7Baggers
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 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 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 2012-12-31 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 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-06-30 2008-03-31 2007-09-30 2007-06-30 2007-03-31 2006-09-30 2006-06-30 2006-03-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 
      
                                                                                     
      assets
                                                                                     
      current assets
                                                                                     
      cash and cash equivalents
    31,019,000 30,344,000 30,876,000 30,444,000 30,900,000 32,340,000 10,990,000 11,989,000 18,411,000 10,730,000 17,655,000 39,091,000 60,937,000 59,356,000 135,590,000 135,520,000 118,989,000 97,908,000 96,767,000 99,790,000 115,573,000 110,828,000 100,506,000 98,265,000 99,636,000 70,850,000 112,374,000 101,839,000 63,387,000 52,975,000 21,152,000 29,827,000 121,244,000 40,783,000 112,945,000 40,371,000 92,391,000 21,391,000 51,773,000 61,156,000 27,525,000 33,275,000 50,076,000 78,126,000 70,013,000 54,826,000 92,513,000 99,675,000 105,204,000 76,153,000 149,424,000 122,419,000 121,974,000 107,404,000 214,922,000 150,112,000 145,705,000 69,008,000 95,506,000 72,240,000 62,856,000 82,634,000 60,880,000 81,495,000 101,109,000 60,454,000 54,320,000 54,377,000 54,454,000 55,617,000 60,784,000 52,620,000 67,368,000 49,457,000 50,760,000 47,103,000 42,103,000 36,286,000 21,559,000 29,996,000 24,320,000 
      accounts receivable
    30,442,000 29,048,000 31,387,000 31,469,000 36,886,000 30,624,000 33,874,000 41,086,000 38,569,000 37,120,000 36,513,000 42,701,000 34,726,000 37,288,000 32,729,000 24,538,000 23,231,000 15,322,000 15,920,000 12,322,000 17,462,000 22,044,000 34,113,000 30,869,000 27,447,000 28,553,000 37,023,000 32,024,000 55,734,000 59,312,000 55,651,000 47,026,000 48,788,000 53,997,000 44,470,000 43,202,000 44,139,000 40,815,000 50,167,000 54,888,000 54,230,000 52,323,000 66,455,000 33,954,000 34,718,000 38,506,000 33,737,000 30,639,000 29,995,000 34,591,000 35,116,000 36,761,000 33,029,000 34,075,000 30,923,000 34,538,000 31,728,000 32,041,000 26,195,000 28,974,000 28,268,000 27,141,000 29,873,000 26,293,000 34,626,000 32,851,000 30,785,000 30,003,000 25,607,000 27,113,000 24,332,000 22,051,000 21,956,000 18,099,000 18,446,000 17,473,000 15,058,000 14,472,000 14,198,000 12,934,000 9,553,000 
      other current assets
    455,000 1,329,000 2,137,000 1,961,000 1,483,000 3,114,000 3,494,000 2,218,000 2,570,000 2,865,000 3,216,000 1,822,000 1,228,000 3,204,000 3,510,000 2,723,000 1,010,000 4,038,000 3,021,000 5,080,000 3,972,000                                                             
      total current assets
    61,916,000 60,721,000 64,400,000 63,874,000 69,269,000 66,078,000 48,358,000 55,293,000 59,550,000 50,715,000 57,384,000 83,614,000 96,891,000 99,848,000 171,829,000 162,781,000 143,230,000 117,268,000 115,708,000 117,192,000 137,007,000 137,803,000 135,785,000 132,084,000 143,709,000 121,275,000 171,869,000 242,543,000 134,368,000 125,854,000 89,047,000 91,396,000 186,462,000 107,096,000 195,257,000 104,252,000 160,965,000 196,649,000 121,129,000 133,004,000 99,927,000 101,393,000 136,118,000 123,526,000 115,040,000 105,681,000 135,607,000 139,145,000 152,893,000 124,524,000 196,195,000 169,475,000 168,426,000 155,151,000 256,815,000 197,383,000 182,584,000 108,391,000 130,526,000 109,261,000 97,229,000 115,047,000 93,218,000 112,398,000 138,474,000 104,804,000 93,713,000 91,866,000 87,459,000 90,100,000 85,482,000 75,269,000 89,889,000 67,598,000 69,497,000 65,112,000  50,796,000 36,222,000 43,749,000  
      land
    24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,008,000 24,809,000 24,809,000 24,809,000 25,247,000 25,261,000 25,272,000 12,591,000 25,252,000 25,020,000 25,020,000 25,022,000 25,022,000 25,243,000 25,243,000 25,243,000 24,338,000 24,340,000 24,340,000 24,340,000 24,340,000 24,340,000 24,340,000 24,340,000 24,515,000 24,515,000 24,534,000 24,534,000 24,533,000 24,543,000 24,543,000 24,543,000 24,343,000 24,343,000 24,343,000 24,343,000 24,343,000 24,343,000 24,343,000 24,343,000 24,532,000 24,522,000 24,522,000 12,461,000 12,436,000 12,731,000 14,110,000 14,110,000 14,110,000 13,721,000 13,721,000 13,721,000 13,532,000 13,532,000 
      mineral rights
    369,902,000 373,717,000 377,245,000 379,638,000 382,274,000 387,053,000 390,176,000 394,483,000 400,548,000 404,741,000 408,371,000 412,312,000 421,351,000 428,505,000 433,965,000 437,697,000 442,454,000 447,155,000 451,610,000 460,373,000 465,870,000 468,863,000 603,208,000 605,096,000 733,154,000 736,413,000 739,570,000 743,112,000 869,106,000 873,716,000 878,845,000 883,885,000 890,610,000 895,642,000 895,071,000 908,192,000 924,181,000 946,355,000 1,094,027,000 1,144,809,000 1,788,454,000 1,773,449,000 1,781,852,000 1,385,919,000 1,391,439,000 1,395,321,000 1,405,455,000 1,382,864,000 1,360,386,000 1,375,972,000 1,380,428,000                               
      intangible assets
    12,332,000 12,381,000 12,602,000 12,924,000 13,109,000 13,143,000 13,340,000 13,682,000 14,014,000 14,432,000 14,613,000 14,713,000 15,168,000 15,634,000 16,019,000 16,130,000 16,243,000 16,742,000 17,131,000 17,459,000 17,601,000 17,608,000 17,607,000 17,687,000 40,461,000 41,008,000 41,754,000 42,513,000 46,998,000 47,924,000 48,769,000 49,554,000 50,370,000 51,226,000 3,065,000 3,236,000 3,239,000 3,470,000 56,927,000 58,269,000 59,182,000 59,713,000 60,733,000 58,696,000 59,549,000 66,102,000 66,950,000 68,110,000 69,064,000 69,808,000 70,811,000 71,900,000 72,972,000 74,209,000 75,164,000 109,885,000 156,775,000 159,281,000 161,931,000 160,751,000 163,794,000 165,160,000 162,779,000 163,610,000 131,993,000 104,691,000 105,674,000 111,179,000 111,511,000 107,027,000            
      equity in unconsolidated investment
    253,717,000 258,498,000 261,286,000 257,355,000 267,806,000 265,935,000 268,634,000 276,549,000 282,491,000 290,900,000 295,361,000 306,470,000 284,806,000 280,300,000 280,156,000 276,004,000 277,309,000 266,433,000 261,299,000 262,514,000 256,834,000 252,420,000 261,224,000 263,080,000 258,063,000 251,135,000 249,936,000 247,051,000 242,901,000 245,524,000 241,679,000 245,433,000 245,382,000 248,919,000 252,803,000 255,901,000 257,661,000 259,778,000 261,942,000 262,347,000 263,619,000 262,722,000                                        
      long-term contract receivable
    21,197,000 21,973,000 22,734,000 23,480,000 24,212,000 24,929,000 25,632,000 26,321,000 26,997,000 27,659,000 28,309,000 28,946,000 29,570,000 30,182,000 30,783,000 31,371,000 31,948,000 32,514,000 32,726,000 33,264,000 33,791,000 34,309,000 34,816,000 36,963,000 37,473,000                                                         
      other long-term assets
    10,482,000 10,668,000 10,198,000 11,628,000 9,187,000 8,412,000 8,034,000 7,540,000 7,601,000 7,804,000 7,622,000 7,068,000 7,216,000 4,664,000 5,528,000 5,832,000 5,814,000 6,085,000 6,678,000 7,067,000 7,447,000                                                             
      total assets
    753,554,000 761,966,000 772,473,000 772,907,000 789,865,000 789,558,000 778,182,000 797,876,000 815,209,000 820,259,000 835,668,000 877,131,000 879,010,000 883,141,000 962,288,000 953,823,000 941,006,000 910,205,000 909,160,000 921,877,000 942,558,000 943,565,000 1,083,422,000 1,085,907,000 1,243,904,000 1,219,443,000 1,272,171,000 1,341,647,000 1,411,934,000 1,411,806,000 1,377,206,000 1,389,164,000 1,495,513,000 1,429,052,000 1,509,250,000 1,444,681,000 1,521,406,000 1,585,086,000 1,684,075,000 1,766,394,000 2,385,105,000 2,393,925,000 2,444,724,000 1,938,544,000 1,938,808,000 1,946,643,000 1,991,856,000 1,950,635,000 1,975,851,000 1,985,371,000 1,764,672,000 1,713,678,000 1,694,360,000 1,671,874,000 1,665,649,000 1,676,264,000 1,792,700,000 1,718,295,000 1,664,036,000 1,603,002,000 1,544,833,000 1,523,590,000 1,510,123,000 1,508,085,000 1,459,228,000 1,305,937,000 1,307,104,000 1,297,335,000 1,298,685,000 1,288,096,000 781,368,000 723,846,000 729,713,000 661,196,000 618,273,000 622,690,000  600,856,000 593,957,000 607,297,000  
      liabilities and capital
                                                                                     
      current liabilities
                                                                                     
      accounts payable
    886,000 930,000 1,455,000 909,000 984,000 933,000 1,514,000 885,000 1,143,000 1,524,000 1,452,000 1,992,000 2,179,000 1,969,000 1,896,000 1,956,000 1,474,000 1,293,000 1,375,000 1,385,000 1,372,000 1,228,000 1,272,000 1,179,000 1,591,000 1,211,000 1,797,000 548,000 7,467,000 7,801,000 5,911,000 6,957,000 5,812,000 5,257,000 6,538,000 6,234,000 6,223,000 5,260,000 8,465,000 11,377,000 16,692,000 16,862,000                             817,000 659,000 715,000 681,000 479,000 304,000 576,000 317,000 195,000 401,000 423,000 
      accrued liabilities
    8,313,000 7,649,000 5,098,000 12,121,000 7,912,000 7,225,000 5,064,000 12,987,000 6,511,000 5,715,000 3,466,000 11,916,000 5,913,000 5,507,000 3,388,000 10,297,000 6,228,000 5,746,000 4,853,000 7,733,000 6,859,000 6,027,000 6,004,000 8,764,000 7,290,000 6,856,000 6,200,000 12,347,000 14,005,000 12,848,000 11,409,000 16,890,000 28,659,000 37,213,000 33,509,000 41,587,000 44,816,000 33,837,000 45,735,000 54,895,000 45,924,000 50,772,000                                        
      accrued interest
    492,000 169,000 556,000 302,000 775,000 319,000 995,000 584,000 1,224,000 625,000 1,252,000 989,000 4,227,000 1,050,000 8,463,000 1,213,000 8,685,000 1,423,000 8,847,000 1,714,000 9,273,000 2,026,000 9,376,000 2,316,000 14,364,000 7,201,000 4,312,000 14,345,000 5,540,000 14,609,000 5,706,000 15,484,000           18,216,000 20,376,000 15,412,000 21,557,000 17,184,000 7,667,000 9,689,000 8,340,000 10,265,000 7,990,000 10,603,000 7,866,000 10,761,000 8,101,000 11,679,000 2,777,000 9,811,000 2,842,000 3,164,000 10,300,000 3,362,000 10,328,000 3,274,000 6,011,000 3,356,000 3,680,000 6,443,000 3,412,000 3,771,000 2,751,000 3,440,000 2,820,000 435,000 2,513,000 266,000 2,447,000 267,000 2,697,000 681,000 
      current portion of deferred revenue
    5,005,000 4,667,000 4,949,000 4,341,000 5,823,000 4,449,000 5,635,000 4,599,000 6,399,000 6,823,000 7,450,000 6,256,000 8,886,000 11,475,000 15,420,000 11,817,000 11,201,000 10,293,000 10,555,000 11,485,000 11,035,000 8,857,000 6,021,000 4,608,000 5,047,000 6,579,000 4,614,000 3,509,000 1,403,000 2,732,000 1,554,000                                                   
      current portion of long-term debt
    14,246,000 14,228,000 14,210,000 14,192,000 14,226,000 14,214,000 14,202,000 30,785,000 36,780,000 36,743,000 39,055,000 39,076,000 89,989,000 39,070,000 39,046,000 39,102,000 39,082,000 39,060,000 39,042,000 39,055,000 39,072,000 45,786,000 45,767,000 45,776,000 45,789,000 46,040,000 46,024,000 115,184,000 75,201,000 75,188,000 79,723,000 79,740,000 174,138,000 173,901,000 263,502,000 138,903,000 158,597,000 157,996,000 80,983,000 80,983,000 155,983,000 155,983,000 80,983,000 80,983,000 80,983,000 80,983,000 80,983,000 56,175,000 59,175,000 58,858,000 87,230,000 87,230,000 87,230,000 52,230,000 30,801,000 30,801,000 30,801,000 31,518,000 31,518,000 31,518,000 32,235,000 32,235,000 32,235,000 32,235,000 32,235,000 17,234,000 17,234,000 17,234,000 9,542,000 9,542,000 9,350,000 9,350,000 9,350,000 9,350,000 9,350,000 9,350,000 9,350,000 9,350,000 9,350,000 9,350,000 9,350,000 
      total current liabilities
    28,942,000 27,643,000 26,268,000 31,865,000 29,720,000 27,140,000 27,410,000 49,840,000 52,057,000 51,430,000 52,675,000 60,229,000 111,194,000 59,071,000 68,213,000 64,385,000 66,670,000 57,815,000 64,672,000 61,372,000 67,611,000 63,924,000 68,440,000 62,708,000 74,255,000 68,545,000 63,674,000 148,746,000 104,224,000 114,631,000 106,399,000 120,549,000 209,737,000 217,411,000 305,049,000 188,017,000 211,300,000 277,819,000 136,647,000 149,821,000 219,538,000 224,553,000 147,931,000 128,050,000 122,466,000 125,392,000 123,388,000 83,249,000 87,384,000 82,764,000 117,815,000 112,203,000 113,852,000 74,813,000 59,493,000 53,691,000 59,939,000 51,033,000 56,930,000 48,361,000 49,699,000 57,388,000 57,248,000 52,067,000 63,508,000 37,005,000 30,505,000 32,726,000 27,542,000 25,433,000 23,438,000 21,442,000 22,395,000 17,948,000 14,717,000 17,140,000  16,531,000 13,859,000 16,511,000  
      deferred revenue
    52,514,000 51,275,000 51,979,000 55,814,000 53,912,000 40,433,000 38,348,000 38,356,000 35,076,000 36,815,000 38,833,000 40,181,000 35,882,000 40,811,000 39,126,000 50,045,000 48,232,000 51,793,000 50,853,000 50,069,000 50,980,000 53,431,000 54,065,000 47,213,000 43,587,000 43,290,000 52,473,000 49,044,000 40,885,000 17,136,000 14,622,000 100,605,000 106,391,000 110,885,000 46,008,000 44,931,000 40,050,000 42,608,000 80,812,000 79,242,000 80,706,000 79,052,000 160,260,000 153,931,000 149,685,000 146,328,000 142,586,000 136,677,000 133,297,000 127,894,000 123,506,000 123,689,000 118,373,000 109,373,000 113,303,000 108,093,000 122,707,000 114,943,000 109,509,000 96,272,000 80,031,000 67,018,000 51,060,000 49,064,000 46,266,000 39,012,000 38,699,000 31,461,000 28,571,000 24,555,000 15,884,000 15,259,000 14,219,000 13,795,000 15,498,000 15,710,000 15,847,000 13,144,000 13,262,000 15,122,000 15,054,000 
      long-term debt
    55,131,000 87,112,000 124,594,000 127,876,000 183,137,000 196,112,000 174,595,000 124,273,000 170,735,000 145,693,000 133,821,000 129,205,000 148,734,000 259,296,000 378,163,000 394,443,000 414,437,000 414,099,000 416,121,000 432,444,000 452,401,000 452,101,000 454,110,000 470,422,000 490,378,000 498,029,000 541,677,000 557,574,000 716,514,000 723,147,000 724,854,000 729,608,000 762,441,000 700,252,000 707,424,000 987,400,000 1,041,984,000 1,050,562,000 1,284,083,000 1,323,708,000 1,256,218,000 1,283,352,000 1,394,240,000 1,017,498,000 1,033,041,000 1,045,209,000 1,084,226,000 1,088,884,000 1,088,556,000 1,088,789,000 897,039,000 852,039,000 829,731,000 846,648,000 836,268,000 786,268,000 793,961,000 730,877,000 661,070,000 606,070,000 657,395,000 626,587,000 620,587,000 606,280,000 615,630,000 486,514,000 495,864,000 473,057,000 474,149,000 465,099,000 300,600,000 247,600,000 256,950,000 202,950,000 164,950,000 174,300,000 156,300,000 156,300,000 156,300,000 165,650,000 192,650,000 
      other non-current liabilities
    5,717,000 5,491,000 5,275,000 6,244,000 5,903,000 6,619,000 6,305,000 7,172,000 6,833,000 6,462,000 6,124,000 5,472,000 5,231,000 5,012,000 4,803,000 5,018,000 4,920,000 4,819,000 4,730,000 5,131,000 5,020,000 4,901,000 4,804,000 4,949,000 4,843,000 4,731,000 4,720,000 1,150,000 1,958,000 2,385,000 2,492,000 2,808,000 2,727,000 2,699,000 3,102,000 4,565,000 4,404,000 3,670,000 6,808,000 9,839,000 9,797,000 8,403,000 10,679,000 9,712,000 9,712,000 9,609,000 14,341,000                                   
      total liabilities
    142,304,000 171,521,000 208,116,000 221,799,000 272,672,000 270,304,000 246,658,000 219,641,000 264,701,000 240,400,000 231,453,000 235,087,000 301,041,000 364,190,000 490,305,000 513,891,000 534,259,000 528,526,000 536,376,000 549,016,000 576,012,000 574,357,000 581,419,000 585,292,000 613,063,000 614,595,000 662,544,000 756,514,000 863,581,000 857,299,000 848,367,000 953,916,000 1,081,296,000 1,068,704,000 1,191,735,000                                               
      commitments and contingencies
                                                                                     
      partners’ capital
                                                                                     
      common unitholders’ interest
    602,552,000 579,773,000 553,754,000 543,231,000 509,258,000 490,877,000 474,095,000 503,076,000 461,043,000 444,838,000 417,401,000 404,799,000 358,332,000 300,753,000 250,767,000 203,062,000 151,459,000 134,836,000 132,377,000 136,927,000 134,545,000 139,517,000 273,847,000 271,471,000 400,266,000 374,275,000 378,140,000 355,113,000 319,673,000 326,125,000 301,344,000 199,851,000 182,760,000 204,230,000 163,304,000 152,309,000 154,315,000 136,695,000 79,094,000 106,011,000 703,055,000 683,354,000                                        
      general partner’s interest
    10,913,000 10,496,000 10,013,000 9,547,000 8,891,000 8,568,000 7,721,000 8,005,000 7,196,000 6,913,000 6,400,000 5,977,000 5,054,000 3,904,000 2,909,000 1,787,000 754,000 434,000 394,000 459,000 428,000 546,000 3,305,000 3,270,000 5,909,000 5,387,000 5,476,000 5,014,000 4,293,000 4,427,000 3,924,000 1,857,000 1,508,000 1,946,000 1,111,000 887,000 928,000 568,000 -606,000 -60,000 12,122,000 11,721,000 12,245,000 10,212,000 10,124,000 10,050,000 10,069,000 10,362,000 10,872,000 11,283,000 10,026,000 10,013,000 10,162,000 10,354,000 10,517,000 11,995,000 13,750,000 13,868,000 14,132,000 14,450,000 12,886,000 13,409,000 13,717,000 14,218,000 13,086,000 13,658,000        9,653,000 9,439,000       
      accumulated other comprehensive loss
    -2,215,000   -1,670,000 -956,000 -1,038,000 -2,277,000               -2,258,000 -3,617,000 -2,594,000 -3,802,000 -3,282,000 -2,457,000 -3,462,000 -4,081,000 -4,872,000 -4,438,000 -3,313,000 -3,079,000 -2,811,000 -2,798,000 -1,666,000 -2,844,000 -2,235,000 -2,152,000 -2,350,000 -1,214,000 -1,424,000 -459,000 -272,000 -642,000 -479,000 -378,000 -297,000 -338,000 -389,000 -443,000 -456,000 -470,000 -483,000 -493,000 -507,000 -521,000 -534,000 -546,000 -560,000 -584,000 -597,000 -610,000 -623,000 -636,000 -673,000 -686,000 -712,000 -725,000 -738,000 -763,000 -776,000 -789,000 -815,000 -828,000 -841,000 -853,000 -864,000 -878,000 -891,000 -905,000 
      total partners’ capital
    611,250,000 590,445,000 564,357,000  517,193,000 498,407,000 484,343,000  503,327,000 499,760,000 470,899,000  413,382,000 354,364,000 307,396,000  226,820,000 205,673,000 200,641,000 204,524,000 201,959,000 204,621,000 340,351,000 338,963,000 469,189,000 443,196,000 447,975,000 423,481,000 386,701,000 392,496,000 367,646,000 265,211,000 248,005,000 203,365,000 161,617,000 151,530,000 152,399,000 135,028,000 76,336,000 103,601,000 713,963,000 693,651,000 720,155,000 622,466,000 617,833,000 614,632,000 616,789,000 632,844,000 658,306,000 678,833,000 617,447,000 616,832,000 624,603,000 634,157,000 644,915,000 717,781,000 805,532,000 812,019,000 825,180,000 843,610,000 752,082,000 765,226,000 775,634,000 795,667,000 730,053,000 737,062,000 738,225,000 754,453,000 763,147,000 769,392,000 437,766,000 436,298,000 433,540,000 421,001,000 418,739,000 412,125,000  412,636,000 408,917,000 408,760,000  
      total liabilities and partners' capital
    753,554,000 761,966,000 772,473,000 772,907,000 789,865,000 789,558,000 778,182,000 797,876,000 815,209,000 820,259,000 835,668,000 877,131,000 879,010,000 883,141,000 962,288,000 953,823,000 941,006,000 910,205,000 909,160,000                                                               
      accumulated other comprehensive income
     176,000 590,000     -3,122,000 2,245,000 45,000 -866,000 18,717,000 2,032,000 1,743,000 5,756,000 3,211,000 7,791,000 3,587,000 1,054,000 322,000 170,000                                                             
      class a convertible preferred units
         20,847,000 47,181,000 47,181,000 47,181,000 80,099,000 133,316,000 164,587,000 164,587,000 164,587,000 164,587,000 183,908,000 179,927,000 176,006,000 172,143,000 168,337,000 164,587,000 164,587,000 164,587,000 164,587,000 164,587,000 164,587,000 164,587,000 164,587,000 164,587,000 164,587,000 164,587,000 173,431,000                                                  
      warrant holders’ interest
          4,804,000 23,095,000 32,843,000 47,964,000 47,964,000 47,964,000 47,964,000 47,964,000 47,964,000 47,964,000 66,816,000 66,816,000 66,816,000 66,816,000 66,816,000 66,816,000 66,816,000 66,816,000 66,816,000 66,816,000 66,816,000 66,816,000 66,816,000 66,816,000 66,816,000 66,816,000                                                  
      total partners' capital
       551,108,000    531,054,000    477,457,000    256,024,000                                                                  
      current assets of discontinued operations
                           1,706,000 988,000 984,000 998,000 993,000 988,000 988,000 991,000 991,000 991,000 991,000 991,000 991,000 991,000 113,218,000                                            
      current liabilities of discontinued operations
                           65,000 174,000 658,000 727,000 947,000   3,000 401,000 458,000 98,000 304,000 353,000 835,000 79,947,000                                            
      non-controlling interest
                          -2,935,000 -2,935,000 -2,935,000 -2,935,000 -2,935,000 -2,935,000 -2,935,000 -2,576,000 -3,394,000 -3,394,000 -3,394,000 -3,394,000 -3,394,000 -3,394,000 -3,394,000 -3,394,000 -3,394,000 -3,394,000 -2,150,000 -1,312,000 -650,000 -650,000 -650,000 -650,000 324,000 1,416,000 1,416,000 1,416,000 2,845,000 2,845,000 3,066,000 3,066,000 5,638,000 4,691,000 4,743,000 5,065,000 5,065,000 7,355,000                      
      total capital
                       204,524,000 201,959,000 204,621,000 337,416,000 336,028,000 466,254,000 440,261,000 445,040,000 420,546,000 383,766,000 389,920,000 364,252,000 261,817,000 244,611,000 199,971,000 158,223,000 148,136,000 149,005,000 131,634,000 72,942,000 100,207,000 711,813,000 692,339,000                                        
      total liabilities and capital
                       921,877,000 942,558,000 943,565,000 1,083,422,000 1,085,907,000 1,243,904,000 1,219,443,000 1,272,171,000 1,341,647,000 1,411,934,000 1,411,806,000 1,377,206,000 1,389,164,000 1,495,513,000 1,429,052,000 1,509,250,000 1,444,681,000 1,521,406,000 1,585,086,000 1,684,075,000 1,766,394,000 2,385,105,000 2,393,925,000                                        
      prepaid expenses and other
                         4,931,000 1,166,000 1,244,000 3,111,000 5,963,000 4,141,000 3,462,000 4,665,000 4,391,000 3,088,000 5,838,000 7,525,000 3,192,000 4,122,000 6,137,000 3,707,000 4,777,000 4,490,000 2,661,000 2,854,000 4,154,000                                        
      other assets
                         8,554,000 6,774,000 6,989,000 6,274,000 6,806,000 5,677,000 2,491,000 6,188,000 6,184,000 6,489,000 6,547,000 7,741,000 9,172,000 9,270,000 3,791,000 1,898,000 863,000 15,306,000 16,864,000 17,317,000 13,746,000 740,000 560,000 600,000 621,000 497,000 527,000 560,000 604,000 630,000 849,000 886,000 604,000 604,000 579,000 556,000 561,000 616,000 682,000 508,000 569,000 599,000 461,000 497,000 535,000 563,000 825,000 1,032,000 1,207,000 1,095,000 1,257,000 1,420,000 1,726,000 1,968,000 2,310,000 2,552,000 2,699,000 2,944,000 2,882,000 136,000 
      revenues and other income
                                                                                     
      coal royalty and other
                          31,433,000 191,069,000 39,919,000 64,616,000 49,502,000 178,394,000 42,459,000 48,711,000 45,973,000 158,399,000 49,078,000 36,914,000 34,994,000 144,520,000 27,504,000                                             
      transportation and processing services
                          2,509,000 19,279,000 3,865,000 5,274,000 5,601,000 23,887,000 6,853,000 5,002,000 5,383,000                                                   
      equity in earnings of ciner wyoming
                          6,272,000 47,089,000 13,818,000 11,333,000 11,682,000 48,306,000 8,836,000 16,529,000 9,621,000 40,457,000 8,993,000 8,389,000 10,294,000 40,061,000 10,753,000 10,188,000 49,918,000                                           
      gain on asset sales and disposals
                           6,498,000 6,107,000                                                         
      total revenues and other income
                          40,214,000 263,935,000 63,709,000 81,469,000 67,041,000 278,512,000 95,018,000 111,049,000 89,026,000 378,017,000 93,287,000 94,931,000 88,697,000 400,059,000 97,874,000 118,246,000 488,849,000 125,479,000 137,630,000 109,677,000 399,752,000 91,609,000 90,561,000 80,309,000 358,117,000 82,237,000                                  
      operating expenses
                                                                                     
      operating and maintenance expenses
                          5,202,000 32,738,000 5,994,000 12,459,000 8,360,000 17,894,000 35,134,000 38,301,000 29,968,000 126,982,000 32,441,000 31,020,000 29,628,000 119,621,000 31,242,000 29,797,000 155,959,000                                           
      depreciation, depletion and amortization
                          2,012,000 14,932,000 3,384,000 3,970,000 4,392,000 21,689,000 8,221,000 8,563,000 7,957,000 34,985,000 8,306,000 8,165,000 9,724,000 43,087,000 11,929,000 10,472,000 100,828,000 26,624,000 30,660,000 25,392,000 79,876,000 18,621,000 16,350,000 14,647,000 64,377,000 17,852,000 17,411,000 14,762,000 58,221,000 14,485,000 15,172,000 12,409,000 65,118,000 19,153,000 16,166,000 14,322,000 56,978,000 16,195,000 11,368,000 60,012,000 12,952,000 21,996,000 13,078,000 16,748,000 15,059,000 13,045,000 12,527,000 11,752,000 7,009,000 7,236,000 7,853,000         
      general and administrative expenses
                          3,913,000 16,730,000 4,253,000 4,196,000 4,350,000                                                       
      total operating expenses
                          11,127,000 212,614,000 14,115,000 20,625,000 17,102,000 85,974,000 48,952,000 54,192,000 44,968,000 194,042,000 46,756,000 44,527,000 51,655,000 214,314,000 58,967,000 47,505,000 966,760,000 701,769,000 81,710,000 69,260,000 210,833,000 36,582,000 40,158,000 27,870,000 121,881,000 30,613,000 31,472,000 31,804,000 111,982,000                               
      income from operations
                          29,087,000 51,321,000 49,594,000 60,844,000 49,939,000 192,538,000 46,066,000 56,857,000 44,058,000 183,975,000 46,531,000 50,404,000 37,042,000 185,745,000 38,907,000 70,741,000 -477,911,000 -576,290,000 55,920,000 40,417,000 188,919,000 55,027,000 50,403,000 52,439,000 236,236,000 51,624,000 55,332,000 62,528,000 267,165,000 65,643,000 63,492,000 64,824,000 104,135,000 -16,523,000 64,816,000 55,861,000 196,061,000 50,344,000 40,912,000 153,975,000 41,395,000 27,661,000 41,417,000 47,105,000 40,768,000 35,316,000 29,078,000 28,391,000 28,569,000 27,964,000 31,624,000 23,962,000 27,211,000 22,673,000 70,092,000 21,707,000 17,472,000 14,258,000 44,069,000 
      interest expense
                          -10,308,000 -47,453,000 -10,431,000 -12,456,000 -14,174,000 -70,178,000 -17,501,000 -17,734,000 -18,006,000 -82,902,000 -20,080,000 -20,377,000 -23,141,000 -90,047,000 -22,491,000 -22,054,000 -93,827,000 -23,711,000 -23,343,000 -22,943,000 -80,185,000 -18,862,000 -19,037,000 -19,860,000 -64,396,000 -15,516,000 -14,440,000 -14,663,000 -53,972,000 -13,677,000 -13,578,000 -13,560,000 -49,180,000 -12,779,000 -12,429,000 -10,587,000 -41,635,000 -10,204,000 -10,729,000 -40,108,000 -10,762,000 -10,675,000 -8,079,000 -7,064,000 -7,360,000 -7,124,000 -7,133,000 -7,327,000 -3,960,000 -3,675,000 -3,618,000 -2,889,000 -2,570,000 -2,457,000 -10,312,000 -2,417,000 -2,404,000 -3,136,000  
      net income from continuing operations
                          18,779,000 -25,414,000 39,163,000 19,106,000 35,765,000 122,360,000 28,565,000 39,123,000 26,088,000 89,208,000 26,499,000 49,817,000 16,971,000 95,214,000 16,419,000 48,633,000                                            
      income from discontinued operations
                           956,000 7,000 245,000 -46,000 17,687,000 -24,000 -34,000 -14,000 -541,000 -433,000 133,000 -207,000 1,678,000 7,112,000 -2,187,000                                            
      net income
                          18,779,000 -24,458,000 39,170,000 19,351,000 35,719,000 140,047,000 28,541,000 39,089,000 26,074,000 88,667,000 26,066,000 49,950,000 16,764,000 96,892,000 23,531,000 46,446,000 -571,720,000 -600,001,000 32,578,000 17,489,000 108,830,000 36,173,000 31,407,000 32,605,000 172,078,000 36,126,000 41,065,000 47,906,000 213,355,000 52,001,000 49,938,000 51,309,000 54,026,000 -29,286,000 52,352,000 45,282,000 154,461,000 40,153,000 30,191,000 114,080,000 30,651,000 17,082,000 33,420,000 40,353,000 33,852,000 28,928,000 22,631,000 21,881,000 25,274,000 25,044,000 28,524,000 21,465,000 24,972,000 20,447,000 58,994,000 19,368,000 15,128,000 11,174,000 36,907,000 
      less: income attributable to preferred unitholders
                          -7,500,000 -30,000,000 -7,500,000 -7,500,000 -7,500,000 -30,000,000 -7,500,000 -7,500,000 -7,500,000 -25,453,000 -7,650,000 -7,538,000 -2,500,000                                               
      net income attributable to common unitholders and general partner
                          11,279,000 -54,458,000 31,670,000 11,851,000 28,219,000 109,537,000 21,400,000 30,720,000 18,574,000 63,214,000 18,416,000 42,412,000 14,264,000                                               
      net income attributable to common unitholders
                          11,053,000 -53,369,000 31,036,000 11,614,000 27,655,000 107,346,000 20,972,000 30,105,000 18,203,000 61,950,000                                                  
      net income attributable to the general partner
                          226,000 -1,089,000 634,000 237,000 564,000 2,191,000 428,000 615,000 371,000 1,264,000                                                  
      income from continuing operations per common unit
                                                                                     
      basic
                          900 -4,430 2,530 930 2,260 7,350 1,710 2,460 1,490 5,110 1,510 3,380 1,170                                               
      diluted
                          520 -4,430 1,660 850 1,750 5,900 1,300 1,750 1,160 3,980 1,080 1,130 30                                               
      net income per common unit
                                                                                     
      comprehensive income from unconsolidated investment and other
                          -1,023,000 868,000 -520,000 -825,000 1,005,000 -149,000 791,000             -965,000                                        
      comprehensive income
                          17,756,000 -23,590,000 38,650,000 18,526,000 36,724,000 139,898,000 29,332,000 38,655,000 24,949,000 87,020,000 25,798,000 49,937,000 15,632,000 97,378,000  46,908,000 -573,413,000    108,749,000 36,543,000 31,243,000 32,504,000 172,143,000 36,167,000 41,116,000 47,960,000 213,405,000 52,015,000 49,951,000 51,319,000                            
      restricted cash
                            12,527,000 14,925,000 17,333,000 104,191,000                                      6,240,000 6,240,000 6,240,000 6,314,000 6,242,000            
      gain on litigation settlement
                               25,000,000                                                      
      asset impairments
                           148,214,000 484,000   18,280,000   242,000 3,031,000   1,778,000 16,926,000 5,697,000 91,000 681,594,000 626,838,000 3,803,000  26,209,000  5,624,000  734,000  443,000 291,000 2,568,000    161,336,000                           
      other incomes
                                                                                     
      debt modification expense
                                   -7,939,000  -132,000 -7,807,000                                               
      loss on extinguishment of debt
                           -29,282,000  -29,282,000      -4,107,000  -4,107,000                                                
      total other incomes
                           -76,735,000 -10,431,000 -41,738,000                                                        
      net income attributable to non-controlling interest
                                                                                     
      net income attributable to nrp
                           -24,458,000 39,170,000 19,351,000  139,537,000 28,900,000 38,220,000       23,531,000 46,446,000  -598,757,000 31,334,000 17,489,000                                        
      comprehensive income attributable to non-controlling interest
                                            -1,244,000                                         
      comprehensive income attributable to nrp
                           -23,590,000 38,650,000 18,526,000  139,388,000 29,691,000 37,786,000       22,922,000   -599,893,000 31,544,000 16,524,000                                        
      plant and equipment
                            762,000 825,000 893,000 984,000 48,148,000 47,917,000 47,237,000 46,170,000 47,584,000 48,822,000 48,579,000 49,443,000 52,516,000 55,763,000 61,239,000 71,194,000 77,287,000 78,584,000 60,093,000 22,839,000 24,035,000 25,168,000 26,435,000 27,703,000 29,268,000 30,834,000 32,401,000 33,968,000 42,967,000 54,416,000 46,185,000 49,228,000 57,438,000 60,429,000 62,348,000 63,701,000 62,274,000 64,267,000 69,087,000 71,130,000 66,489,000 66,680,000 63,163,000 61,650,000 55,245,000 49,069,000 25,070,000 5,760,000 5,842,000 6,011,000        
      net income (income) attributable to non-controlling interest
                                359,000                                                     
      comprehensive loss (income) attributable to non-controlling interest
                                359,000                                                     
      long-term contracts receivable
                             37,973,000 38,464,000 38,945,000 39,416,000 39,878,000 40,331,000 40,776,000 41,211,000 41,638,000                                                
      gain on asset sales
                             246,000 256,000 2,441,000 163,000 210,000 660,000 3,856,000 171,000 3,361,000 44,000 29,081,000 6,426,000 -1,071,000                                            
      accounts receivable—affiliates
                               34,000 22,000 140,000 94,000 161,000 243,000 292,000 7,605,000 6,658,000 7,057,000 8,616,000 6,864,000 7,450,000                                          
      long-term assets of discontinued operations
                                                                                     
      other assets—affiliate
                                   156,000 892,000 1,265,000 952,000 1,018,000 1,034,000 1,046,000 1,124,000 1,525,000                                          
      accounts payable—affiliates
                               1,866,000 608,000 1,453,000 2,093,000 562,000 670,000 942,000 1,196,000 940,000 829,000 779,000 1,464,000 2,566,000 939,000 936,000                                        
      accrued liabilities—affiliates
                                   515,000                                                  
      long-term liabilities of discontinued operations
                                                                                     
      other non-current liabilities—affiliate
                                   346,000                                                  
      coal royalty and other—affiliates
                               484,000 59,000 188,000 237,000 23,402,000 335,000 12,712,000 16,144,000 65,595,000 21,434,000                                             
      transportation and processing services—affiliate
                                                                                     
      operating and maintenance expenses—affiliates
                               11,615,000 2,414,000 4,065,000 2,465,000 9,534,000 2,154,000 2,219,000 2,555,000 10,925,000 4,062,000 2,402,000 16,031,000                                           
      amortization expense—affiliate
                                   1,008,000  240,000 768,000 3,185,000 902,000 704,000                                            
      general and administrative
                               12,838,000 2,249,000 2,414,000 3,405,000 13,513,000 2,648,000 2,031,000 6,078,000 16,979,000 4,268,000 3,173,000 7,036,000 5,140,000 2,234,000 7,454,000 36,437,000 7,664,000 9,029,000 5,857,000 36,821,000 7,305,000 8,878,000 11,586,000 29,714,000 8,225,000 7,029,000 8,950,000 29,553,000 5,521,000 6,439,000 10,196,000 29,893,000 8,761,000 6,548,000 23,102,000 4,586,000 5,834,000 7,506,000 6,890,000 4,149,000 3,687,000 5,559,000 6,634,000 3,475,000 3,420,000 4,115,000 3,527,000 3,162,000 3,312,000 11,503,000 2,523,000 2,422,000 2,711,000 8,923,000 
      general and administrative—affiliates
                               3,658,000 934,000 849,000 931,000 4,989,000 1,207,000 852,000 1,124,000 3,591,000 867,000 866,000 5,312,000 4,144,000 3,535,000 3,786,000                                        
      other income
                                 -17,734,000 -17,970,000 -94,767,000 -20,032,000 -587,000 -20,071,000 -90,531,000 -22,488,000 -22,108,000 -93,809,000 -23,711,000 -23,342,000 -22,928,000                                        
      interest expense—affiliate
                                       -523,000  -61,000                                            
      total other income
                               -70,178,000 -17,501,000                                                     
      less: net income attributable to non-controlling interest
                               -510,000  -869,000          1,244,000 -1,244,000                                         
      less: comprehensive income attributable to non-controlling interest
                               -510,000  -869,000                                                    
      inventory
                                9,572,000 8,048,000 8,071,000 7,553,000 7,671,000 7,841,000 7,624,000 6,893,000 7,160,000 7,832,000 7,835,000 6,849,000 7,126,000 5,790,000 5,814,000                                       
      construction aggregates
                                30,398,000 34,233,000 26,424,000 112,970,000 34,710,000 33,555,000                                                
      road construction and asphalt paving services
                                6,250,000 6,176,000 728,000                                                   
      add: comprehensive income from unconsolidated investment and other
                                 -434,000 -1,125,000 -1,647,000 -268,000 -13,000 -1,132,000 486,000 -609,000 462,000 -1,693,000 -1,136,000                                          
      interest income
                                  36,000 181,000 48,000 69,000 17,000 39,000 3,000 7,000 18,000  1,000 15,000 96,000 8,000 41,000 26,000 238,000 18,000 173,000 41,000 162,000 35,000 24,000 45,000 69,000 16,000 16,000 8,000 35,000 13,000 8,000 213,000 18,000 96,000 82,000 312,000 444,000 736,000 686,000 817,000 665,000 755,000 518,000 392,000 331,000 231,000 349,000 78,000 60,000 52,000 206,000 
      current assets:
                                                                                     
      intangible assets, net—affiliate
                                      49,043,000 49,811,000 50,668,000 51,570,000                                            
      long-term contracts receivable—affiliate
                                      42,619,000 43,785,000 44,224,000 44,572,000 47,359,000 48,520,000 49,236,000 49,610,000  50,411,000                                      
      current liabilities:
                                                                                     
      deferred revenue—affiliates
                                      68,735,000 71,632,000 74,663,000 78,793,000 82,853,000 83,654,000 87,116,000 86,315,000                                        
      partners’ capital:
                                                                                     
      revenues and other income:
                                                                                     
      transportation and processing
                                   14,510,000                                                  
      transportation and processing—affiliates
                                   6,012,000                                                  
      road construction and asphalt paving
                                   18,411,000                                                  
      operating expenses:
                                                                                     
      convertible preferred units
                                    169,606,000 160,377,000 159,292,000                                               
      warrant holders interest
                                    66,816,000                                                 
      warrant liabilities
                                     37,457,000 61,417,000                                               
      warrant issuance expense
                                      -5,709,000                                               
      fair value adjustments for warrant liabilities
                                     23,960,000 16,569,000                                               
      current assets held for sale
                                      17,500,000  5,520,000                                             
      vantacore
                                      27,221,000 120,802,000 31,757,000 31,642,000 139,013,000                                           
      non-current assets of discontinued operations
                                                                                     
      long-term debt, net—affiliate
                                          19,930,000 19,923,000 19,917,000 19,911,000                                        
      non-current liabilities of discontinued operations
                                                                                     
      net income attributable to limited partners:
                                                                                     
      continuing operations
                                       93,585,000 16,155,000 47,726,000                                            
      discontinued operations
                                       1,644,000 6,970,000 -2,143,000                                            
      total
                                       95,229,000 23,125,000 45,583,000                                            
      net income attributable to the general partner:
                                                                                     
      basic and diluted net income per common unit:
                                                                                     
      average number of common units outstanding
                                       12,232,000                                              
      weighted-average number of common units outstanding
                                        12,232,000 12,232,000 12,230,000 122,300,000 122,300,000 122,300,000 113,262,000    109,584,000    106,028,000                               
      less: comprehensive loss attributable to non-controlling interest
                                           1,244,000                                          
      coal and hard mineral royalty and other
                                         58,892,000                                            
      coal and hard mineral royalty and other—affiliates
                                         17,504,000                                            
      oil and gas royalty
                                         1,091,000                                            
      goodwill
                                           4,840,000 4,840,000 29,465,000 52,012,000                                       
      coal, hard mineral royalty and other
                                          156,638,000                                           
      coal, hard mineral royalty and other—affiliates
                                          89,715,000                                           
      oil and gas
                                          53,565,000                                           
      net income attributable to partners:
                                                                                     
      limited partners
                                          -559,492,000 -586,013,000 30,707,000 17,139,000 106,653,000 35,450,000 30,779,000 31,953,000 168,636,000 35,403,000 40,244,000 46,948,000 209,088,000 50,961,000 48,939,000 50,283,000 52,945,000 -28,700,000 51,305,000 44,376,000 125,925,000 39,350,000 16,864,000 78,954,000 25,161,000 4,804,000 21,598,000 30,562,000 25,853,000 22,902,000 18,145,000 17,779,000 21,483,000 21,848,000 25,608,000 19,999,000 23,464,000 19,390,000 57,008,000 18,646,000 14,685,000 10,915,000  
      general partner
                                          -12,228,000 -12,744,000 627,000 350,000 2,177,000 723,000 628,000 652,000 3,442,000 723,000 821,000 958,000 4,267,000 1,040,000 999,000 1,026,000 1,081,000 -586,000 1,047,000 906,000 2,570,000 803,000 344,000 1,611,000 513,000 98,000 441,000 6,647,000 5,215,000 4,119,000 3,074,000 2,819,000 2,641,000 2,253,000 2,095,000 1,103,000 1,155,000 830,000 1,705,000 605,000 394,000 247,000  
      basic and diluted net income per common unit
                                          -45,750 -4,790 250 140                                        
      coal related revenues
                                           35,469,000 28,562,000 30,421,000 226,724,000 65,193,000 55,361,000 52,373,000                                    
      coal related revenues—affiliates
                                           19,535,000 32,342,000 19,061,000                                        
      aggregates related revenues
                                           42,326,000 42,886,000 28,946,000 54,124,000                                       
      oil and gas related revenues
                                           12,416,000 14,839,000 15,230,000 59,566,000 9,601,000 17,822,000 10,058,000                                    
      equity in earnings of unconsolidated investment
                                           12,617,000 11,599,000 12,523,000                                        
      property taxes
                                           2,528,000 3,070,000 3,004,000 13,609,000 3,520,000 3,378,000 3,967,000 15,416,000 4,009,000 3,849,000 3,947,000 15,273,000 3,602,000 3,331,000 4,488,000 12,640,000 2,974,000 3,577,000 3,012,000 11,270,000 3,552,000 2,651,000 11,636,000 3,311,000 2,514,000 3,211,000 3,105,000 2,392,000 2,963,000 2,645,000 2,228,000 1,532,000 1,546,000 1,749,000 1,552,000 1,547,000 1,434,000 5,349,000 1,377,000 1,278,000 1,306,000 5,069,000 
      other
                                           588,000 4,332,000 492,000 4,279,000 899,000 1,291,000 1,585,000 1,691,000 281,000 4,097,000 802,000 1,042,000 218,000 526,000 632,000 832,000 391,000 438,000 743,000 910,000 197,000 771,000 930,000 254,000 704,000 668,000 491,000 786,000 237,000 514,000 791,000 307,000 590,000 565,000 36,000 285,000 536,000 786,000 38,000 465,000 819,000 1,186,000 
      costs and expenses:
                                                                                     
      coal related expenses
                                           649,000 504,000 1,321,000                                        
      coal related expenses—affiliates
                                           -68,000 109,000                                         
      aggregates related expenses
                                           31,107,000 32,800,000 22,407,000                                        
      oil and gas related expenses
                                           3,049,000 2,999,000 3,762,000                                        
      property, franchise and other taxes
                                           4,286,000 5,066,000 5,138,000 21,279,000 4,767,000 6,201,000 4,868,000 16,463,000 4,234,000 4,225,000 4,351,000 17,678,000 4,853,000 3,771,000 5,016,000 14,486,000 3,915,000 3,306,000 3,697,000 15,107,000 4,580,000 3,734,000 14,996,000 4,273,000 3,151,000 3,975,000 4,098,000 3,649,000 3,993,000 3,524,000 3,101,000 2,142,000 2,099,000 2,245,000 1,954,000 1,954,000       
      accounts receivable—affiliate
                                            8,192,000 5,851,000                                        
      comprehensive (income) income from unconsolidated investment and other
                                            210,000                                         
      accounts receivable — affiliates
                                              9,494,000    7,666,000    10,613,000    10,138,000 12,342,000 4,713,000 6,599,000 7,915,000 7,850,000  4,342,000                    
      equity and other unconsolidated investments
                                              264,020,000 262,414,000 262,661,000 267,359,000 269,338,000 242,407,000 279,877,000 298,620,000                                
      loan financing costs
                                              13,905,000 9,841,000 10,357,000 10,916,000 11,502,000 11,936,000 5,383,000 5,648,000 4,291,000 4,430,000 4,569,000 4,707,000 4,846,000 4,782,000 3,272,000 2,322,000 2,436,000 2,550,000 2,777,000 2,891,000 3,005,000 3,120,000 3,235,000 2,889,000 2,993,000 3,202,000 3,300,000 3,223,000 2,182,000 2,266,000 2,344,000 2,217,000 1,737,000 1,778,000 1,837,000 2,048,000 2,327,000 2,604,000 2,884,000 
      long-term contracts receivable — affiliates
                                              50,008,000    51,732,000    55,576,000                               
      liabilities and partners’ capital
                                                                                     
      accounts payable and accrued liabilities
                                              32,416,000 13,907,000 11,765,000 11,361,000 8,659,000 6,032,000 3,399,000 3,345,000 3,693,000 3,223,000 2,905,000 2,685,000 2,366,000 2,100,000 1,402,000 740,000 1,388,000 2,486,000 681,000 914,000 927,000 804,000 568,000 2,995,000 2,316,000 2,550,000 2,736,000 3,837,000            
      accounts payable — affiliates
                                              950,000    391,000    957,000    375,000    499,000 178,000 179,000 179,000  175,000 20,263,000                 
      accrued incentive plan expenses — current portion
                                              7,048,000        7,718,000    8,374,000 7,690,000 6,444,000 5,885,000 6,788,000 5,734,000 3,851,000 4,627,000  3,982,000 3,184,000 5,235,000   4,127,000   4,763,000 4,262,000 1,941,000 1,685,000  1,559,000   831,000 1,186,000 
      property, franchise and other taxes payable
                                              8,318,000 5,764,000 6,981,000 5,293,000 7,830,000 5,126,000 6,593,000 5,552,000 7,952,000 5,602,000 5,734,000 3,824,000 6,316,000 4,499,000 5,513,000 4,088,000 6,926,000 5,603,000 5,112,000 6,164,000 4,490,000 4,543,000 3,984,000 5,425,000 3,953,000 4,634,000 4,589,000 4,727,000 3,991,000 3,833,000 4,541,000 3,078,000 2,690,000       
      accrued incentive plan expenses
                                              6,554,000 6,887,000 6,071,000 5,473,000 10,526,000 8,981,000 8,308,000 7,091,000 8,865,000 8,915,000 7,801,000 6,883,000 11,670,000 10,431,000 10,561,000 9,423,000 11,347,000 8,689,000 5,626,000 7,371,000 5,594,000 5,007,000 3,771,000 6,305,000 3,772,000 5,599,000 5,237,000 3,578,000 3,680,000 3,247,000 2,609,000 5,502,000 4,369,000 3,415,000 3,271,000 2,245,000 1,619,000 1,254,000 1,070,000 
      asset retirement obligation
                                              4,905,000                         39,000 39,000 39,000            
      common units outstanding:
                                              709,019,000 613,176,000 609,001,000 605,711,000 606,774,000    605,019,000    629,253,000   793,620,000 806,529,000 822,365,000 726,797,000 747,437,000 757,550,000 769,892,000                  
      total liabilities and partners’ capital
                                              2,444,724,000 1,938,544,000 1,938,808,000 1,946,643,000 1,991,856,000 1,950,635,000 1,975,851,000 1,985,371,000 1,764,672,000 1,713,678,000 1,694,360,000 1,671,874,000 1,665,649,000 1,676,264 1,792,700,000 1,718,295,000 1,664,036,000 1,603,002,000 1,544,833,000 1,523,590,000 1,510,123,000 1,508,085,000 1,459,228,000 1,305,937,000 1,307,104,000 1,297,335,000 1,298,685,000 1,288,096,000 781,368,000 723,846,000 729,713,000 661,196,000 618,273,000 622,690,000  600,856,000 593,957,000 607,297,000  
      equity and other unconsolidated investment income
                                              41,416,000 9,685,000 9,401,000 9,779,000 34,186,000 7,238,000 7,882,000 7,048,000                                
      oil and gas lease operating expenses
                                              9,144,000 2,147,000   739,000                                   
      aggregates operating expenses
                                              32,309,000                                       
      transportation costs
                                              1,604,000 354,000 462,000 422,000 1,644,000 455,000 328,000 459,000 1,944,000 446,000 527,000 473,000 2,033,000 540,000 523,000 468,000 1,864,000 614,000 265,000 1,611,000 403,000 473,000 268,000 408,000 121,000 79,000 27,000 43,000            
      coal royalty and override payments
                                              3,975,000    1,103,000 284,000 187,000 355,000 1,857,000 523,000 673,000 200,000 1,022,000 233,000 159,000 308,000 1,498,000 258,000 692,000 2,388,000 353,000 372,000 489,000 343,000 309,000 246,000 382,000 286,000 296,000 263,000 691,000 1,071,000 745,000 553,000  450,000    
      income before non-controlling interest
                                              108,830,000 36,173,000 31,407,000 32,605,000 172,078,000 36,126,000 41,065,000 47,906,000 213,355,000 52,001,000 49,938,000 51,309,000 55,024,000 -29,286,000 52,403,000 45,282,000 154,461,000 40,153,000                      
      net income attributable to:
                                                                                     
      basic and diluted net income per limited partner unit
                                              940 320 280 290 1,540 320 370 430 1,970 480 500 -270 480 420 1,540 510 240 1,170 360 70 330 470 400               
      accounts receivable – affiliates
                                               10,547,000 9,018,000 10,764,000  8,550,000 13,597,000 12,978,000   12,897,000 13,040,000                            
      accounts payable – affiliates
                                               485,000 445,000 869,000  727,000 1,472,000 432,000   398,000 1,139,000         156,000                   
      accrued incentive plan expenses – current portion
                                               6,535,000 6,880,000 5,329,000 8,341,000 7,522,000 7,056,000 6,237,000   6,982,000 6,569,000         4,235,000    3,542,000 4,260,000  3,224,000 5,326,000     1,420,000   1,122,000   
      aggregate related revenues
                                               2,655,000 3,563,000 3,396,000                                    
      royalty payments
                                               3,029,000 201,000 155,000                                    
      weighted-average number of units outstanding
                                               111,244,000 110,403,000 109,848,000  109,812,000 109,812,000 108,887,000  106,028,000 106,028,000 106,028,000 106,028,000 106,028,000 106,028,000 106,028,000 81,917,000 77,896,000 69,451,000 67,702,000 69,451,000 66,946,000 64,891,000 64,891,000 64,891,000               
      long-term contracts receivable – affiliates
                                                50,787,000                                     
      oil and gas lease operating expense
                                                2,291,000 1,921,000                                    
      long-term contracts receivable - affiliates
                                                 51,135,000                                    
      revenues:
                                                                                     
      coal royalties
                                                  212,663,000 52,305,000 58,210,000 54,442,000 260,734,000 70,259,000 62,878,000 59,916,000 279,221,000 76,430,000 69,788,000 65,365,000 221,761,000 60,142,000 47,161,000 196,621,000 49,307,000 46,380,000 52,607,000 60,026,000 49,152,000 44,378,000 40,733,000 40,973,000 36,902,000 36,527,000 39,110,000 34,267,000 37,957,000 32,530,000 106,456,000 30,315,000 26,179,000 22,848,000 73,770,000 
      aggregate royalties
                                                  7,643,000 2,566,000 1,751,000 1,552,000 6,598,000 1,643,000 1,702,000 1,716,000 6,734,000 2,099,000 1,831,000 1,194,000 4,230,000 1,606,000 891,000 5,580,000 1,700,000 1,347,000 1,650,000 1,933,000 3,362,000 2,096,000 1,944,000 1,745,000            
      processing fees
                                                  5,049,000 1,377,000 1,329,000 1,180,000 8,299,000 1,641,000 3,138,000 2,126,000 13,475,000                           
      transportation fees
                                                  17,977,000 4,742,000 3,832,000 4,925,000 19,513,000 5,007,000 5,246,000 4,108,000 16,688,000 4,765,000 3,745,000 4,098,000 14,564,000 4,285,000 2,775,000 12,517,000 3,049,000 3,489,000 2,096,000 3,361,000 1,649,000 1,000,000 845,000 461,000            
      oil and gas revenues
                                                  17,080,000                                   
      minimums recognized as revenue
                                                  8,285,000 998,000 836,000 4,591,000 23,956,000 1,096,000 938,000 11,714,000 9,148,000 1,582,000 1,841,000 507,000 14,199,000 3,782,000 3,374,000 1,266,000 775,000 67,000 223,000 149,000 307,000 913,000 331,000 454,000 633,000 250,000 371,000 431,000 481,000 453,000 1,763,000 352,000 165,000 763,000 2,033,000 
      override royalties
                                                  13,499,000 2,927,000 3,179,000 4,905,000 15,527,000 3,359,000 3,497,000 5,142,000 14,523,000 4,131,000 3,492,000 3,043,000 11,258,000 2,625,000 2,967,000 9,251,000 2,077,000 1,336,000 2,548,000 2,006,000 2,499,000 953,000 1,023,000 1,018,000 283,000 181,000 303,000 487,000 209,000 615,000 3,222,000 956,000 757,000 677,000 1,022,000 
      long-term contracts receivable – affiliate
                                                   53,603,000 54,080,000    55,371,000                             
      common units outstanding
                                                   621,363,000 646,356,000 666,523,000  604,430,000 611,845,000 621,220,000  701,602,000 787,560,000                         
      oil and gas royalties
                                                   3,886,000 4,093,000 1,763,000 9,160,000 1,246,000 4,078,000 1,388,000 14,017,000 5,059,000 1,996,000 2,992,000 7,720,000 1,013,000 1,099,000 7,520,000 1,203,000 953,000 1,493,000 1,933,000 1,445,000 1,388,000 1,278,000 1,258,000 853,000 928,000 1,719,000         
      lease operating expense
                                                   483,000                                  
      total revenues
                                                    86,804,000 94,332,000 379,147,000 94,175,000 90,664,000 91,872,000 377,683,000 103,771,000 91,409,000 84,852,000 301,401,000 80,752,000 63,519,000 256,084,000 63,962,000 59,487,000 66,733,000 75,592,000 64,055,000 56,366,000 51,097,000 50,207,000 41,491,000 40,982,000 46,528,000 38,735,000 41,697,000 36,247,000  34,221,000 29,497,000 26,362,000  
      long-term contracts receivable - affiliate
                                                     55,021,000  55,741,000                              
      obligation related to acquisition
                                                          500,000      4,477,000 2,969,000 11,843,000                   
      holders of incentive distribution rights
                                                                12,983,000 4,977,000 4,977,000 12,180,000 11,381,000 142,000  -48,000 392,000 1,110,000 1,549,000 1,296,000 995,000 436,000 345,000 196,000 105,000 110,000 44,000 12,000  
      accounts receivable - affiliates
                                                       10,077,000                              
      coal and other mineral rights
                                                       1,352,800,000 1,324,654,000 1,310,590,000 1,257,501,000 1,289,874,000 1,367,532,000 1,362,768,000 1,281,636,000 1,241,714,000 1,193,908,000 1,151,313,000 1,157,092,000 1,133,023,000 1,094,197,000 1,001,995,000 1,016,655,000 1,004,081,000 1,015,616,000 1,012,948,000 655,078,000 626,858,000 617,487,000 569,534,000 530,961,000 539,380,000 523,844,000 531,592,000 538,743,000 544,530,000  
      accounts payable - affiliates
                                                       573,000                              
      obligation related to acquisitions
                                                         500,000  500,000 4,100,000 6,025,000                        
      accrued incentive plan expenses - current portion
                                                       7,585,000                          1,356,000    
      operating costs and expenses:
                                                                                     
      asset impairment
                                                           90,932,000                          
      total operating costs and expenses
                                                       28,532,000 27,172,000 27,048,000 273,548,000 120,294,000 26,593,000 28,991,000 105,340,000 30,408,000 22,607,000 102,109,000 22,567,000 31,826,000 25,316,000 28,487,000 23,287,000 21,050,000 22,019,000 21,816,000 12,922,000 13,018,000 14,904,000 14,773,000 14,486,000 13,574,000  12,514,000 12,025,000 12,104,000  
      other income:
                                                                                     
      less non-controlling interest
                                                            -51,000                         
      long-term contracts – affiliate
                                                         47,663,000                            
      coal processing fees
                                                           3,967,000 3,173,000 3,089,000 9,604,000 2,343,000 1,644,000 7,673,000 1,508,000 2,400,000 1,900,000 1,757,000 1,897,000 1,374,000 1,112,000 918,000            
      accounts receivable — affiliate
                                                                5,334,000   3,906,000 2,071,000 4,768,000   570,000   8,000  6,000 6,000  25,000    1,437,000 
      accounts receivable – affiliate
                                                                  2,211,000    1,582,000 1,009,000  337,000 59,000           
      common units
                                                                    706,222,000 723,935,000 725,494,000 661,094,000 667,095,000 641,357,000 298,571,000 298,190,000 297,062,000 249,536,000 248,503,000 245,213,000 243,814,000 245,764,000  243,896,000 143,956,000 
      accounts payable — affiliate
                                                                     105,000   105,000   86,000 87,000 78,000 78,000  105,000   123,000 305,000 
      asset retirement obligations
                                                                     39,000 39,000               
      other holders of incentive distribution rights
                                                                     3,144,000 2,784,000 1,907,000 1,412,000 1,283,000 1,150,000 943,000 821,000 363,000 353,000 227,000 281,000 117,000 49,000   
      accounts payable – affiliate
                                                                      104,000 368,000  691,000 183,000     92,000   111,000   
      general partners’ interest
                                                                      13,417,000 15,418,000 16,412,000 17,873,000 12,058,000 11,559,000 10,944,000   9,030,000 8,802,000 8,867,000 8,670,000 8,606,000 6,474,000 
      subordinated units
                                                                       78,701,000 79,973,000 81,965,000 126,351,000 126,029,000 125,328,000 162,191,000 161,280,000 158,527,000 157,324,000 158,759,000 157,217,000 157,137,000 158,633,000 
      basic and diluted net income per limited partner unit:
                                                                                     
      common
                                                                       350 280 280 850 860 1,010 790 920 770 2,290 740 580 470 1,590 
      subordinated
                                                                       350 280 280 850 860 1,010 790 920 770 2,290 740 580 470 1,590 
      weighted-average number of units outstanding:
                                                                                     
      class b
                                                                        280 280            
      class b units
                                                                         27,825,000            
      depletion and amortization
                                                                             8,221,000 8,625,000 7,879,000 30,957,000 8,077,000 7,493,000 7,348,000 25,365,000 
      property and franchise taxes payable
                                                                               3,461,000 3,460,000 2,950,000 2,814,000 3,109,000 2,799,000 
      taxes other than income
                                                                               1,830,000 6,835,000 1,464,000 1,712,000 1,657,000 5,810,000 
      coal royalty payments
                                                                                2,045,000  398,000 388,000 913,000 
      loss on early extinguishment of debt
                                                                                -1,135,000     
      income from sale of oil and gas properties
                                                                                    -55,000 
      income from interest rate hedge
                                                                                    -499,000 
      accounts receivable - affiliate
                                                                                     
      accounts payable - affiliate
                                                                                 111,000    
      common units (outstanding: 13,986,906 in 2004, 11,353,658 in 2003).
                                                                                  243,864,000   
      override payments
                                                                                    386,000 
      coal and other mineral rights owned
                                                                                    447,334,000 
      coal and other mineral rights leased
                                                                                    31,294,000 
      other income interest expense
                                                                                    -6,814,000 
      general partners’ net income
                                                                                    738,000 
      limited partners’ net income
                                                                                    36,169,000 
    The information provided in this report is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.