965,000 36,753,837,000  36,801,186,000 36,794,912,000 36,765,573,000  36,824,613,000 36,797,407,000 36,765,016,000  36,997,338,000 18,497,586,000 18,496,414,000  18,438,758,000 
      distributions paid per common unit
                                                                       715 700 660 585 585 560 560 540 540           
      outside purchases
                                                                        3,612,500 6,995,000 4,552,000 2,903,000 4,359,000 3,737,000 7,607,000 6,266,000 4,962,000 6,020,000 4,705,000 3,526,000 4,132,000 3,472,000 3,392,000 4,117,000 5,639,000 2,410,000 
      gain on sale of coal reserves
                                                                        -1,289,750  -5,159,000                
      income before income taxes and minority interest
                                                                        27,189,750 29,381,000 36,729,000 42,649,000               
      income before minority interest
                                                                        27,348,000 29,289,000 36,799,000 43,304,000               
      minority interest
                                                                        -24,000 -153,000 -102,000 -141,000 102,000 63,000 85,000 82,000 65,000 53,000 43,000        
      net gain from insurance settlement
                                                                              -11,491,000           -15,217,000 
      income before income taxes, cumulative effect of accounting change and minority interest
                                                                            39,701,000 39,172,000 46,822,000 46,032,000 32,222,250 38,939,000 41,054,000        
      income before cumulative effect of accounting change and minority interest
                                                                            39,826,000 38,622,000 46,152,000 45,458,000 45,423,000 38,587,000 40,507,000        
      cumulative effect of accounting change
                                                                                   112,000       
      distributions paid per common and subordinated unit
                                                                                500 500 460 460 417.5 412.5 750    
      income before income taxes and cumulative effect of accounting change
                                                                                   48,896,000       
      income before cumulative effect of accounting change
                                                                                   48,137,000       
      pro forma net income per limited partner unit assuming two-for-one unit split on september 15, 2005:
                                                                                          
      pro forma basic net income per limited partner unit
                                                                                      730    
      pro forma diluted net income per limited partner unit
                                                                                      720    
      distribution paid per common and subordinated unit
                                                                                       750 459.375 650 
      allocation of net income:
                                                                                          
      portion applicable to warrior coal loss prior to its acquisition on february 14, 2003
                                                                                          
      portion applicable to partners’ interest
                                                                                        10,214,000 25,321,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 
                                                                                       
        assets
                                                                                       
        current assets:
                                                                                       
        cash and cash equivalents
      94,481,000 55,004,000 81,313,000 136,962,000 195,429,000 203,703,000 133,957,000 59,813,000 197,243,000 284,899,000 271,250,000 296,023,000 278,471,000 106,089,000 128,191,000 122,403,000 104,611,000 37,749,000 34,443,000 55,574,000 34,135,000 35,106,000 29,623,000 36,482,000 31,817,000 55,215,000 30,192,000 244,150,000 38,355,000 51,225,000 39,457,000 87,360,000 39,782,000 21,372,000 50,372,000 29,988,000 33,431,000 35,936,000 43,279,000 26,395,000 24,601,000 14,829,000 19,435,000 14,396,000 93,654,000 18,871,000 8,794,000 28,677,000 2,061,000 11,364,000 188,959,000 273,528,000 307,177,000 347,111,000 338,976,000 339,562,000 20,294,000 9,669,000 34,470,000 21,556,000 91,634,000 157,413,000 211,968,000 244,875,000 269,733,000 361,374,000 15,896,000 1,118,000 19,105,000 17,652,000 40,792,000 36,789,000 36,447,000 48,600,000 43,450,000 32,054,000 38,770,000 55,157,000 28,157,000 31,177,000 72,843,000 
        trade receivables
      169,883,000 177,659,000 177,467,000 166,829,000 198,647,000 226,436,000 272,191,000 282,622,000 220,138,000 213,754,000 266,334,000 238,610,000 190,435,000 230,577,000 156,698,000 129,531,000 142,007,000 132,033,000 116,333,000 104,579,000 120,875,000 104,361,000 137,261,000 161,679,000 182,094,000 178,128,000 194,538,000 174,914,000 149,980,000 178,675,000 118,801,000 120,290,000 152,032,000 146,209,000 151,824,000 119,662,000 122,875,000 171,402,000 191,505,000 178,477,000 184,187,000 175,770,000 174,753,000 199,554,000 153,662,000 169,916,000 164,190,000 168,270,000 152,826,000 164,459,000 119,608,000 128,643,000 144,201,000 145,826,000 123,777,000 112,942,000 128,038,000 121,877,000 123,731,000 91,223,000 93,532,000 88,439,000 114,484,000 87,922,000 103,440,000 81,028,000 105,461,000 92,667,000 89,300,000 86,511,000 90,997,000 96,558,000 94,735,000 77,706,000 94,537,000 94,495,000 81,448,000 71,686,000 75,577,000  57,374,000 
        other receivables
      2,272,000 4,598,000 10,158,000 10,158,000 10,015,000 9,677,000 9,208,000 9,678,000 13,854,000 11,672,000 9,892,000 8,601,000 6,873,000 431,000 440,000 680,000 1,064,000 2,067,000 2,496,000 3,481,000 1,919,000 281,000 322,000 256,000 524,000 628,000 2,108,000 395,000 640,000 443,000 241,000 295,000 279,000 492,000 776,000 848,000 696,000 628,000 635,000 485,000 1,025,000 857,000 1,104,000 294,000 776,000 1,121,000 1,077,000 1,097,000 1,432,000 1,247,000 564,000 3,525,000 2,336,000 1,314,000 1,366,000 2,537,000 2,628,000 2,692,000 2,906,000 3,159,000 3,662,000 4,477,000 4,977,000 6,018,000 5,524,000 5,180,000 2,715,000 3,399,000 2,256,000 3,236,000 2,460,000 3,378,000 3,284,000 4,642,000 2,755,000 2,330,000 4,505,000 9,837,000 11,659,000 1,637,000  
        inventories
      130,636,000 138,712,000 138,786,000 120,661,000 177,503,000 196,225,000 162,197,000 127,556,000 135,868,000 128,940,000 108,648,000 77,326,000 98,765,000 109,676,000 95,745,000 60,302,000 65,484,000 74,505,000 84,981,000 56,407,000 74,879,000 88,393,000 124,516,000 101,305,000 114,100,000 84,661,000 85,440,000 59,206,000 66,907,000 68,411,000 115,017,000 77,871,000 61,051,000 89,904,000 159,868,000 155,344,000 121,081,000 123,608,000 88,272,000 114,643,000 83,155,000 67,896,000 54,491,000 68,751,000 44,214,000 69,331,000 63,886,000 50,628,000 63,923,000 68,652,000 73,503,000 33,837,000 45,835,000 52,081,000 55,631,000 31,548,000 41,125,000 52,931,000 61,274,000 64,357,000 49,239,000 49,837,000 41,999,000 26,510,000 31,769,000 28,483,000 27,904,000 26,100,000 24,998,000 27,105,000 33,620,000 20,224,000 35,787,000 35,902,000 23,685,000 17,270,000 19,645,000 20,161,000 18,645,000 13,839,000 13,983,000 
        advance royalties
      9,537,000 9,537,000 10,312,000 11,422,000 6,170,000 6,173,000 6,173,000 7,780,000 5,824,000 5,824,000 5,824,000 7,556,000 3,458,000 3,458,000 4,385,000 4,958,000 2,063,000 2,063,000 3,293,000 4,168,000 344,000 344,000 1,085,000 1,844,000 1,229,000 1,274,000 1,630,000 1,274,000 1,510,000 1,510,000 1,207,000 1,207,000 1,207,000 2,016,000 4,719,000 6,770,000 6,820,000 7,663,000 9,440,000 9,440,000 9,416,000 10,779,000 11,072,000 11,454,000 11,454,000 11,280,000 11,872,000 11,492,000 9,038,000 7,560,000 7,559,000 7,560,000 4,812,000 4,812,000 4,812,000 4,812,000 1,952,000 3,629,000 3,629,000 3,629,000 3,200,000 3,200,000 3,200,000 3,200,000 4,452,000 4,452,000 4,452,000 4,452,000 3,316,000 3,316,000 3,309,000 4,629,000 2,952,000 2,952,000 2,952,000 2,952,000 2,481,000 2,493,000 3,117,000 3,117,000 1,108,000 
        digital assets
      64,809,000 58,030,000 42,323,000 45,037,000 28,959,000 28,335,000 30,325,000                                                                           
        prepaid expenses and other assets
      14,494,000 17,586,000 16,187,000 22,161,000 9,785,000 14,492,000 16,891,000 28,672,000 14,962,000 18,842,000 19,330,000 26,675,000 14,733,000 15,853,000 19,238,000 21,354,000 10,931,000 12,536,000 15,268,000 21,565,000 10,984,000 12,697,000 14,685,000 18,019,000 11,600,000 11,592,000 15,811,000 20,730,000 11,436,000 15,908,000 15,465,000 18,072,000 22,050,000 18,106,000 16,762,000 23,754,000 29,812,000 17,740,000 21,774,000 20,398,000 31,283,000 2,779,000 5,544,000 9,954,000 16,186,000 3,680,000 9,837,000 14,874,000 10,185,000 6,493,000 8,913,000 11,945,000 1,582,000 4,100,000 7,231,000 10,024,000 669,000 3,560,000 5,862,000 8,801,000 802,000 3,815,000 6,282,000 10,070,000 1,458,000 3,739,000 6,072,000 9,099,000 1,012,000 3,963,000 5,656,000 8,225,000 855,000 3,801,000 6,088,000 8,934,000 464,000 1,881,000 3,180,000 4,345,000 5,684,000 
        total current assets
      486,112,000 461,126,000 476,546,000 513,230,000 626,508,000 685,041,000 630,942,000 516,121,000 587,889,000 663,931,000 681,278,000 654,791,000 592,735,000 466,084,000 404,697,000 339,228,000 326,160,000 260,953,000 256,814,000 245,774,000 243,136,000 241,182,000 307,492,000 319,585,000 341,364,000 331,498,000 329,735,000 500,686,000 268,828,000 316,191,000 290,607,000 305,372,000 276,672,000 278,297,000 384,759,000 336,688,000 314,905,000 357,145,000 378,140,000 357,487,000 340,888,000 275,442,000 269,533,000 306,900,000 321,910,000 274,939,000 260,298,000 275,195,000 239,656,000 260,030,000 402,267,000 464,154,000 506,059,000 555,508,000 531,945,000 503,337,000 196,437,000 196,161,000 233,778,000 192,808,000 247,107,000 312,420,000 383,033,000 378,595,000 416,544,000 484,463,000 162,624,000 136,974,000 140,110,000 141,900,000 176,951,000 170,088,000 174,271,000 198,195,000 212,864,000 207,277,000 196,785,000 210,551,000 189,647,000 160,479,000 166,006,000 
        property, plant and equipment:
                                                                                       
        property, plant and equipment
      4,511,236,000 4,516,603,000 4,515,202,000 4,435,535,000                                                                              
        less accumulated depreciation, depletion and amortization
      -2,347,584,000 -2,341,659,000 -2,334,891,000 -2,269,265,000 -2,290,205,000 -2,240,277,000 -2,204,392,000 -2,149,881,000 -2,152,278,000 -2,112,693,000 -2,108,819,000 -2,040,468,000 -2,034,345,000 -1,970,964,000 -1,975,381,000 -1,909,669,000 -1,873,987,000 -1,820,903,000 -1,807,897,000 -1,753,845,000 -1,758,646,000 -1,700,741,000 -1,662,335,000 -1,675,022,000 -1,647,933,000 -1,584,513,000 -1,579,588,000 -1,513,450,000 -1,581,666,000 -1,547,224,000 -1,400,169,000 -1,388,753,000 -1,335,145,000 -1,352,117,000  -1,309,334,000 -1,243,985,000 -1,336,176,000 -1,270,593,000 -1,219,592,000 -1,150,414,000 -1,126,199,000 -1,067,836,000 -1,062,256,000 -1,031,493,000 -990,133,000 -938,097,000 -886,497,000  -797,909,000 -826,137,000 -793,200,000 -750,586,000 -711,207,000 -673,275,000 -648,883,000 -642,585,000 -607,406,000 -585,455,000 -556,370,000 -532,741,000 -506,125,000 -486,129,000 -468,784,000 -468,621,000 -453,337,000 -448,789,000 -427,572,000 -406,954,000 -387,923,000 -399,316,000 -383,284,000 -374,839,000 -357,372,000 -344,819,000 -330,672,000 -319,248,000 -310,734,000 -300,622,000 -292,900,000 -280,471,000 
        total property, plant and equipment
      2,163,652,000 2,174,944,000 2,180,311,000 2,166,270,000 2,161,591,000 2,110,112,000 2,079,659,000 2,022,663,000 1,981,460,000 1,928,179,000 1,909,252,000 1,816,922,000 1,731,055,000 1,685,871,000 1,691,606,000 1,698,678,000 1,696,214,000 1,727,954,000 1,767,223,000 1,800,245,000 1,860,922,000 1,914,980,000 1,958,727,000 2,008,986,000 2,025,503,000 1,911,631,000 1,894,985,000 1,412,358,000 1,462,864,000 1,466,122,000 1,526,006,000 1,551,685,000 1,585,843,000 1,642,303,000 1,694,840,000 1,755,821,000 1,800,275,000 1,879,390,000 1,656,522,000 1,670,286,000 1,665,206,000 1,645,465,000 1,635,285,000 1,619,150,000 1,614,379,000 1,586,388,000 1,573,651,000 1,548,207,000 1,494,174,000 1,476,895,000 1,261,859,000 1,181,320,000 1,088,074,000 1,019,461,000 978,922,000 949,247,000 924,280,000 902,648,000 859,912,000 822,544,000 784,357,000 735,687,000 674,798,000 616,430,000 592,683,000 550,675,000 541,802,000 520,638,000 515,205,000 511,085,000 447,619,000  401,461,000 368,817,000 334,409,000 304,414,000 278,852,000 254,030,000 237,653,000 233,568,000 230,637,000 
        other assets:
                                                                                       
        equity method investments
      54,582,000 29,628,000 33,555,000 35,532,000 36,902,000 45,088,000 45,693,000 46,503,000 44,966,000 46,789,000 48,949,000 49,371,000 46,158,000 46,388,000 26,194,000 26,325,000 26,180,000 26,274,000 26,907,000 27,268,000 27,415,000 27,705,000 28,114,000 28,529,000 28,721,000 28,672,000 28,770,000 161,309,000 162,097,000 158,370,000                                                    
        equity securities
      67,541,000 67,541,000 92,541,000 92,541,000 92,541,000 92,541,000 92,541,000 92,541,000 92,541,000 42,000,000 42,000,000 42,000,000 32,639,000 32,639,000              122,094,000 117,965,000 113,976,000                                                    
        debt securities
      13,193,000 13,046,000                                                                                
        operating lease right-of-use assets
      17,631,000 16,045,000 16,626,000 15,871,000 16,092,000 16,694,000 16,357,000 16,569,000 17,249,000 17,621,000 15,944,000 14,950,000 15,395,000 14,731,000 15,165,000 14,158,000 14,338,000 14,713,000 15,100,000 15,004,000 15,388,000 15,821,000 16,334,000 17,660,000 18,990,000 20,421,000 22,508,000                                                       
        other long-term assets
      29,842,000 29,721,000 25,383,000 22,022,000 22,244,000 25,952,000 21,662,000 22,904,000 16,138,000 14,947,000 14,995,000 15,726,000 11,845,000 12,305,000 12,109,000 13,120,000 16,676,000 16,159,000 15,662,000 16,561,000 20,256,000 21,493,000 21,755,000 23,478,000 24,249,000 21,189,000 19,234,000 18,979,000 18,178,000 23,873,000 34,077,000 23,953,000 25,939,000 28,353,000 22,931,000 22,694,000 25,747,000 31,952,000 37,432,000 31,827,000 27,412,000 23,503,000 24,287,000 23,680,000 24,826,000 28,945,000 29,359,000 30,794,000 31,138,000 27,200,000 16,479,000 18,010,000 17,173,000 20,357,000 21,075,000 21,255,000 25,857,000 26,925,000 9,509,000 9,246,000 12,346,000 10,517,000 10,343,000 11,787,000 15,871,000 16,644,000 16,626,000 18,137,000 14,695,000 14,740,000 8,207,000 6,032,000 5,801,000 5,085,000 4,521,000 4,668,000 5,967,000 5,354,000 4,017,000 4,277,000 4,066,000 
        total other assets
      258,577,000 233,376,000 245,878,000 236,230,000 244,074,000 257,793,000 255,186,000 249,642,000 244,692,000 195,833,000 197,219,000 189,760,000 180,591,000 181,236,000 129,244,000 121,500,000 126,601,000 126,606,000 127,143,000 119,997,000 127,282,000 129,466,000 130,202,000 258,123,000 260,222,000 259,592,000 260,410,000 481,704,000 485,681,000 483,521,000 360,805,000 347,259,000 330,527,000 323,675,000 288,257,000 275,993,000 247,950,000 268,858,000 295,267,000 303,153,000 278,965,000 252,695,000 231,175,000 209,908,000 185,609,000 185,321,000 186,114,000 176,136,000 132,439,000 121,928,000 89,327,000 86,044,000 85,032,000 51,041,000 51,539,000 48,694,000 55,389,000 54,693,000 38,657,000 36,048,000 38,974,000 37,197,000 37,229,000 35,615,000 37,686,000 38,344,000 38,318,000 44,111,000 42,003,000 42,909,000 32,920,000 28,167,000 28,643,000 27,990,000 22,883,000 20,996,000 23,080,000 24,131,000 20,099,000 18,737,000 21,299,000 
        total assets
      2,908,341,000 2,869,446,000 2,902,735,000 2,915,730,000 3,032,173,000 3,052,946,000 2,965,787,000 2,788,426,000 2,814,041,000 2,787,943,000 2,787,749,000 2,661,473,000 2,504,381,000 2,333,191,000 2,225,547,000 2,159,406,000 2,148,975,000 2,115,513,000 2,151,180,000 2,166,016,000 2,231,340,000 2,285,628,000 2,396,421,000 2,586,694,000 2,627,089,000 2,502,721,000 2,485,130,000 2,394,748,000 2,217,373,000 2,265,834,000 2,177,418,000 2,204,316,000 2,193,042,000 2,244,275,000 2,367,856,000 2,368,502,000 2,363,130,000 2,505,393,000 2,329,929,000 2,330,926,000 2,285,059,000 2,173,602,000 2,135,993,000 2,135,958,000 2,121,898,000 2,046,648,000 2,020,063,000 1,999,538,000 1,866,269,000 1,858,853,000 1,753,453,000 1,731,518,000 1,679,165,000 1,626,010,000 1,562,406,000 1,501,278,000 1,176,106,000 1,153,502,000 1,132,347,000 1,051,400,000 1,070,438,000 1,085,304,000 1,095,060,000 1,030,640,000 1,046,913,000 1,073,482,000 742,744,000 701,723,000 697,318,000 695,894,000 657,490,000 634,962,000 604,375,000 595,002,000 570,156,000 532,687,000 498,717,000 488,712,000 447,399,000 412,784,000 417,942,000 
        ​
      2,025,000 2,025,000 2,025,000  2,024,000 2,024,000 2,024,000  2,023,000 2,023,000 2,023,000  2,022,000 2,022,000 2,022,000  2,021,000 2,021,000 2,021,000                                                               
        liabilities and partners' capital
                                                                                       
        current liabilities:
                                                                                       
        accounts payable
      103,757,000 98,248,000 104,528,000 98,188,000 115,719,000 131,547,000 107,600,000 108,269,000 116,819,000 109,093,000 115,106,000 95,122,000 97,032,000 90,408,000 92,904,000 69,586,000 70,425,000 55,840,000 60,140,000 47,511,000 54,789,000 51,184,000 63,107,000 80,566,000 91,445,000 108,116,000 112,684,000 96,397,000 102,944,000 89,698,000 68,770,000 65,583,000 64,055,000 63,465,000 58,471,000 63,132,000 83,597,000 100,456,000 72,552,000 95,236,000 85,843,000 98,884,000 89,871,000 83,860,000 79,371,000 107,132,000 95,509,000 97,282,000 113,316,000 116,780,000 82,658,000 96,869,000 86,425,000 79,683,000 68,218,000 63,339,000 69,710,000 66,943,000 73,456,000 62,821,000 65,534,000 71,931,000 86,613,000 63,236,000 70,023,000 54,179,000 59,901,000 46,392,000 54,730,000 53,559,000 60,264,000 57,879,000 61,970,000 53,806,000 60,738,000 53,473,000 45,860,000 43,950,000 40,790,000 30,961,000 37,646,000 
        accrued taxes other than income taxes
      24,566,000 24,596,000 21,569,000 21,051,000 21,336,000 22,291,000 21,367,000 21,007,000 22,516,000 22,852,000 23,554,000 22,967,000 25,133,000 13,972,000 15,209,000 17,787,000 23,797,000 21,019,000 22,563,000 25,054,000 17,397,000 19,783,000 21,598,000 15,768,000 17,611,000 17,507,000 18,484,000 16,762,000 19,252,000 20,574,000 20,132,000 18,459,000 18,273,000 22,007,000 20,447,000 16,602,000 15,621,000 21,032,000 23,097,000 21,289,000 19,426,000 20,355,000 23,318,000 25,060,000 19,061,000 22,615,000 23,848,000 25,048,000 19,126,000 21,219,000 19,233,000 15,873,000 18,073,000 18,754,000 17,065,000 13,901,000 15,368,000 15,683,000 14,662,000 10,777,000 11,837,000 12,009,000 12,983,000 11,195,000 10,189,000 12,376,000 12,481,000 11,091,000 12,955,000 14,880,000 15,520,000 14,618,000 13,458,000 13,806,000 14,603,000 13,177,000 11,507,000 12,617,000 12,605,000 10,742,000 10,843,000 
        accrued payroll and related expenses
      36,318,000 29,937,000 26,327,000 26,946,000 32,733,000 31,569,000 27,301,000 29,884,000 40,803,000 35,220,000 33,772,000 39,623,000 42,966,000 38,796,000 31,178,000 36,805,000 39,949,000 38,951,000 31,984,000 28,524,000 41,667,000 39,234,000 35,718,000 36,575,000 48,535,000 42,484,000 38,896,000 43,113,000 45,874,000 40,935,000 37,405,000 34,189,000 41,576,000 43,396,000 34,608,000 33,459,000 37,031,000 47,514,000 38,207,000 38,758,000 57,656,000 50,231,000 43,307,000 43,116,000 47,105,000 51,603,000 44,000,000 39,038,000 42,233,000 37,049,000 33,626,000 35,876,000 37,405,000 30,848,000 28,372,000 30,773,000 28,974,000 27,438,000 26,104,000 22,101,000 23,709,000 19,517,000 20,441,000 20,555,000 21,005,000 17,376,000 17,375,000 15,180,000 17,405,000 13,585,000 14,940,000 14,698,000 16,267,000 12,810,000 14,550,000 12,466,000 14,661,000 13,188,000 14,353,000 11,730,000 16,065,000 
        accrued interest
      10,660,000 1,853,000 10,350,000 1,821,000 10,637,000 1,821,000 9,067,000 3,558,000 10,631,000 4,312,000 13,002,000 5,000,000 12,500,000 5,000,000 12,500,000 5,000,000 12,500,000 5,000,000 12,572,000 5,132,000 12,691,000 5,376,000 13,037,000 5,664,000 13,175,000 5,154,000 12,509,000 5,022,000 12,499,000 4,999,000 5,583,000 2,460,000 316,000 2,607,000 282,000 2,801,000 306,000 3,330,000 317,000 6,028,000 318,000 6,021,000 906,000 6,302,000 996,000 6,185,000 1,455,000 6,398,000 6,320,000 1,944,000 6,625,000 2,195,000 6,644,000 3,403,000 7,673,000 2,491,000 6,543,000 2,920,000 6,725,000 2,918,000 6,703,000 3,451,000 6,864,000 3,454,000 6,866,000 4,017,000 1,216,000 3,826,000 1,162,000 4,362,000 1,282,000 4,264,000 1,263,000 4,787,000 1,421,000 4,855,000 1,421,000 5,402,000 1,662,000 5,402,000 1,662,000 
        workers' compensation and pneumoconiosis benefits
      14,815,000 14,837,000 14,838,000 14,838,000 15,790,000 15,856,000 15,913,000 15,913,000 14,052,000 14,135,000 14,098,000 14,099,000 12,296,000 12,276,000 12,293,000 12,293,000 10,635,000 10,618,000 10,646,000 10,646,000 11,162,000 11,175,000 11,175,000 11,175,000 11,181,000 11,270,000 11,268,000 11,137,000 10,685,000 10,766,000 9,731,000 9,826,000 9,897,000 8,701,000                                                
        other current liabilities
      42,131,000 42,298,000 46,510,000 48,023,000 46,662,000 46,061,000 46,295,000 28,498,000 30,715,000 24,377,000 51,706,000 53,790,000 45,375,000 18,511,000 19,815,000 17,375,000 14,379,000 14,119,000 15,153,000 21,919,000 23,803,000 18,947,000 21,687,000 21,062,000 22,139,000 18,734,000 17,429,000 18,902,000 15,938,000 15,756,000 15,543,000 14,509,000 14,778,000 15,420,000 14,613,000 19,534,000 18,929,000 27,003,000 15,437,000 13,153,000 17,109,000 15,436,000 13,622,000 17,130,000 18,625,000 21,763,000 25,441,000 23,603,000 22,900,000 22,352,000 18,830,000 15,326,000 18,529,000 17,893,000 14,950,000 16,715,000 16,477,000 13,620,000 12,382,000 11,062,000 12,424,000 13,961,000 13,730,000 11,911,000 9,788,000 9,110,000 8,309,000 6,754,000 9,774,000 7,494,000 12,166,000 13,786,000 12,179,000 9,546,000 4,952,000 5,120,000 8,298,000 11,452,000 9,949,000 12,051,000 6,516,000 
        current maturities, long-term debt
      23,361,000 23,081,000 22,807,000 22,275,000 22,275,000 22,029,000 76,422,000 20,338,000 38,603,000 37,771,000 40,554,000 24,970,000 15,133,000 14,942,000 15,359,000 16,071,000 16,770,000 55,558,000 55,630,000 73,199,000 89,271,000 55,746,000 71,727,000 13,157,000 69,694,000 78,144,000 90,000,000 92,000,000  61,500,000 75,700,000 149,953,000 149,874,000 509,155,000 686,356,000 240,436,000 239,350,000 142,159,000 68,750,000 230,000,000 230,000,000 230,000,000 248,000,000 43,000,000 36,750,000 80,500,000 24,250,000 18,000,000 18,000,000 18,000,000 33,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,585,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000 
        total current liabilities
      255,608,000 234,850,000 246,929,000 233,142,000 265,152,000 271,174,000 303,965,000 227,467,000 274,139,000 247,760,000 291,792,000 255,571,000 253,494,000 196,548,000 202,056,000 177,577,000 191,085,000 203,730,000 211,309,000 214,605,000 253,375,000 204,098,000 247,356,000 195,586,000 309,718,000 325,177,000 349,141,000 330,871,000 238,870,000 275,899,000 261,447,000 323,034,000 326,871,000 691,830,000 851,235,000 404,996,000 423,415,000 351,890,000 228,930,000 414,870,000 420,895,000 431,886,000 429,778,000 229,214,000 212,551,000 300,883,000 225,508,000 220,313,000 232,797,000 228,414,000 205,160,000 194,820,000 194,835,000 178,176,000 164,080,000 154,605,000 165,853,000 155,391,000 162,052,000 137,916,000 148,279,000 148,680,000 168,497,000 138,785,000 144,267,000 123,461,000 125,888,000 111,087,000 123,180,000 121,175,000 131,248,000 132,702,000 137,786,000 131,186,000 132,636,000 131,214,000 122,809,000 123,520,000 113,830,000 106,305,000 120,747,000 
        long-term liabilities:
                                                                                       
        long-term debt, excluding current maturities
      433,117,000 439,023,000 444,858,000 450,885,000 456,316,000 461,995,000 354,619,000 316,821,000 321,208,000 379,427,000 418,329,000 397,203,000 409,944,000 412,991,000 415,990,000 418,942,000 425,075,000 426,643,000 485,071,000 519,421,000 571,019,000 704,661,000 731,004,000 768,194,000 637,090,000 467,141,000 414,771,000 564,004,000 388,237,000 387,470,000 385,886,000 368,498,000 399,446,000 144,949,000 144,932,000 644,736,000 580,000,000 810,889,000 788,000,000 615,000,000 591,250,000 527,500,000 533,750,000 790,000,000 831,250,000 687,500,000 753,750,000 768,000,000 693,000,000 691,000,000 671,000,000 686,000,000 686,000,000 704,000,000 704,000,000 704,000,000 404,000,000 427,000,000 445,250,000 422,000,000 422,000,000 440,000,000 440,000,000 440,000,000 440,000,000 479,500,000 158,000,000 136,000,000 135,000,000 149,000,000 126,000,000 126,000,000 126,000,000 144,000,000 144,000,000 144,000,000 144,000,000 162,000,000 162,000,000 162,000,000 162,000,000 
        pneumoconiosis benefits
      124,794,000 123,228,000 121,598,000 120,152,000 131,727,000 130,187,000 128,809,000 127,249,000 102,193,000 101,578,000 100,825,000 100,089,000 109,687,000 108,819,000 108,491,000 107,560,000 107,099,000 106,403,000 105,650,000 105,068,000 96,906,000 96,035,000 95,089,000 94,389,000 74,188,000 73,607,000 72,922,000 68,828,000 73,211,000 72,896,000 63,662,000 63,204,000 62,822,000 62,529,000 61,960,000 61,079,000 60,077,000 58,858,000 57,235,000 56,304,000 55,278,000 52,131,000 50,924,000 49,698,000 48,455,000 63,921,000 62,625,000 61,306,000 60,987,000 59,592,000 56,064,000 54,775,000 49,106,000 47,753,000 46,353,000 45,039,000 35,547,000 36,224,000 35,261,000 34,344,000 33,559,000 32,819,000 32,096,000 31,436,000 30,884,000 30,403,000 29,936,000 29,392,000 28,691,000 27,884,000 27,160,000 26,315,000 25,546,000 24,750,000 24,002,000  22,278,000 21,405,000  19,833,000  
        workers' compensation
      38,943,000 38,542,000 37,818,000 37,177,000 36,981,000 36,532,000 36,843,000 37,257,000 41,303,000 41,170,000 40,117,000 39,551,000 39,031,000 38,701,000 44,669,000 44,911,000 43,818,000 44,868,000 47,015,000 47,521,000 46,404,000 46,597,000 44,999,000 45,503,000 45,645,000 45,422,000 40,428,000 41,669,000 45,552,000 45,159,000 52,416,000 39,940,000 40,400,000 50,051,000                                                
        asset retirement obligations
      157,753,000 157,084,000 156,145,000 155,156,000 148,849,000 148,284,000 147,769,000 146,925,000 143,707,000 143,550,000 143,010,000 142,254,000 124,622,000 124,180,000 123,989,000 123,517,000 122,935,000 122,559,000 122,060,000 121,487,000 132,627,000 136,072,000 135,232,000 133,018,000 132,436,000 132,414,000 131,905,000 127,655,000 127,556,000 126,790,000 124,970,000 125,888,000 125,266,000 124,925,000 124,136,000 123,302,000 122,434,000 107,820,000 94,605,000 93,972,000 91,085,000 76,660,000 76,404,000 81,324,000 80,807,000 76,517,000 75,029,000 82,017,000 76,695,000 76,220,000 71,103,000 70,836,000 56,655,000 56,880,000 56,567,000 56,045,000 54,254,000 53,991,000 53,656,000 53,116,000 57,949,000 57,376,000 56,836,000 56,204,000 55,236,000 55,124,000 54,681,000 54,903,000 49,110,000 48,682,000 48,301,000           
        long-term operating lease obligations
      15,068,000 13,991,000 14,345,000 13,638,000 13,838,000 14,107,000 13,684,000 13,661,000 14,358,000 14,645,000 13,424,000 12,132,000 12,778,000 12,657,000 13,009,000 12,366,000 12,722,000 13,010,000 13,260,000 13,078,000 13,599,000 13,904,000 13,991,000 14,316,000 14,624,000 14,806,000 15,462,000                                                       
        deferred income tax liabilities
      27,417,000 28,636,000 28,808,000 29,353,000 32,019,000 32,758,000 33,060,000 33,450,000 34,343,000 35,416,000 35,583,000 35,814,000 37,607,000 37,331,000 37,621,000                                                                   
        other liabilities
      24,584,000 21,602,000 20,774,000 22,694,000 15,176,000 16,171,000 17,522,000 18,381,000 18,092,000 25,612,000 25,258,000 24,828,000 25,450,000 25,079,000 20,882,000 22,256,000 22,348,000 20,702,000 22,812,000 24,146,000 21,109,000 16,335,000 15,846,000 23,182,000 21,126,000 21,285,000 21,393,000 20,304,000 19,299,000 19,671,000 17,353,000 17,527,000 17,203,000 13,647,000 14,855,000 21,684,000 21,174,000 22,453,000 7,173,000 6,852,000 5,978,000 6,031,000 6,326,000 6,407,000 7,332,000 6,831,000 7,345,000 9,211,000 8,536,000 7,865,000 7,464,000 6,774,000 3,568,000 3,592,000 3,582,000 10,595,000 9,400,000 8,066,000 7,968,000 7,895,000 6,140,000 4,850,000 4,975,000 5,039,000 4,806,000 7,503,000 5,994,000 6,037,000 6,141,000 6,615,000 6,732,000 5,616,000 7,091,000 6,369,000 2,835,000 2,697,000 4,197,000 3,687,000 3,228,000 3,170,000 3,848,000 
        total long-term liabilities
      821,676,000 822,106,000 824,346,000 829,055,000 841,911,000 847,654,000 740,418,000 702,362,000 686,974,000 753,426,000 788,796,000 764,424,000 783,067,000 784,450,000 790,098,000 755,760,000 776,052,000 777,263,000 839,965,000 879,144,000 925,182,000 1,058,378,000 1,081,561,000 1,125,684,000 966,080,000 798,065,000 747,880,000 876,190,000 728,230,000 734,504,000 756,404,000 734,917,000 772,747,000 526,716,000 532,401,000 1,012,814,000 950,352,000 1,102,272,000 1,049,242,000 877,625,000 849,117,000 747,220,000 754,054,000 1,016,588,000 1,058,110,000 954,217,000 1,020,179,000 1,040,598,000 957,218,000 951,075,000 903,593,000 912,940,000 879,103,000 892,654,000 889,768,000 890,890,000 590,250,000 607,001,000 620,194,000 592,504,000 601,602,000 611,367,000 603,415,000 602,590,000 580,615,000 623,339,000 297,228,000 273,419,000 277,723,000 289,254,000 260,816,000 253,780,000 240,450,000 253,322,000 247,258,000 245,696,000 253,495,000 259,763,000 254,191,000 251,292,000 252,294,000 
        total liabilities
      1,077,284,000 1,056,956,000 1,071,275,000 1,062,197,000 1,107,063,000 1,118,828,000 1,044,383,000 929,829,000 961,113,000 1,001,186,000 1,080,588,000 1,019,995,000 1,036,561,000 980,998,000 992,154,000 933,337,000 967,137,000 980,993,000 1,051,274,000 1,093,749,000 1,178,557,000 1,262,476,000 1,328,917,000 1,321,270,000 1,275,798,000 1,123,242,000 1,097,021,000 1,207,061,000 967,100,000 1,010,403,000 1,017,851,000 1,057,951,000 1,099,618,000 1,218,546,000 1,383,636,000 1,417,810,000 1,373,767,000 1,454,162,000 1,278,172,000 1,292,495,000 1,270,012,000 1,179,106,000 1,183,832,000 1,245,802,000 1,270,661,000 1,255,100,000 1,245,687,000 1,260,911,000 1,190,015,000 1,179,489,000 1,108,753,000 1,107,760,000 1,073,938,000 1,070,830,000 1,053,848,000 1,045,495,000 756,103,000 762,392,000 782,246,000 730,420,000 749,881,000 760,047,000 771,912,000 741,375,000 724,882,000 746,800,000 423,116,000 384,506,000 400,903,000 410,429,000 392,064,000 386,482,000 378,236,000 384,508,000 379,894,000 376,910,000 376,304,000 383,283,000 368,021,000 357,597,000 373,041,000 
        commitments and contingencies -
                                                                                       
        partners' capital:
                                                                                       
        arlp partners' capital:
                                                                                       
        limited partners - common unitholders 128,428,024 and 128,061,981 units outstanding, respectively
      1,836,401,000 1,816,776,000 1,845,824,000                                                                               
        accumulated other comprehensive loss
      -24,039,000 -23,639,000 -34,833,000 -35,103,000 -58,623,000 -59,645,000 -60,602,000 -61,525,000 -39,365,000 -39,926,000 -40,489,000 -41,054,000 -61,843,000 -62,645,000 -63,439,000 -64,229,000 -80,981,000 -83,212,000 -85,443,000 -87,674,000 -75,272,000 -76,116,000 -77,055,000 -77,993,000 -50,692,000 -50,573,000 -50,455,000 -46,871,000 -49,093,000 -49,907,000 -38,035,000 -38,287,000 -38,540,000 -34,174,000  -34,429,000 -34,557,000 -33,669,000 -34,395,000 -35,118,000 -35,847,000 -9,928,000 -9,858,000 -9,757,000 -9,719,000 -40,086,000 -40,811,000 -41,537,000  -39,157,000 -39,836,000 -40,460,000 -18,522,000 -18,588,000 -18,655,000 -18,721,000 -14,732,000 -16,611,000 -16,880,000 -17,149,000                      
        total arlp partners' capital
      1,812,362,000 1,793,137,000 1,810,991,000 1,832,747,000 1,903,354,000 1,911,114,000 1,897,780,000 1,834,502,000 1,828,356,000 1,761,756,000 1,681,449,000 1,614,971,000 1,456,836,000 1,341,088,000 1,222,286,000 1,214,954,000 1,170,693,000 1,123,299,000 1,088,593,000 1,060,891,000 1,041,354,000 1,011,666,000 1,055,781,000 1,253,489,000 1,339,267,000 1,367,389,000 1,375,905,000 1,182,397,000 1,244,956,000 1,250,104,000 1,153,833,000 1,140,606,000 1,087,874,000 1,020,607,000                                                
        noncontrolling interest
      18,695,000 19,353,000 20,469,000 20,786,000 21,756,000 23,004,000 23,624,000 24,095,000 24,572,000 25,001,000 25,712,000 26,507,000 10,984,000 11,105,000 11,107,000 11,115,000 11,145,000 11,221,000 11,313,000 11,376,000 11,429,000 11,486,000 11,723,000 11,935,000 12,024,000 12,090,000 12,204,000 5,290,000 5,317,000 5,327,000 5,734,000 5,759,000 5,550,000 5,122,000 3,881,000 3,379,000 2,585,000 1,921,000 1,592,000 785,000 465,000                   1,117,000 1,159,000 1,106,000 1,056,000                   
        total partners' capital
      1,831,057,000 1,812,490,000 1,831,460,000 1,853,533,000 1,925,110,000 1,934,118,000 1,921,404,000 1,858,597,000 1,852,928,000 1,786,757,000 1,707,161,000 1,641,478,000 1,467,820,000 1,352,193,000 1,233,393,000 1,226,069,000 1,181,838,000 1,134,520,000 1,099,906,000 1,072,267,000 1,052,783,000 1,023,152,000 1,067,504,000 1,265,424,000 1,351,291,000 1,379,479,000 1,388,109,000 1,187,687,000 1,250,273,000 1,255,431,000 1,159,567,000 1,146,365,000 1,093,424,000 1,025,729,000                                                
        total liabilities and partners' capital
      2,908,341,000 2,869,446,000 2,902,735,000 2,915,730,000 3,032,173,000 3,052,946,000 2,965,787,000 2,788,426,000 2,814,041,000 2,787,943,000 2,787,749,000 2,661,473,000 2,504,381,000 2,333,191,000 2,225,547,000 2,159,406,000 2,148,975,000 2,115,513,000 2,151,180,000 2,166,016,000 2,231,340,000 2,285,628,000 2,396,421,000 2,586,694,000 2,627,089,000 2,502,721,000 2,485,130,000 2,394,748,000 2,217,373,000 2,265,834,000 2,177,418,000 2,204,316,000 2,193,042,000 2,244,275,000                                                
        sales and operating revenues:
                                                                                       
        coal sales
      511,593,000 485,469,000 468,511,000  532,647,000 512,659,000 561,879,000  549,123,000 560,331,000 578,784,000  550,563,000 531,807,000 388,360,000  362,264,000 325,974,000 287,487,000        476,016,000 1,844,808,000 460,330,000 475,925,000                          1,551,539,000     281,628,000 287,620,000 312,260,000 1,093,059,000 269,318,000                146,350,000 
        oil & gas royalties
      32,055,000 35,473,000 36,084,000  34,448,000 36,429,000 37,030,000  34,125,000 33,087,000 34,497,000  35,312,000 35,927,000 30,927,000  20,109,000 17,114,000 13,999,000                                                               
        transportation revenues
      7,701,000 8,558,000 10,200,000  24,617,000 26,701,000 30,753,000  34,964,000 30,527,000 30,238,000  28,548,000 35,385,000 29,372,000  22,027,000 12,058,000 11,068,000        30,238,000 112,385,000 28,697,000 27,532,000                          33,584,000     11,663,000 12,794,000 10,890,000 44,755,000 11,721,000                6,505,000 
        other revenues
      20,018,000 17,963,000 25,673,000  21,857,000 17,561,000 22,035,000  18,309,000 17,891,000 19,403,000  13,997,000 13,382,000 12,204,000  11,039,000 7,297,000 6,068,000                                                               
        total revenues
      571,367,000 547,463,000 540,468,000  613,569,000 593,350,000 651,697,000  636,521,000 641,836,000 662,922,000  628,420,000 616,501,000 460,863,000  415,439,000 362,443,000 318,622,000        526,602,000 2,002,857,000 497,758,000 516,137,000                          1,610,065,000     299,644,000 303,904,000 329,300,000 1,156,549,000 285,790,000                158,261,000 
        expenses:
                                                                                       
        operating expenses
      354,604,000 346,288,000 339,436,000  384,844,000 351,605,000 363,859,000  339,099,000 334,402,000 338,723,000  330,298,000 316,502,000 261,746,000  233,201,000 213,039,000 196,520,000        302,728,000 1,207,713,000 308,404,000 311,201,000                          1,009,935,000     204,840,000 204,477,000 196,376,000 801,854,000 199,321,000                108,919,000 
        transportation expenses
      7,701,000 8,558,000 10,200,000  24,617,000 26,701,000 30,753,000  34,964,000 30,527,000 30,238,000  28,548,000 35,385,000 29,372,000  22,027,000 12,058,000 11,068,000        30,238,000 112,385,000 28,697,000 27,532,000                          33,584,000     11,663,000 12,794,000 10,890,000 44,755,000 11,721,000                6,505,000 
        outside coal purchases
      4,514,000 7,179,000 7,345,000  8,192,000 10,608,000 9,112,000  11,530,000 4,209,000    151,000   6,065,000 114,000          1,466,000  68,000                          17,078,000     517,000 432,000 4,760,000 23,776,000                  
        general and administrative
      21,373,000 20,380,000 20,580,000  21,878,000 20,562,000 22,129,000  20,097,000 20,130,000 21,085,000  21,341,000 22,457,000 18,596,000  18,655,000 17,492,000 15,504,000        17,812,000 68,298,000 15,836,000 17,026,000                          50,818,000     9,959,000 9,307,000 9,734,000 37,176,000 7,184,000                12,687,000 
        depreciation, depletion and amortization
      78,211,000 76,340,000 68,629,000  72,971,000 66,454,000 65,549,000  65,393,000 68,639,000 65,550,000  70,143,000 66,734,000 63,314,000  68,763,000 64,733,000 59,202,000        71,139,000 280,225,000 70,196,000 72,150,000                          146,881,000     28,145,000 28,272,000 27,350,000 105,278,000 25,403,000                13,620,000 
        total operating expenses
      466,403,000 458,745,000 446,190,000  512,502,000 475,930,000 491,402,000  471,083,000 457,907,000 455,596,000  450,330,000 441,229,000 373,028,000  348,711,000 307,436,000 282,294,000        421,917,000 1,630,570,000 423,133,000 427,977,000                          1,258,296,000     255,124,000 255,282,000 249,110,000 1,004,890,000 250,624,000                132,596,000 
        income from operations
      104,964,000 88,718,000 94,278,000  101,067,000 117,420,000 160,295,000  165,438,000 183,929,000 207,326,000  178,090,000 175,272,000 87,835,000  66,728,000 55,007,000 36,328,000        104,685,000 372,287,000 74,625,000 88,160,000                          351,769,000     44,520,000 48,622,000 80,190,000 151,659,000 35,166,000                25,665,000 
        interest expense
      -11,033,000 -9,252,000 -8,434,000  -9,527,000 -9,277,000 -7,749,000  -7,736,000 -9,433,000 -12,676,000  -9,245,000 -9,397,000 -9,662,000  -9,408,000 -9,842,000 -10,396,000        -11,422,000 -40,218,000 -9,840,000 -9,955,000                          -30,062,000     -7,675,000 -7,808,000 -7,981,000 -22,145,000 -8,134,000                3,672,000 
        interest income
      682,000 570,000 867,000  2,175,000 2,084,000 1,276,000  2,669,000 2,625,000 2,790,000  426,000 93,000 35,000  19,000 15,000 17,000        91,000 159,000 32,000 24,000                          200,000     112,000 293,000 631,000 3,727,000 2,118,000                 
        net income on equity method investments
      4,487,000 -1,536,000 -2,006,000                                                                               
        change in fair value of digital assets
      3,739,000 12,856,000 -5,574,000  332,000 -3,748,000 11,853,000                                                                           
        impairment loss on investments -
       -25,000,000                                                                                
        other income
      -135,000 17,000 611,000  -681,000 -958,000 -606,000  223,000 177,000 -573,000  192,000 579,000 566,000  -84,000 -1,351,000 -1,197,000        -129,000 -2,621,000 -812,000 -542,000                          851,000     126,000 202,000 226,000 875,000 231,000                202,000 
        income before income taxes
      102,704,000 66,373,000 79,742,000  91,039,000 105,369,000 164,516,000  158,752,000 175,304,000 196,919,000  171,571,000 168,132,000 79,657,000  57,958,000 44,170,000 24,814,000        283,498,000 367,492,000 73,974,000 86,380,000                          322,758,000     37,083,000 41,309,000 73,066,000                  25,867,000 
        income tax expense
      5,886,000 5,348,000 4,182,000  4,123,000 3,860,000 4,949,000  3,401,000 3,999,000 4,241,000  6,600,000    234,000           22,000                                                     546,000 
        net income
      96,818,000 61,025,000 75,560,000  86,916,000 101,509,000 159,567,000  155,351,000 171,305,000 192,678,000  164,971,000 161,801,000 36,942,000  57,724,000 44,165,000 24,826,000        283,604,000 367,470,000 73,969,000 86,377,000                          321,017,000     36,497,000 41,510,000 72,640,000 134,176,000 29,136,000                25,321,000 
        less: net income attributable to noncontrolling interest
      -1,714,000 -1,615,000 -1,577,000  -635,000 -1,322,000 -1,510,000  -1,652,000 -1,515,000 -1,493,000  -364,000 -323,000 -290,000  -176,000  -78,000        -7,176,000 -866,000 -236,000 -187,000                               -53,000 -50,000 -129,000                   
        net income attributable to arlp
      95,104,000 59,410,000 73,983,000  86,281,000 100,187,000 158,057,000  153,699,000 169,790,000 191,185,000  164,607,000 161,478,000 36,652,000  57,548,000 44,035,000 24,748,000                                                               
        earnings per limited partner unit - basic and diluted
      730 460 570  660 770 1,210  1,180 1,300 1,450  1,250 1,230 280  440 340 190                                                               
        weighted-average number of units outstanding – basic and diluted
      128,428,024,000 128,428,024,000 128,265,338,000  128,061,981,000 128,061,981,000 127,670,897,000  127,125,437,000 127,183,439,000 127,289,340,000  127,195,219,000 127,195,219,000 127,195,219,000  127,195,219,000 127,195,219,000 127,195,219,000        128,149,791,000 130,758,169,000 131,169,538,000 131,279,910,000                                                    
        accrued pension benefit
          7,005,000 7,620,000 8,112,000 8,618,000 11,770,000 12,028,000 12,250,000 12,553,000 23,415,000 24,130,000 24,857,000 25,590,000 41,220,000 42,031,000 42,842,000 46,965,000 41,862,000 42,924,000 43,361,000 44,858,000 38,583,000 40,841,000 41,917,000 43,135,000 40,489,000 41,774,000 40,607,000 41,300,000 42,070,000 38,239,000 38,615,000 38,781,000 39,031,000 38,566,000 39,377,000 39,772,000 40,105,000 16,290,000 16,933,000 17,544,000 18,182,000 31,202,000 31,329,000 31,457,000 24,273,000 24,723,000 27,400,000 27,538,000 10,489,000 10,809,000 13,029,000 13,296,000 19,127,000 19,618,000 19,688,000 19,696,000 20,881,000 20,823,000 20,766,000 19,952,000     4,053,000 7,699,000 7,010,000  5,500,000 9,263,000 8,519,000 7,588,000      
        limited partners - common unitholders 128,061,981 and 127,125,437 units outstanding, respectively
         1,867,850,000 1,961,977,000 1,970,759,000 1,958,382,000                                                                           
        property, plant and equipment, at cost
          4,451,796,000 4,350,389,000 4,284,051,000 4,172,544,000 4,133,738,000 4,040,872,000 4,018,071,000 3,857,390,000 3,765,400,000 3,656,835,000 3,666,987,000 3,608,347,000 3,570,201,000 3,548,857,000 3,575,120,000 3,554,090,000 3,619,568,000 3,615,721,000 3,621,062,000 3,684,008,000 3,673,436,000 3,496,144,000 3,474,573,000 2,925,808,000 3,044,530,000 3,013,346,000 2,926,175,000 2,940,438,000 2,920,988,000 2,994,420,000 3,001,665,000 3,065,155,000 3,044,260,000 3,215,566,000 2,927,115,000 2,889,878,000 2,815,620,000 2,771,664,000 2,703,121,000 2,681,406,000 2,645,872,000 2,576,521,000 2,511,748,000 2,434,704,000 2,278,297,000 2,274,804,000 2,087,996,000 1,974,520,000 1,838,660,000 1,730,668,000 1,652,197,000 1,598,130,000 1,566,865,000 1,510,054,000 1,445,367,000 1,378,914,000 1,317,098,000 1,241,812,000 1,160,927,000 1,085,214,000 1,061,304,000 1,004,012,000 990,591,000 948,210,000 922,159,000 899,008,000 846,935,000 819,991,000    635,086,000    526,468,000  
        equity method investment loss
          -2,327,000 -152,000                                                                            
        general partner
                1,384,000                                                                       
        limited partners
          86,281,000 100,187,000 158,057,000  153,699,000 169,790,000 189,801,000                                                                       
        equity method investment income
            -553,000  -1,842,000 -1,994,000 52,000  2,108,000 1,585,000 883,000  703,000 341,000 62,000        324,000 22,189,000 5,980,000 4,839,000                                                    
        limited partners - common unitholders 127,125,437 and 127,195,219 units outstanding, respectively
             1,896,027,000 1,867,721,000 1,801,682,000                                                                        
        general partner's interest
                                                                                       
        limited partners - common unitholders 127,195,219 units outstanding
                1,721,938,000 1,656,025,000 1,518,679,000 1,403,733,000 1,285,725,000 1,279,183,000 1,251,674,000 1,206,511,000 1,174,036,000                                                               
        goodwill
                  4,373,000 4,373,000 4,373,000 4,373,000 4,373,000 4,373,000 4,373,000 4,373,000 4,373,000 4,373,000 4,373,000 136,399,000 136,399,000 136,399,000 136,399,000 136,399,000 136,399,000 136,399,000 136,399,000 136,399,000 136,399,000 136,399,000 136,399,000 136,399,000  161,985,000                                            
        current finance lease obligations
                  302,000 486,000 665,000 840,000 821,000 802,000 784,000 766,000 732,000 699,000 7,043,000 8,368,000 31,507,000 38,214,000 40,894,000                                                       
        current operating lease obligations
                  2,757,000 2,157,000 2,133,000 1,820,000 1,809,000 1,823,000 1,837,000 1,854,000 1,863,000 1,954,000 2,264,000 3,251,000 4,431,000 5,554,000 6,911,000                                                       
        long-term finance lease obligations
                  533,000 562,000 590,000 618,000 835,000 1,047,000 1,255,000 1,458,000 1,656,000 1,850,000 2,039,000 2,224,000 2,388,000 2,549,000 9,082,000                                                       
        income tax benefit
                   6,331,000 42,715,000   5,000 -12,000        -106,000  5,000 3,000                          1,741,000     586,000 -201,000 426,000 -480,000 92,000                 
        asset impairments
                                                                                       
        goodwill impairment
                                                                                       
        less: net income (income) attributable to noncontrolling interest
                       -130,000                                                                
        limited partners - common unitholders 127,195,219 and 126,915,597 units outstanding, respectively
                         1,148,565,000 1,116,626,000 1,087,782,000 1,132,836,000                                                           
        limited partners - common unitholders 126,915,597 and 128,095,511 units outstanding, respectively
                             1,331,482,000                                                          
        limited partners - common unitholders 128,391,191 and 128,095,511 units outstanding, respectively
                              1,389,959,000 1,417,962,000 1,426,360,000                                                       
        due from affiliates
                                16,000 17,000  19,000 419,000 277,000 271,000 198,000 438,000 322,000 190,000 168,000 23,235,000 7,649,000 7,221,000 2,532,000 3,134,000 2,497,000 1,964,000 740,000 642,000 157,000 191,000 255,000 3,161,000 5,116,000 116,000 264,000 152,000 1,912,000 1,731,000 1,803,000 1,906,000 83,000 86,000 145,000 123,000  168,000 207,000 124,000 139,000 123,000 117,000 117,000 25,000 56,000 115,000        
        due to affiliates
                                66,000 816,000 1,010,000 717,000 728,000 550,000 906,000 44,000 15,000 41,000 129,000 170,000 381,000 239,000 370,000 367,000 161,000 202,000 290,000 393,000 386,000 407,000 395,000 567,000 1,015,000 494,000 514,000 467,000 627,000 573,000 433,000 434,000 360,000 27,000 487,000 44,000 144,000 706,000   115,000 1,343,000 1,064,000 614,000 976,000 1,414,000 1,556,000 1,540,000 2,040,000 8,795,000 15,840,000 11,888,000 9,386,000 10,338,000 24,074,000 
        alliance resource partners, l.p. ("arlp") partners' capital:
                                                                                       
        royalty revenues
                                10,728,000                                                       
        other sales and operating revenues
                                9,620,000 45,664,000 8,731,000 12,680,000                          24,942,000     6,353,000 3,490,000 6,150,000 18,735,000 4,751,000                5,406,000 
        settlement gain
                                 -80,000,000                                                      
        equity securities income
                                12,906,000 15,696,000 3,989,000 3,854,000                                                    
        acquisition gain
                                177,043,000                                                       
        net income attributable to alliance resource partners, l.p.
                                276,428,000 366,604,000 73,733,000 86,190,000                          321,017,000     36,444,000 41,460,000 72,511,000                   
        general partner's interest in net income of arlp
                                                                                       
        limited partners' interest in net income of arlp
                                276,428,000 365,044,000 73,733,000 86,190,000                                                    
        basic and diluted net income of arlp per limited partner unit
                                2,120 2,740 550 640                               570 720 1,560                   
        current capital lease obligations
                                 46,722,000 30,668,000 30,954,000 27,855,000 27,505,000 27,196,000 27,035,000 27,741,000 20,148,000 19,764,000 1,333,000 1,316,000 1,299,000 1,305,000 1,305,000 1,306,000 1,307,000 1,288,000 1,214,000 1,141,000 1,069,000 1,019,000 1,037,000 662,000  724,000 771,000 817,000                           
        long-term capital lease obligations
                                 10,595,000 33,886,000 40,744,000 71,510,000 78,560,000 85,540,000 92,376,000 98,586,000 74,895,000 80,150,000 14,602,000 14,946,000 15,287,000 15,624,000 16,005,000 16,383,000 16,758,000 17,135,000 17,513,000 17,888,000 18,260,000 18,865,000 19,115,000 2,340,000  2,666,000 2,835,000 3,002,000                           
        limited partners - common unitholders 128,095,511 and 130,704,217 units outstanding, respectively
                                 1,229,268,000                                                      
        asset impairment
                                 40,483,000                                                      
        debt extinguishment loss
                                                                                       
        general partners' interest in net income of arlp
                                 1,560,000                                                      
        limited partners - common unitholders 130,712,346 and 130,704,217 units outstanding, respectively
                                  1,294,049,000                                                     
        limited partners - common unitholders 131,395,987 and 130,704,217 units outstanding, respectively
                                   1,300,011,000                                                    
        distributions paid per limited partner unit
                                   515                          3,205      730                    
        equity investments in affiliates
                                    149,592,000 147,052,000 138,817,000 128,051,000   64,509,000 48,034,000 221,768,000 232,049,000 224,611,000 201,624,000 176,506,000 154,029,000 130,410,000 124,345,000 128,884,000 115,525,000 74,329,000 63,880,000 41,652,000 40,118,000 37,119,000                             
        limited partners - common unitholders 74,597,036 and 74,375,025 units outstanding, respectively
                                    1,483,706,000 1,451,453,000                                                  
        general partners’ deficit
                                    -291,838,000 -272,560,000 -273,788,000 -275,153,000  -276,509,000 -258,883,000 -257,593,000 -257,512,000 -258,586,000 -260,088,000 -261,845,000 -263,535,000 -265,708,000 -267,563,000 -268,907,000 -269,998,000 -271,460,000  -275,226,000 -277,203,000 -279,107,000 -281,124,000 -283,247,000 -285,301,000 -287,371,000 -289,209,000 -290,438,000 -291,944,000 -293,153,000 -293,652,000 -294,068,000 -294,604,000 -295,834,000 -296,090,000 -297,392,000 -300,156,000 -290,669,000 -291,815,000 -292,019,000 -293,106,000 -293,569,000 -295,644,000 -295,937,000 -297,727,000 -298,270,000 -300,634,000 -300,984,000 -302,809,000 -303,295,000  
        limited partners - common unitholders 74,375,025 and 74,188,784 units outstanding, respectively
                                      1,400,202,000 1,329,934,000 1,290,542,000 1,258,251,000                                              
        commitments and contingencies
                                                                                       
        equity investments in affiliate
                                        96,670,000 84,234,000                                              
        liabilities and partners’ capital
                                                                                       
        workers’ compensation and pneumoconiosis benefits
                                        8,702,000 8,843,000 8,688,000 8,893,000 8,873,000 8,868,000 8,868,000 9,287,000 9,287,000 9,237,000 9,065,000 9,478,000 9,478,000 9,468,000 9,488,000 9,466,000 9,511,000 9,511,000 8,521,000 8,357,000 8,358,000 8,518,000 10,046,000 10,043,000 10,046,000 9,886,000 9,254,000 9,429,000 9,377,000 9,377,000 8,038,000 8,038,000 8,120,000 8,124,000 7,715,000 7,723,000 7,729,000 7,704,000 7,593,000 7,628,000 7,813,000 7,740,000 7,222,000 7,023,000 7,085,000 7,081,000 5,941,000 
        workers’ compensation
                                        49,317,000 48,337,000 47,486,000 49,084,000 47,906,000 50,438,000 49,797,000 52,603,000 53,334,000 54,857,000 54,949,000 70,733,000 72,213,000 70,347,000 74,862,000 72,560,000 68,222,000 64,520,000 70,619,000 66,785,000 63,235,000 59,796,000 65,989,000 60,519,000 56,836,000 53,845,000 59,663,000 54,187,000 47,506,000 47,828,000 46,594,000 46,860,000 45,591,000 44,150,000 51,752,000 46,021,000 42,276,000 38,488,000 36,509,000 33,246,000 31,754,000 30,050,000 30,293,000 28,806,000 27,121,000 25,994,000 27,139,000 
        partners’ capital:
                                                                                       
        alliance resource partners, l.p. (“arlp”) partners’ capital:
                                                                                       
        total arlp partners’ capital
                                        980,339,000 947,313,000 986,778,000 1,049,310,000 1,050,165,000 1,037,646,000 1,014,582,000               455,783,000 420,003,000 391,110,000 350,101,000 319,863,000 319,398,000 324,151,000 322,092,000                   
        total partners’ capital
                                        984,220,000 950,692,000 989,363,000 1,051,231,000 1,051,757,000 1,038,431,000 1,015,047,000 994,496,000 952,161,000 890,156,000 851,237,000 791,548,000 774,376,000 738,627,000 676,254,000 679,364,000 644,700,000 623,758,000 605,227,000 555,180,000 508,558,000 455,783,000 420,003,000 391,110,000 350,101,000 320,980,000 320,557,000 325,257,000 323,148,000 289,265,000 322,031,000 326,682,000 319,628,000 317,217,000 296,415,000 285,465,000 265,426,000 248,480,000 226,139,000 210,494,000 190,262,000 155,777,000 122,413,000 105,429,000 79,378,000 55,187,000 44,901,000 
        total liabilities and partners’ capital
                                        2,367,856,000 2,368,502,000 2,363,130,000 2,505,393,000 2,329,929,000 2,330,926,000 2,285,059,000 2,173,602,000 2,135,993,000 2,135,958,000 2,121,898,000 2,046,648,000 2,020,063,000 1,999,538,000 1,866,269,000 1,858,853,000 1,753,453,000 1,731,518,000 1,679,165,000 1,626,010,000 1,562,406,000 1,501,278,000 1,176,106,000 1,153,502,000 1,132,347,000 1,051,400,000 1,070,438,000 1,085,304,000 1,095,060,000 1,030,640,000 1,046,913,000 1,073,482,000 742,744,000 701,723,000 697,318,000 695,894,000 657,490,000 634,962,000 604,375,000 595,002,000 570,156,000 532,687,000 498,717,000 488,712,000 447,399,000 412,784,000 417,942,000 
        due from affiliate
                                            11,166,000 11,020,000 11,047,000 11,256,000 11,361,000 11,458,000 11,560,000 11,150,000 5,927,000 4,862,000   776,000                               
        goodwill –
                                          136,399,000                                             
        commitments and contingencies –
                                                                                       
        limited partners - common unitholders 74,188,784 and 74,060,634 units outstanding, respectively
                                          1,280,218,000 1,340,572,000 1,342,072,000 1,331,350,000                                          
        limited partners - common unitholders 74,060,634 and 73,926,108 units outstanding, respectively
                                              1,310,517,000 1,266,269,000 1,225,554,000                                       
        limited partners - common unitholders 37,030,317 and 36,963,054 units outstanding, respectively
                                                 1,165,621,000                                      
        limited partners - common unitholders 36,963,054 and 36,874,949 units outstanding, respectively
                                                  1,128,519,000 1,100,541,000 1,085,185,000 1,051,624,000                                  
        limited partners - common unitholders 36,874,949 and 36,775,741 units outstanding, respectively
                                                      989,293,000 993,747,000 961,739,000                               
        current capital lease obligation
                                                         676,000    295,000 302,000 310,000 317,000 324,000 331,000 338,000 345,000 351,000 358,000 365,000 371,000 377,000 375,000 373,000 371,000 339,000          
        long-term capital lease obligation
                                                         2,497,000    165,000 240,000 314,000 388,000 460,000 543,000 624,000 704,000 784,000 873,000 962,000 1,049,000 1,135,000 1,232,000 1,327,000 1,420,000 1,512,000          
        limited partners—common unitholders 36,775,741 and 36,716,855 units outstanding, respectively
                                                         943,325,000                              
        limited partners - common unitholders 36,775,741 and 36,716,855 units outstanding, respectively
                                                          904,873,000 857,015,000 812,514,000                           
        limited partners - common unitholders 36,716,855 and 36,661,029 units outstanding, respectively
                                                             761,875,000 723,944,000 698,159,000 658,925,000                       
        gain from sale of coal reserves
                                                                     -5,159,000                  
        net gain from insurance settlement and other
                                                                     -2,790,000                  
        general partners’ interest in net income of arlp
                                                             73,172,000     15,192,000 14,764,000 14,857,000                   
        limited partners’ interest in net income of arlp
                                                             247,845,000     21,252,000 26,696,000 57,654,000                   
        basic net income of arlp per limited partner unit
                                                             6,680                          
        diluted net income of arlp per limited partner unit
                                                             6,680                          
        weighted-average number of units outstanding–basic
                                                             36,710,431,000                          
        weighted-average number of units outstanding–diluted
                                                             36,710,431,000                          
        limited partners - common unitholders 36,661,029 and 36,613,458 units outstanding, respectively
                                                                 630,165,000 631,458,000 636,840,000 636,240,000                   
        marketable securities
                                                                  4,952,000 5,094,000          260,000 155,000 24,477,000 39,397,000 49,242,000 49,472,000 49,336,000 49,312,000 49,397,000 15,014,000 
        accumulated other comprehensive income
                                                                  -18,408,000 -18,621,000 -19,544,000 -19,899,000 109,000 109,000 109,000 109,000 -6,762,000 -6,827,000            
        basic and diluted weighted-average number of units outstanding
                                                                  36,661,029,000                     
        weighted-average number of units outstanding-basic
                                                                   36,993,874,000 36,999,057,000  36,613,458,000                17,903,793,000 
        weighted-average number of units outstanding-diluted
                                                                   36,993,874,000 36,999,057,000  36,761,292,000                18,438,758,000 
        distributions paid per common unit
                                                                    715 2,530 660                 
        minority interest
                                                                     927,000 903,000 750,000 648,000 507,000 609,000 672,000 757,000 839,000 904,000 957,000        
        limited partners - common unitholders 36,613,458 and 36,550,659 units outstanding, respectively
                                                                     604,998,000 618,012,000  619,675,000               
        income before income taxes, cumulative effect of accounting change and minority interest
                                                                     134,116,000                  
        income before cumulative effect of accounting change and minority interest
                                                                     134,596,000                  
        cumulative effect of accounting change
                                                                                       
        general partners’ interest in net income
                                                                     45,697,000 11,512,000                843,000 
        limited partners’ interest in net income
                                                                     88,479,000 17,624,000                24,478,000 
        basic net income per limited partner unit
                                                                     2,420 480                1,370 
        diluted net income per limited partner unit
                                                                     2,410 480                1,330 
        weighted-average number of units outstanding – basic
                                                                     36,604,707,000                  
        weighted-average number of units outstanding – diluted
                                                                     36,769,883,000                  
        outside purchases
                                                                      6,995,000                2,410,000 
        gain on sale of coal reserves
                                                                                       
        income before income taxes and minority interest
                                                                      29,381,000                 
        income before minority interest
                                                                      29,289,000                 
        limited partners—common unitholders 36,613,458 and 36,550,659 units outstanding, respectively
                                                                       623,965,000                
        limited partners - common unitholders 36,550,659 and 36,419,847 units outstanding, respectively
                                                                         607,777,000  584,311,000            
        limited partners—common unitholders 36,550,659 and 36,419,847 units outstanding, respectively
                                                                          594,992,000  565,488,000           
        accumulated other comprehensive income/minimum pension liability
                                                                            -6,956,000 -6,956,000          
        total property, plant and equipment-net
                                                                             436,707,000          
        reclamation and mine closing
                                                                             47,825,000 42,894,000 42,484,000 39,177,000 38,716,000 39,261,000 34,111,000 33,680,000 32,838,000 30,085,000 
        limited partners—common unitholders 36,419,847 and 36,426,306 units outstanding, respectively
                                                                             549,005,000          
        unrealized loss on marketable securities
                                                                               -2,000 -52,000 -68,000 -71,000 -89,000 -145,000 -54,000  
        property, plant and equipment at cost
                                                                              776,300,000 726,189,000 679,228,000  598,100,000 564,764,000 538,275,000  511,108,000 
        limited partners - common unitholders 36,426,306 units outstanding
                                                                              528,736,000 513,386,000 494,994,000       
        minimum pension liability
                                                                              -6,953,000 -6,953,000 -6,953,000 -6,953,000 -5,122,000 -5,122,000 -5,122,000 -5,122,000 -3,789,000 
        coal supply agreements
                                                                                  681,000 1,361,000 2,042,000 2,723,000 3,404,000 
        pheumoconiosis benefits
                                                                                 23,293,000      
        limited partners - common unitholders 36,426,306 and 36,260,880 units outstanding, respectively
                                                                                 461,068,000      
        limited partners - common unitholders 36,260,880 units outstanding
                                                                                  428,240,000     
        limited partners - common unitholders 18,130,440 units outstanding
                                                                                   411,624,000    
        accrued pneumoconiosis benefits
                                                                                    20,657,000  19,229,000 
        common unitholders 18,130,440 units outstanding
                                                                                    387,454,000   
        trade receivables, less allowance of 0 and 763 at december 31, 2004 and 2003
                                                                                     56,967,000  
        common unitholders 18,130,440 and 14,692,527 units outstanding, respectively
                                                                                     363,658,000  
        subordinated unitholder -0- and 3,211,266 units outstanding, respectively
                                                                                       
        long-term liablities:
                                                                                       
        partners’ capital
                                                                                       
        common unitholders 14,692,527 units outstanding,
                                                                                      288,735,000 
        subordinated unitholder 3,211,266 units outstanding
                                                                                      64,020,000 
        general partners
                                                                                      -304,065,000 
        net gain from insurance settlement
                                                                                      -15,217,000 
        allocation of net income:
                                                                                       
        portion applicable to warrior coal loss prior to its acquisition on february 14, 2003
                                                                                       
        portion applicable to partners’ interest
                                                                                      25,321,000 
        distribution paid per common and subordinated unit
                                                                                      650 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 
                                                                                             
          cash flows from operating activities
        105,509,000  209,881,000 151,693,000 145,686,000  209,272,000 215,766,000 209,673,000  231,388,000 280,764,000 223,259,000  313,237,000 146,281,000 89,036,000  152,761,000 103,569,000 54,647,000  121,620,000 91,449,000 78,719,000  106,715,000 157,997,000 143,706,000  206,023,000 149,066,000 224,178,000  161,601,000 117,467,000 177,011,000  282,186,000 131,748,000 80,594,000  190,015,000 177,258,000 161,622,000  207,004,000 239,290,000 140,099,000  176,562,000 174,345,000 199,478,000 176,157,000 140,667,000 114,804,000  170,951,000 140,537,000 120,848,000  135,376,000 152,221,000 106,646,000  74,088,000 88,983,000 75,278,000  41,921,000 84,373,000 66,426,000  69,952,000 72,367,000 69,005,000  55,630,000 61,180,000 67,640,000  55,173,000 67,892,000 28,504,000  
          cash flows from investing activities:
                                                                                             
          property, plant and equipment:
                                                                                             
          capital expenditures
                                                                                             
          free cash flows
                                                                                             
          change in accounts payable and accrued liabilities
        3,470,000 -5,271,000 6,285,000 -5,644,000 -6,196,000 -49,000 4,247,000 613,000 4,331,000 -6,689,000 2,624,000 -37,740,000 12,110,000     313,000 734,000 -5,653,000 7,200,000  -3,190,000 -2,896,000 -3,612,000                                                             
          proceeds from sale of property, plant and equipment
        278,000 431,000 1,401,000 468,000 241,000 241,000 416,000 805,000 164,000 274,000 968,000 73,000 2,395,000 2,462,000 1,633,000 2,445,000 928,000 1,287,000 3,594,000 1,699,000 1,139,000 1,012,000 11,000 239,000 2,500,000 374,000 191,000 598,000 103,000 48,000 1,884,000 470,000 7,000 651,000 948,000 87,000 453,000 409,000 7,000 291,000 458,000 543,000 1,276,000 -56,000 299,000 109,000 253,000   1,396,000 115,000 9,000 95,000 4,000 15,000 1,061,000 343,000 68,000 54,000 28,000 251,000 1,000 101,000 7,000   221,000 1,920,000 560,000 7,000 911,000 2,811,000 2,995,000 53,000 802,000 89,000 92,000 418,000 5,000 193,000 226,000 
          contributions to equity method investments
        -586,000 -1,119,000 -22,874,000 -513,000 -878,000 -1,498,000 -108,000 -665,000 -625,000 -261,000 -923,000 -794,000 -540,000 -3,867,000 -110,000               -4,200,000 -11,400,000                                                     
          oil & gas reserve business combinations
        -14,525,000                                                                                     
          oil & gas reserve asset acquisitions
        -1,724,000 -4,352,000 -745,000 -2,707,000 -33,000 -9,557,000 -10,456,000 -2,898,000 -1,822,000                                                                             
          other
        945,000 18,570,000 -1,223,000 2,349,000 580,000 16,693,000 1,759,000 1,106,000 1,286,000 10,099,000 327,000 244,000 589,000 8,381,000 -1,722,000 -982,000 827,000 -252,000 -222,000 -141,000 7,234,000 -93,000 -222,000 -288,000 6,350,000 -183,000 -228,000 -262,000 4,533,000 -282,000 -917,000 -163,000 8,617,000 -4,234,000 638,000 1,191,000 1,133,000 1,207,000 544,000 416,000 4,581,000 1,807,000         117,000 161,000 268,000                              
          net cash from investing activities
        -107,832,000 -80,286,000 -82,716,000 -75,191,000 -93,062,000 -103,231,000 -114,440,000 -102,481,000 -120,512,000 -115,249,000 -166,870,000 -128,895,000 -148,719,000 -155,841,000 -84,155,000 -117,817,000 -45,525,000 -62,278,000 -30,163,000 -27,510,000 -22,737,000 -16,197,000 -21,464,000 -36,129,000 -51,334,000 -64,550,000 -213,793,000 -93,791,000 -115,982,000 -49,960,000 -67,287,000 -65,805,000 -62,197,000 -39,379,000 -130,068,000 -39,479,000 -35,845,000 -27,101,000   -57,274,000 -67,089,000 -111,186,000   -125,841,000 -106,541,000 -104,231,000 -104,609,000 -106,750,000 -83,234,000 -114,655,000 -121,312,000  -255,428,000 -134,896,000 -117,045,000 -137,038,000 -78,989,000 -68,036,000 -56,870,000 -54,494,000 -112,881,000 -70,746,000 -71,065,000 -79,443,000 -102,346,000 -67,278,000 -54,068,000 -57,912,000 -29,008,000 -43,137,000 -23,759,000 -25,042,000 -91,894,000 -37,969,000 -41,967,000 -25,615,000 -35,108,000 -35,002,000 -31,311,000 -36,045,000 -26,095,000 -16,727,000 -48,596,000 
          cash flows from financing activities:
                                                                                             
          borrowings under securitization facility
        56,000,000 10,000,000 35,000,000 35,000,000 4,000,000 75,000,000         33,300,000 12,800,000 31,000,000 35,500,000 10,000,000 108,000,000 122,000,000 70,000,000 75,000,000 37,600,000 24,300,000   12,500,000 9,600,000 22,500,000                                            
          payments under securitization facility
        -11,000,000 -10,000,000 -35,000,000 -35,000,000 -4,000,000 -45,000,000 -30,000,000       -38,100,000 -35,000,000 -17,800,000 -16,300,000 -19,500,000 -28,200,000 -23,700,000 -44,000,000 -25,000,000 -110,000,000 -30,000,000 -131,500,000 -53,500,000 -70,000,000 -27,600,000     -13,900,000 -16,900,000                                            
          payments on equipment financings
        -3,387,000 -3,318,000 -3,249,000 -3,185,000 -3,118,000 -3,055,000 -2,991,000 -3,959,000 -1,976,000 -13,549,000 -3,856,000 -3,806,000 -3,759,000 -3,711,000 -3,664,000 -4,224,000 -4,472,000 -4,411,000 -4,353,000 -4,296,000 -4,239,000 -4,183,000 -4,128,000 -3,269,000 -3,225,000                                                             
          borrowings under revolving credit facilities
        17,000,000     20,000,000         5,000,000 10,000,000 70,000,000 100,000,000 210,000,000   175,000,000 70,000,000 50,486,000 125,000,000     80,000,000 100,000,000 268,000,000 95,000,000 120,000,000 79,000,000 60,000,000 82,800,000 175,000,000           28,500,000 33,250,000 33,250,000     12,750,000 76,100,000 65,400,000 106,665,000            
          payments under revolving credit facilities
        -17,000,000     -20,000,000         -60,000,000 -42,500,000 -47,500,000 -130,000,000 -35,000,000 -25,000,000 -85,000,000 -40,000,000 -45,000,000 -150,000,000 -100,000,000 -20,486,000 -125,000,000 -270,000,000 -25,000,000 -55,000,000    -108,000,000 -90,000,000   -150,000,000 -79,000,000 -105,000,000 -117,800,000 -75,000,000           -33,500,000 -51,500,000 -10,000,000     -21,500,000 -41,250,000 -54,100,000 -64,400,000             
          borrowing under long-term debt
        5,903,000       75,000,000                                                                         
          payments on long-term debt
        -3,516,000 -3,516,000 -3,516,000 -3,515,000 -3,516,000 -3,515,000 -3,516,000 -288,123,000 -4,688,000 -9,375,000 -54,606,000 -38,841,000 -26,633,000                                                                        
          payments for tax withholdings related to settlements under deferred compensation plan
        -4,142,000  -7,082,000                                                                                 
          distributions paid to partners
        -78,009,000 -77,772,000 -77,776,000 -90,739,000 -90,891,000 -90,723,000 -90,725,000 -90,736,000 -91,246,000 -90,812,000 -90,899,000 -90,930,000 -91,938,000 -65,449,000 -52,338,000 -45,810,000 -32,750,000 -26,072,000 -13,041,000   -51,753,000 -69,772,000 -70,153,000 -69,489,000 -69,011,000 -69,220,000 -69,239,000 -69,047,000 -68,396,000 -67,528,000 -66,844,000 -53,216,000 -53,224,000 -53,045,000   -88,749,000 -88,102,000 -88,100,000   -82,282,000 -80,440,000 -78,394,000 -76,510,000 -74,630,000 -72,949,000 -71,273,000 -69,587,000  -63,328,000 -60,722,000 -58,034,000 -55,631,000 -53,200,000 -50,995,000 -48,708,000 -47,234,000 -45,759,000 -44,653,000 -43,442,000 -42,336,000 -41,232,000 -40,121,000 -39,015,000 -35,979,000 -30,464,000 -30,469,000 -28,564,000 -28,585,000            
          net cash from financing activities
        -40,013,000 -86,892,000 -87,678,000 -102,852,000 -108,308,000 -123,656,000 -103,106,000 -43,539,000 -15,017,000 -117,412,000 -152,174,000 -138,220,000 -99,313,000 -69,865,000 -56,700,000 -50,566,000 -37,723,000 -34,155,000 -55,736,000 -72,753,000 -53,041,000 -71,221,000 -101,127,000 -49,837,000 -34,244,000 -37,262,000 83,680,000 -39,183,000 -241,682,000 140,677,000 -151,606,000 -60,800,000 -139,973,000 -72,295,000 -52,597,000 -125,891,000 -93,588,000 -163,505,000   -26,763,000 -122,863,000 -86,172,000   -17,195,000 -105,069,000 -130,020,000 -114,748,000 27,266,000 -83,251,000 -79,573,000 -77,772,000  -62,834,000 -64,477,000 -58,251,000 -73,847,000 -53,413,000 -53,398,000 249,793,000 -70,316,000 -64,090,000 -22,704,000 -43,871,000 -60,424,000 -41,319,000 -40,967,000 -39,111,000 -75,650,000 290,113,000 -8,511,000 -26,916,000 -43,457,000 -3,613,000 -27,033,000 -24,164,000 -42,168,000 -20,922,000 -21,242,000 -17,454,000 -35,515,000 -14,797,000 -14,797,000 -12,221,000 
          effect of exchange rate changes on cash and cash equivalents
        -7,000 33,000 -10,000 41,000 35,000                                                                                 
          net change in cash and cash equivalents
        -42,343,000 -23,269,000 39,477,000 -26,309,000 -55,649,000 -58,467,000 -8,274,000 69,746,000 74,144,000 -137,430,000 -87,656,000 13,649,000 -24,773,000 17,552,000 172,382,000 -22,102,000 5,788,000 17,792,000 66,862,000 3,306,000 -21,131,000 21,439,000 -971,000 5,483,000 -6,859,000 4,665,000 -23,398,000 25,023,000 -213,958,000 205,795,000 -12,870,000 22,461,000 22,008,000 -11,637,000 -21,064,000 -47,903,000 47,578,000 18,410,000 -29,000,000 20,384,000 -3,443,000 -2,505,000 -7,343,000 16,884,000 1,794,000 9,772,000 -4,606,000 5,039,000 -79,258,000 74,783,000 10,077,000 -19,883,000 394,000  -177,595,000 -84,569,000 -33,649,000 -39,934,000 8,135,000 -586,000 319,268,000 10,625,000 -24,801,000 12,914,000 -70,078,000 -65,779,000 -54,555,000 -32,907,000 -24,858,000 -91,641,000 345,478,000 14,778,000 -17,987,000 1,453,000 -23,140,000 4,003,000 342,000 -12,153,000 5,150,000 11,396,000 -6,716,000 -16,387,000 27,000,000 -3,020,000 -41,666,000 
          cash and cash equivalents at beginning of period
        71,212,000 136,962,000 59,813,000 296,023,000 122,403,000 55,574,000 36,482,000 244,150,000 6,756,000 39,782,000 33,431,000 24,601,000 93,654,000 28,283,000 273,528,000 339,562,000 21,556,000 244,875,000 1,118,000 36,789,000 32,054,000 31,177,000 
          cash and cash equivalents at end of period
        28,869,000 -23,269,000 39,477,000 -26,309,000 81,313,000 -58,467,000 -8,274,000 69,746,000 133,957,000 -137,430,000 -87,656,000 13,649,000 271,250,000 17,552,000 172,382,000 -22,102,000 128,191,000 17,792,000 66,862,000 3,306,000 34,443,000 21,439,000 -971,000 5,483,000 29,623,000 4,665,000 -23,398,000 25,023,000 30,192,000 205,795,000 -12,870,000 22,461,000 28,764,000 -11,637,000 -21,064,000 -47,903,000 87,360,000 18,410,000 -29,000,000 20,384,000 29,988,000 -2,505,000 -7,343,000 16,884,000 26,395,000 9,772,000 -4,606,000 5,039,000 14,396,000 74,783,000 10,077,000 -19,883,000 28,677,000 -9,303,000 -177,595,000 188,959,000 -33,649,000 -39,934,000 8,135,000 338,976,000 319,268,000 10,625,000 -24,801,000 34,470,000 -70,078,000 -65,779,000 -54,555,000 211,968,000 -24,858,000 -91,641,000 345,478,000 15,896,000 -17,987,000 1,453,000 -23,140,000 40,792,000 342,000 -12,153,000 5,150,000 43,450,000 -6,716,000 -16,387,000 27,000,000 28,157,000 -41,666,000 
          supplemental non-cash activity:
                                                                                             
          accounts payable for purchase of property, plant and equipment
        16,372,000  6,285,000 -5,644,000 17,532,000  4,247,000 613,000 18,917,000  2,624,000 -37,740,000 56,391,000  30,549,000 -4,600,000 21,876,000  734,000 -5,653,000 12,931,000  -3,190,000 -2,896,000 10,892,000  -4,123,000 -2,028,000 21,055,000  -1,703,000 2,391,000 15,621,000  1,771,000 267,000 10,376,000  2,929,000 -4,647,000 6,387,000  2,704,000 -6,456,000 16,313,000  -2,463,000 6,353,000 14,179,000  3,701,000 3,553,000 13,364,000 -14,783,000 17,424,000 18,314,000  -6,035,000 10,360,000 8,503,000  3,616,000 -15,962,000 26,867,000  -3,280,000 -9,420,000 32,876,000                  
          change in property, plant and equipment for reclamation assets
        13,002,000                                                                                     
          right-of-use assets acquired by operating lease
          2,159,000 1,571,000     316,000    1,192,000 99,000      83,000 195,000  142,000 25,179,000                                                         
          market value of common units issued under deferred compensation plan before tax withholding requirements
        9,766,000                                                                                     
          cash flows from operating activities:
                                                                                             
          net income
                                                                                            51,300,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                             
          depreciation, depletion and amortization
                                                                                             
          non-cash compensation expense
                                                                                             
          coal inventory adjustment to market
                                                                                             
          net loss on equity method investments
                                                                                             
          distributions from equity method investments
                                                                                             
          net gain on sale of property, plant and equipment
                                                                                             
          asset impairment
                                                                                             
          change in deferred income tax
                                                                                             
          change in fair value of digital assets
                                                                                             
          other non-cash change in digital assets
                                                                                             
          impairment loss on investments
                                                                                             
          changes in operating assets and liabilities:
                                                                                             
          trade receivables
                                                                                             
          other receivables
                                                                                             
          inventories
                                                                                             
          prepaid expenses and other assets
                                                                                             
          advance royalties
                                                                                             
          accounts payable
                                                                                             
          accrued taxes other than income taxes
                                                                                             
          accrued payroll and related benefits
                                                                                             
          pneumoconiosis benefits
                                                                                             
          workers' compensation
                                                                                             
          total net adjustments
                                                                                             
          net cash from operating activities
                                                                                             
          purchase of equity securities
                    -9,361,000                                                                       
          purchase of debt securities
         -78,000 -832,000                                                                                   
          jc resources acquisition
                 -64,999,000                                                                         
          proceeds from equipment financings
             54,626,000                                                                           
          payment of debt issuance costs
             -63,000   -632,000 -91,000 -11,653,000     -107,000 -6,000 -459,000 -45,000 -18,000 -5,758,000         -266,000 -1,188,000 -8,369,000 -6,664,000                                -891,000                
          payments for purchases of units under unit repurchase program
                 -1,223,000 -18,209,000             -17,641,000 -5,251,000                                                         
          payments for purchase of units and tax withholdings related to settlements under deferred compensation plans
                                                                                            
          cash settlement of grants under deferred compensation plans
                                                                                             
          excess purchase price over the contributed basis from jc resources acquisition
                 -7,251,000                                                                         
          cash retained by jc resources in acquisition
                 -2,933,000                                                                         
          supplemental cash flow information:
                                                                                             
          cash paid for interest
          2,736,000 19,948,000 3,247,000  3,238,000 17,777,000 3,248,000  2,169,000 18,067,000 2,175,000  1,202,000 16,252,000 1,254,000  1,228,000 16,723,000 2,094,000  3,349,000 18,804,000 4,533,000  3,183,000 17,508,000 3,240,000  1,863,000 16,939,000 2,995,000  2,210,000 6,761,000 4,708,000  5,321,000 9,877,000 4,996,000  4,192,000 13,835,000 2,137,000  3,197,000 13,929,000 3,255,000  3,978,000 13,754,000 3,906,000 4,486,000 13,456,000 4,224,000  5,497,000 13,375,000 4,058,000  3,930,000 11,518,000 3,906,000  4,608,000 11,427,000 4,699,000                  
          cash paid for income taxes
          4,959,000    5,200,000    4,660,000    6,440,000       6,000           3,000    4,000                      635,000 193,000 60,000                      
          market value of common units issued under deferred compensation plans before tax withholding requirements
          17,068,000  2,314,000 32,566,000  1,000,000 27,906,000          3,837,000  17,415,000  6,142,000                                                     
          equity method investment loss
                                                                                             
          payments for tax withholdings related to settlements under deferred compensation plans
              -2,252,000 -13,292,000 -1,014,000 -9,320,000                                                                         
          ​
                                                                                             
          borrowings from line of credit
                         2,110,000 1,400,000 1,830,000                                                                 
          payment on line of credit
                                                                                             
          payments for acquisitions of businesses
                                                                                             
          escrow deposit for oil & gas reserve acquisition
                                                                                             
          oil & gas reserve acquisition
                  -9,967,000 -1,135,000 -2,800,000                                                                         
          payments on finance lease obligations
                  -28,000 -28,000 -278,000 -217,000 -213,000 -207,000 -203,000 -198,000 -193,000 -190,000 -185,000 -164,000 -161,000 -6,533,000 -1,510,000 -23,455,000 -6,716,000 -9,213,000 -7,341,000                                                         
          equity investment income
                                                                                             
          goodwill impairment
                                                                                             
          cash settlement of grants under deferred compensation plan
                                                                                             
          increase in accounts payable and accrued liabilities
                      30,549,000 -4,600,000 13,551,000          -4,123,000 -2,028,000 6,470,000 -1,724,000 -1,703,000 2,391,000 -15,000 3,222,000 1,771,000 267,000 2,144,000                                                 
          distributions received from investments in excess of cumulative earnings
                      340,000 -84,000 131,000 -145,000 94,000 633,000 361,000 147,000 290,000 409,000 142,000 192,000 -49,000 98,000 2,260,000 788,000 494,000 455,000 736,000 582,000                                                    
          payment for acquisition of business
                                                                                             
          escrow deposit for oil & gas reserve acquisitions
                                                                                             
          asset retirement obligations
                                                                                             
          income from equity securities paid-in-kind
                                                                                             
          acquisition gain
                                                                                             
          cash received on redemption of equity securities in excess of investment
                                                                                             
          valuation allowance of deferred tax assets
                                                                                             
          payments for acquisitions of businesses, net of cash acquired
                                                -46,875,000                                           
          cash received from redemption of equity securities
                                 134,288,000                                                         
          payments for taxes related to net settlement of issuance of units in deferred compensation plans
                                                                                           
          net loss on sale of property, plant and equipment
                                                                                             
          decrease in accounts payable and accrued liabilities
                                             3,563,000                                                
          cash contributions by general partner
                                                                                             
          cash contribution by affiliated entity
                                                                                           
          cash obtained in simplification transactions
                                                                                           
          fair value of liabilities assumed in acquisition of business
                                                                                             
          net settlement of withholding taxes on issuance of units in deferred compensation plans
                                -1,310,000 -7,817,000 -2,081,000                                                     
          acquisition of businesses:
                                                                                             
          fair value of assets assumed
                                  145,172,000 484,303,000              233,353,000 3,571,000 36,272,000                                        
          previously held equity-method investments
                                  -307,322,000                                                         
          cash paid, net of cash acquired
                                  -145,172,000 -175,060,000                                                         
          fair value of liabilities assumed
                                  1,921,000              186,478,000 3,571,000 8,194,000                                        
          debt extinguishment loss
                                                                                             
          purchase of equity security
                                                                                             
          payment on term loan
                                                                                             
          payment on long-term debt
                                                                                         
          payment for debt extinguishment
                                                                                           
          contributions to consolidated company from affiliate noncontrolling interest
                                         251,000 457,000 1,257,000 504,000 796,000                                             
          proceeds from equipment financing
                                                                                            
          payments on equipment financing
                                  -768,000                                                           
          cash contribution by general partner
                                                                                             
          assets acquired by finance lease
                                                                                             
          payment for acquisition of business, net of cash acquired
                                   -175,060,000                                                         
          escrow payment for wing acquisition
                                                                                             
          acquisition of business:
                                                                                             
          non-cash investing and financing activity:
                                                                                             
          due to/from affiliates
                                                                                             
          payment for acquisition of customer contracts
                                                                                            
          payments on term loan
                                           -50,000,000   -6,250,000                                             
          borrowings under long-term debt
                                                                                           
          proceeds on capital lease transactions
                                                                                           
          payments on capital lease obligations
                                     -7,247,000 -7,154,000 -7,978,000 -6,974,000 -6,885,000 -6,797,000 -6,711,000 -6,678,000 -6,687,000   -4,871,000 -3,318,000 -327,000   -381,000 -379,000 -376,000 -358,000 -304,000 -302,000 -300,000 -284,000  -234,000 -171,000  -216,000 -213,000 -166,000                          
          cash contributions by general partners
                                     41,000 200,000 905,000 1,000,000 47,000 1,500,000 95,000 1,500,000 111,000 2,200,000 114,000 150,000 87,000 43,000 31,000                 
          payment for purchase of units under unit repurchase program
                                      -13,431,000                                                       
          assets acquired by capital lease
                                      835,000      1,095,000                   3,525,000                          
          equity investment (income) loss
                                                                                             
          distributions received from investments
                                                                                             
          paid-in-kind distributions received from cost investment
                                                                                             
          contributions to equity investments
                                                                                             
          purchase of cost investment
                                                                                            
          advances/loans to affiliate
                                                       -4,969,000 -888,000 -1,643,000  -1,453,000 -776,000                              
          net settlement of employee withholding taxes on vesting of long-term incentive plan
                                         -2,988,000   -1,336,000   -2,991,000 -3,015,000  -3,734,000 -2,324,000 -1,265,000 -791,000                  
          contributions to equity investments in affiliates
                                          -3,900,000 -3,300,000 -9,287,000                                                 
          market value of common units issued under long-term incentive and directors deferred compensation plans before tax withholding requirements
                                          8,149,000                                                 
          equity in (income) loss of affiliates
                                                                                             
          workers’ compensation
                                                                                             
          proceeds from insurance settlement for property, plant and equipment
                                                                                           
          payments to affiliate for acquisition and development of coal reserves
                                                     -2,681,000 -1,401,000 -3,954,000 -2,458,000 -6,796,000 -12,064,000                                 
          purchases of equity investments in affiliates
                                                -20,168,000 -16,916,000 -16,867,000                                           
          market value of common units issued under long-term incentive and directors deferred compensation plans before minimum statutory tax withholding requirements
                                              3,642,000  7,389,000  8,417,000  8,583,000 11,070,000                              
          contingent consideration
                                                                                             
          settlement of pre-existing relationships
                                                                                             
          previously held equity-method investment
                                                                                             
          changes in accounts payable and accrued liabilities
                                                -6,247,000 72,000 2,704,000 -6,456,000 659,000 -2,415,000 -2,463,000 6,353,000 -3,745,000 -2,694,000 3,701,000 3,553,000 -7,608,000  17,423,000 -6,664,000 11,129,000 6,035,000 -688,000 -4,836,000 -1,182,000 3,615,000 -15,961,000 6,048,000 643,000 -3,280,000 -9,420,000 17,784,000 -1,293,000 7,983,000 -111,000 3,467,000 2,203,000 -1,982,000 -1,512,000 -5,803,000 3,974,000 588,000 -1,219,000 -567,000      
          borrowings under revolving credit facility
                                                105,000,000           32,000,000 45,000,000 95,000,000                                
          payments under revolving credit facility
                                                -40,000,000           -40,000,000 -50,000,000                                 
          equity in loss of affiliates
                                                                                             
          net cash provided by operating activities
                                                                                             
          payments for acquisitions of businesses, net of cash acquired –
                                                                                             
          payments on term loans
                                                 -88,183,000                                            
          proceeds on capital lease transaction
                                                                                             
          contribution to consolidated company from affiliate noncontrolling interest
                                                  336,000 814,000 333,000                                         
          cash paid
                                                  -46,875,000                                           
          disposition of property, plant and equipment:
                                                                                             
          net change in assets
                                                                                            
          book value of liabilities transferred
                                                                                            
          gain recognized
                                                                                            
          asset impairment charge
                                                                                             
          due to affiliates
                                                                                             
          payments from affiliate
                                                                                            
          borrowings under term loan
                                                                                            
          purchases of equity investments in affiliate
                                                      -25,250,000 -30,000,000 -30,000,000 -15,000,000 -17,800,000 -29,700,000                                 
          payments under term loan
                                                      -6,250,000                                       
          purchase of equity investments in affiliate
                                                              -26,200,000 -4,400,000                              
          payments to affiliate for development of coal reserves
                                                              -16,601,000 -18,000,000                              
          loss on retirement of vertical hoist conveyor system
                                                                                             
          net (gain) loss on foreign currency transaction
                                                                                             
          net (gain) loss on sale of property, plant and equipment
                                                                                             
          due to (from) affiliates
                                                                                             
          purchase of marketable securities
                                                                                  -259,000 -1,000 -14,452,000 -4,735,000 -24,342,000 -14,733,000 -14,646,000 -9,727,000 -44,302,000 
          proceeds from marketable securities
                                                                                260,000 154,000 24,325,000 29,422,000 14,596,000 24,575,000 14,615,000 14,678,000 9,721,000 9,865,000 
          payments on capital lease obligation
                                                                    -82,000 -82,000 -81,000 -79,000 -90,000 -88,000 -87,000 -86,000 -96,000 -96,000 -93,000 -92,000 -95,000 -93,000 -91,000 -60,000          
          effect of currency translation on cash
                                                                    59,000 -51,000 -282,000 466,000 127,000 60,000                  
          purchase of equity investment in affiliate
                                                                                             
          payment for acquisition of coal reserves
                                                                                             
          receipts of prior advances on gibson rail project
                                                                 282,000 528,000  565,000 470,000 562,000  605,000 688,000 535,000  622,000 285,000 738,000              
          market value of common units issued under long-term incentive plan before minimum statutory tax withholding requirements
                                                                                            
          market value of common units issued for long-term incentive plan before minimum statutory tax withholding requirements
                                                                   6,572,000                          
          gain from sale of coal reserves
                                                                                             
          proceeds from sale of coal reserves
                                                                                           
          payment for acquisition of coal reserves and other assets
                                                                            -16,500,000 -13,300,000            
          receipts on prior advances on gibson rail project
                                                                                             
          proceeds from issuance of long-term debt
                                                                                           
          market value of common units vested in long-term incentive plan before minimum statutory tax withholding requirements
                                                                     3,396,000  2,333,000                  
          net gain on foreign currency transaction
                                                                                             
          gain from insurance recoveries for property damage
                                                                                             
          gain from insurance settlement proceeds received in a prior period
                                                                                             
          proceeds from insurance settlement for replacement assets
                                                                                           
          advances on gibson rail project
                                                                                -2,300,000 -24,000            
          non-cash contribution by general partner
                                                                                             
          minority interest expense
                                                                                             
          cumulative effect of accounting change
                                                                                             
          payments for acquisition of businesses
                                                                                             
          equity contribution received by mid-america carbonates, llc
                                                                                           
          cash paid for:
                                                                                             
          interest
                                                                             5,339,000 454,000 5,745,000  6,509,000 32,000 6,042,000  6,777,000 70,000 6,864,000  7,547,000 67,000 7,546,000  
          income taxes
                                                                                 1,525,000 650,000          
          non-cash investing activity:
                                                                                             
          purchase of property, plant and equipment
                                                                             7,983,000 -110,000 8,512,000  -1,981,000 -1,513,000 6,337,000 3,974,000 589,000 -1,220,000 8,797,000 -31,544,000 -35,932,000 -26,127,000 -16,914,000 -14,385,000 
          cash contribution by general partners
                                                                              50,000  91,000          
          net (gain)/loss on sale of property, plant and equipment
                                                                                             
          loss on retirement of damaged vertical belt equipment
                                                                                             
          minority interest
                                                                                             
          contributions by general partners
                                                                                             
          payment of debt issuance cost
                                                                                            
          advance on gibson rail project
                                                                                   -1,754,000          
          distributions to partners
                                                                                   -27,064,000 -24,166,000 -24,168,000 -21,232,000 -21,242,000 -17,597,000 -17,515,000 -14,797,000 -14,797,000 -12,224,000 
          long-term incentive plan
                                                                                             
          reclamation and mine closings
                                                                                             
          proceeds from assumption of liability
                                                                                            
          cash paid for taxing authorities
                                                                                             
          non-cash activity:
                                                                                             
          asset acquired by capital lease
                                                                                             
          market value of common units issued to long-term incentive plan participants upon vesting
                                                                                             
          payments for acquisition of business
                                                                                             
          payment of long-term debt
                                                                                             
          income taxes to taxing authorities
                                                                                     875,000 1,025,000  775,000 1,650,000 250,000  
          non-cash investing activity
                                                                                             
          payment for purchase of river view coal, llc
                                                                                             
          purchase of warrior coal
                                                                                             
          proceeds from common unit offering to public
                                                                                             
          payments on warrior coal revolving credit balance
                                                                                             
          borrowings under revolving credit and working capital facilities
                                                                                             
          payments under revolving credit and working capital facilities
                                                                                             
          accrued pneumoconiosis benefits
                                                                                             
          cash paid to taxing authorities
                                                                                             
          payments on warrior coal revolving credit agreement balance
                                                                                             
          borrowings under revolving credit facility and working capital facilities
                                                                                             
          payments under revolving credit facility and working capital facilities
                                                                                             
          2.
                                                                                             
          adjustments:
                                                                                             
          managing general partner’s incentive distributions
                                                                                             
          general partners’ 2% equity ownership
                                                                                             
          portion applicable to warrior coal loss prior to its acquisition on february 14, 2003
                                                                                             
          limited partners’ interest in net income
                                                                                             
          weighted-average limited partner units – basic
                                                                                             
          basic net income per limited partner unit
                                                                                             
          units contingently issuable:
                                                                                             
          restricted units for long-term incentive plan
                                                                                             
          directors’ compensation units deferred
                                                                                             
          supplemental executive retirement plan
                                                                                             
          weighted-average limited partner units, assuming dilutive effect of restricted units
                                                                                             
          diluted net income per limited partner unit