7Baggers

Cogent Communications Holdings, Inc
(NASDAQ:CCOI) 

CCOI stock logo

Cogent Communications Holdings, Inc., through its subsidiaries, provides high-speed Internet access, private network, and data center colocation space services in North America, Europe, Asia, South America, Australia, and Africa. The company offers on-net Internet access and private network services...

Founded: 1999
Full Time Employees: 1,110
Sector: Communication Services
Industry: Telecom Services

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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 2018-09-30 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-03-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 2009-09-30 2009-06-30 2009-03-31 2008-09-30 2008-06-30 2008-03-31 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 2004-06-30 
                                                                               
      service revenue
    247,048,000 240,524,000 257,202,000 260,443,000 266,168,000 252,291,000 275,429,000 239,806,000 153,588,000 272,100,000 150,000,000 148,450,000 149,175,000 151,979,000 147,927,000 147,879,000 146,777,000 147,213,000 147,927,000 294,656,000 146,777,000 143,898,000 142,302,000 140,990,000 140,915,000 140,293,000 136,942,000 134,789,000 134,137,000 130,139,000 129,296,000 128,706,000 122,969,000 119,777,000 117,203,000 113,057,000 109,955,000 108,291,000 103,017,000 98,799,000 97,242,000 95,691,000 94,623,000 92,937,000 87,761,000 85,803,000 84,553,000 79,656,000 77,817,000 76,888,000 77,367,000 75,580,000 73,460,000 66,783,000 64,395,000 62,776,000 60,229,000 57,991,000 55,076,000                 
      operating expenses:
                                                                               
      network operations
    137,439,000 101,652,000 161,552,000 156,167,000 168,933,000 121,664,250 173,594,000 137,502,000 58,638,000 92,433,500 57,220,000 56,514,000 57,449,000 42,795,750 56,645,000 56,180,000 57,092,000 42,480,000 56,645,000 113,272,000 57,092,000 41,081,500 54,519,000 53,886,000 55,921,000 40,952,750 55,253,000 54,407,000 54,150,000 54,615,000 54,379,000 54,875,000 53,584,000 51,115,000 50,662,000 48,827,000 47,872,000 47,277,000 45,182,000 42,412,000 41,079,000 40,407,000 39,605,000 38,836,000 37,441,000 37,076,000 37,309,000 36,541,000 35,112,000 34,338,000 33,619,000 33,249,000 31,773,000 30,639,000 29,224,000 28,098,000 26,400,000 24,558,000 24,194,000 24,139,000 23,035,000 22,043,000 21,502,000 21,064,000 20,370,000 19,432,000 20,177,000 20,442,000 20,076,000 21,590,000 21,494,000 23,033,000 20,380,000 14,510,000 13,486,000 
      selling, general, and administrative
    73,863,000 65,227,000 67,664,000 68,345,000 76,696,000 63,075,000 65,308,000 83,658,000 45,078,000 81,272,000 39,114,000 39,386,000 40,627,000 43,892,000 40,117,000 41,392,000 41,442,000 39,428,000 40,117,000 82,834,000 41,442,000 39,244,000 39,722,000 39,839,000 39,675,000 36,517,000 35,971,000 38,566,000 35,860,000 33,409,000 33,704,000 33,523,000 32,915,000 31,788,000 31,461,000 30,050,000 29,820,000 29,532,000 27,318,000 28,925,000 29,677,000 27,353,000 26,139,000 26,285,000 21,719,000 21,226,000 21,465,000 19,473,000 19,401,000 21,343,000 18,984,000 18,926,000 19,538,000 17,659,000 18,091,000 18,519,000 18,089,000 19,265,000 20,806,000 20,346,000 18,531,000 20,890,000 15,017,000 14,132,000 13,454,000 14,289,000 14,865,000 14,179,000 14,434,000 13,245,000 13,176,000 13,395,000 15,174,000 11,842,000 12,370,000 
      depreciation and amortization
    76,038,000 58,425,000 85,815,000 74,036,000 70,891,000 67,271,000 86,734,000 52,511,000 25,160,000 67,806,000 22,897,000 23,071,000 22,688,000 23,563,000 22,609,000 22,096,000 21,970,000 22,565,000 22,609,000 44,065,000 21,970,000 22,455,000 21,619,000 19,896,000 19,508,000 20,001,000 20,006,000 19,979,000 20,263,000 20,276,000 20,216,000 19,788,000 19,147,000 18,897,000 18,538,000 18,804,000 18,604,000 17,753,000 17,634,000 17,371,000 17,513,000 17,431,000 17,301,000 17,204,000 16,024,000 15,900,000 15,874,000 15,610,000 15,503,000 15,239,000 15,188,000 14,734,000 14,791,000 14,736,000 14,099,000 13,471,000 15,282,000 15,271,000 14,576,000 15,494,000 15,828,000 16,296,000 16,332,000 15,907,000 14,735,000 14,878,000 14,658,000 14,144,000 16,692,000 12,432,000 12,795,000 13,680,000 14,991,000 13,369,000 13,749,000 
      total operating expenses
    287,340,000 252,006,000 315,031,000 310,918,000 325,557,000 285,525,000 325,987,000 274,410,000 129,276,000 340,578,000 121,235,000 118,971,000 120,764,000 124,670,000 119,371,000 119,668,000 120,504,000 118,410,000 119,371,000 240,171,000 120,504,000 116,530,000 115,860,000 113,621,000 115,104,000 112,508,000 111,230,000 112,952,000 110,273,000 108,300,000 108,299,000 108,186,000 105,646,000 101,800,000 100,661,000 97,681,000 96,296,000 94,562,000 90,134,000 88,708,000 88,269,000 82,077,000 80,314,000 80,030,000 75,184,000 74,202,000 74,648,000 71,624,000 70,016,000 70,920,000 67,791,000 66,909,000 66,102,000 63,034,000 61,414,000 60,088,000 59,771,000 59,094,000 59,576,000 59,979,000 57,394,000 60,821,000 52,851,000 51,103,000 48,559,000 48,599,000 49,700,000 48,765,000 51,202,000 48,586,000 47,465,000 50,108,000 50,970,000 41,896,000 39,605,000 
      gains on lease terminations and other
     288,000                                                                          
      operating income
    -40,292,000 -11,194,000 -57,829,000 -47,143,000 -59,389,000 -33,234,000 -50,558,000 -34,604,000 24,312,000 -68,478,000 28,095,000 29,566,000 28,784,000 27,519,000 28,556,000 28,211,000 26,291,000 36,178,000 28,556,000 54,503,000 26,291,000 27,377,000 26,036,000 27,574,000 25,850,000 28,036,000 25,799,000 22,022,000 24,400,000 22,255,000 21,354,000 20,637,000 17,720,000 19,000,000 18,666,000 16,063,000 17,511,000 15,675,000 15,519,000 10,810,000 10,487,000 13,614,000 14,309,000 12,907,000 12,577,000 11,601,000 9,905,000 8,032,000 7,801,000 5,968,000 9,576,000 8,671,000 7,358,000 3,749,000 2,981,000 2,688,000 458,000                   
      yoy
    -32.16% -66.32% 14.38% 36.24% -344.28% -51.47% -279.95% -217.04% -15.54% -348.84% -1.61% 4.80% 9.48% -23.93% 0.00% -48.24% 0.00% 32.15% 9.68% 97.66% 1.71% -2.35% 0.92% 25.21% 5.94% 25.98% 20.82% 6.71% 37.70% 17.13% 14.40% 28.48% 1.19% 21.21% 20.28% 48.59% 66.98% 15.14% 8.46% -16.25% -16.62% 17.35% 44.46% 60.69% 61.22% 94.39% 3.44% -7.37% 6.02% 59.19% 221.23% 222.58% 1506.55%                       
      qoq
    259.94% -80.64% 22.67% -20.62% 78.70% -34.27% 46.10% -242.33% -135.50% -343.74% -4.98% 2.72% 4.60% -3.63% 1.22% 7.30% -27.33% 26.69% -47.61% 107.31% -3.97% 5.15% -5.58% 6.67% -7.80% 8.67% 17.15% -9.75% 9.64% 4.22% 3.47% 16.46% -6.74% 1.79% 16.20% -8.27% 11.71% 1.01% 43.56% 3.08% -22.97% -4.86% 10.86% 2.62% 8.41% 17.12% 23.32% 2.96% 30.71% -37.68% 10.44% 17.84% 96.27% 25.76% 10.90% 486.90%                    
      interest expense, including change in valuation – interest rate swap agreement
    -34,216,000                                                                           
      interest income – ip transit services agreement
    4,686,000 3,503,000 5,438,000 5,934,000 7,330,000 5,065,000 10,299,000 7,669,000  8,828,000                                                                  
      interest income – purchase agreement
    425,000 450,000 409,000 402,000 -480,000 417,000 664,000 506,000  719,000                                                                  
      interest income and other
    -865,000 3,703,000 -1,153,000 2,484,000 2,737,000 10,483,000 1,604,000 200,000 3,498,000 1,876,000 -262,000 -522,000 319,000    744,000 -23,000 648,000 807,000 744,000 548,000 484,000 735,000 2,205,000 -2,057,000 8,347,000 1,753,000 1,827,000 1,937,000 189,000 1,694,000 1,632,000 1,015,000 854,000 207,000 335,000 133,000 50,000 417,000 97,000 140,000 268,000 137,000 292,000 589,000 658,000 397,000 148,000 375,000 81,000 298,000 230,000  383,000 379,000 231,000 454,000 248,000 751,000 895,000 1,480,000 1,091,000 791,000 498,000 1,288,000 691,000 493,000 458,000 489,000 162,000 208,000 806,000 181,000 120,000 
      income before income taxes
    -70,262,000 -47,583,000 -80,012,000 -40,191,000 -84,434,000 -55,011,000 -70,346,000 1,099,532,000 10,652,000 179,788,000 -7,038,000 19,718,000 1,678,000 12,019,000 22,024,000 -2,071,000 26,201,000 25,265,000 22,024,000 24,131,000 26,201,000 -7,264,000 -6,555,000 11,299,000 12,835,000 10,769,000 18,955,000 10,180,000 12,771,000 11,425,000 9,170,000 9,923,000 7,086,000 7,925,000 7,629,000 6,379,000 7,603,000  5,567,000 1,535,000  1,092,000 787,000 1,741,000 2,301,000 1,974,000 694,000    704,000 2,573,000 3,000                       
      income tax benefit
    18,220,000 16,802,000 16,900,000 7,853,000 19,127,000 11,694,000 13,623,000 24,331,000 -4,504,000 20,365,000 -969,000 -8,554,000       -8,704,000    1,600,000                    421,000     492,000  560,000      455,000 54,000 84,000                  
      net income
    -52,042,000 -30,781,000 -63,112,000 -32,338,000 -65,307,000 -43,317,000 -56,723,000 1,123,863,000 6,148,000 200,153,000 -8,007,000 11,164,000 1,137,000 852,000 13,320,000 -2,493,000 18,851,000 18,507,000 13,320,000 16,358,000 18,851,000 -6,620,000 -4,955,000 8,564,000 9,227,000 7,466,000 13,701,000 7,136,000 9,217,000 8,231,000 6,552,000 6,784,000 3,650,000 4,317,000 4,136,000 3,459,000 4,224,000 3,354,000 3,161,000 840,000 -1,585,000 -184,000 1,208,000 125,000 2,122,000 1,607,000 361,000 -94,000 -1,791,000 -2,090,000 281,000 2,115,000 -278,000 -462,000 -883,000 -570,000 -3,279,000 -4,453,000 -8,160,000 2,073,000 -5,553,000 -9,540,000 -9,192,000 -9,404,000 -9,971,000 -11,854,000 -15,491,000 -16,441,000 -20,288,000 16,106,000 -16,151,000 -14,973,000 -20,224,000 -23,041,000 -22,225,000 
      yoy
    -20.31% -28.94% 11.26% -102.88% -1162.25% -121.64% 608.42% 9966.85% 440.72% 23392.14% -160.11% -547.81% -93.97% -95.40% 0.00% -115.24% 0.00% -379.56% -368.82% 91.01% 104.30% -188.67% -136.17% 20.01% 0.11% -9.29% 109.11% 5.19% 152.52% 90.66% 58.41% 96.13% -13.59% 28.71% 30.84% 311.79% -366.50% -1922.83% 161.67% 572.00% -174.69% -111.45% 234.63% -232.98% -218.48% -176.89% 28.47% -104.44% 544.24% 352.38% -131.82% -471.05% -91.52% -89.62% -89.18% -127.50% -40.95% -53.32% -11.23% -122.04% -44.31% -19.52% -40.66% -42.80% -50.85% -173.60% -4.09% 9.80% 0.32% -169.90% -27.33%     
      qoq
    69.07% -51.23% 95.16% -50.48% 50.77% -23.63% -105.05% 18180.14% -96.93% -2599.73% -171.72% 881.88% 33.45% -93.60% -634.30% -113.22% 1.86% 38.94% -18.57% -13.22% -384.76% 33.60% -157.86% -7.19% 23.59% -45.51% 92.00% -22.58% 11.98% 25.63% -3.42% 85.86% -15.45% 4.38% 19.57% -18.11% 25.94% 6.11% 276.31% -153.00% 761.41% -115.23% 866.40% -94.11% 32.05% 345.15% -484.04% -94.75% -14.31% -843.77% -86.71% -860.79% -39.83% -47.68% 54.91% -82.62% -26.36% -45.43% -493.63% -137.33% -41.79% 3.79% -2.25% -5.69% -15.88% -23.48% -5.78% -18.96% -225.97% -199.72% 7.87% -25.96% -12.23% 3.67%  
      comprehensive loss:
                                                                               
      foreign currency translation adjustment
    11,752,000 2,860,000 8,847,000 -1,722,000 -5,034,000 -18,391,000 -4,134,000 1,741,000 1,788,000 5,377,000 -7,752,000 -7,493,000 -2,165,000 9,257,000 -3,818,000 1,776,000 -5,210,000 -2,445,000 -3,818,000 -3,434,000 -5,210,000 6,192,000 5,408,000 2,913,000 -3,493,000 3,350,000 -4,709,000 1,786,000    2,611,000 3,790,000 6,163,000 1,328,000 688,000  4,074,000 228,000 1,683,000     2,341,000 326,000                              
      comprehensive loss
    -40,290,000 -30,535,000 -54,265,000 -34,060,000 -70,341,000  -60,857,000    -15,759,000                                                                 
      net loss per common share:
                                                                               
      basic net loss per common share
    -1,090 -792.5 -1,330 -680 -1,380  -1,200    -170                                                                 
      diluted net loss per common share
    -1,090 -792.5 -1,330 -680 -1,380  -1,200    -170                                                                 
      dividends declared per common share
    1,005 20 985 975 965 995 945 935 925 955 905 880 855 915 805 780 755 830 805 1,535 755 735 705 680 660 640 620 600 580 540 520 500 460 440 420 380 370 360 340 420 350 300 170 390 140 130 120 100                            
      weighted-average common shares - basic
    47,676,735,000  47,426,131,000 47,511,613,000 47,416,268,000  47,227,338,000 47,137,822,000 47,037,091,000  46,736,742,000 46,691,142,000 46,575,848,000  46,293,524,000 46,229,603,000 46,067,096,000  46,293,524,000 46,227,528,000 46,067,096,000  45,815,718,000 45,754,880,000 45,658,565,000  45,438,656,000 45,354,327,000 45,223,157,000 45,105,830,000 45,016,767,000 44,923,973,000  44,717,372,000 44,649,645,000 44,574,583,000 44,491,899,000 44,402,640,000 44,474,724,000 44,774,831,000 45,158,250,000 45,629,079,000 45,897,449,000 46,409,735,000 46,171,194,000 46,040,692,000 45,537,607,000 45,377,732,000 45,313,804,000  45,080,859,000 45,021,507,000                        
      weighted-average common shares - diluted
    47,676,735,000  47,426,131,000 47,511,613,000 47,416,268,000  47,227,338,000 47,526,207,000 47,381,226,000  46,736,742,000 47,029,446,000 46,929,191,000  46,866,929,000 46,229,603,000 46,507,258,000  46,866,929,000 46,744,070,000 46,507,258,000  45,815,718,000 46,686,665,000 46,391,066,000  46,019,691,000 45,912,291,000 45,644,236,000 45,699,635,000 45,536,473,000 45,294,697,000 45,118,607,000 44,988,655,000 44,917,014,000 44,776,918,000 44,705,037,000 44,571,937,000 44,702,127,000 45,054,507,000 45,158,250,000 45,629,079,000 46,294,966,000 46,907,360,000 46,823,167,000 46,769,184,000 46,435,677,000 45,377,732,000 45,313,804,000  45,559,972,000 45,548,725,000                        
      interest expense, including change in valuation interest rate swap agreement
     -29,329,250 -26,877,000 -29,541,000 -29,162,000 -21,393,750 -29,023,000 -29,958,000                                                                    
      acquisition costs – sprint
       12,370,000          244,000                                                              
      gain on lease termination
       3,332,000                                                                        
      loss on debt extinguishment and redemption – 2026 notes
                                                                               
      gain on bargain purchase – sprint
       27,673,000                                                                        
      acquisition costs – sprint business
        9,037,000  351,000 739,000 400,000 17,002,000 2,004,000                                                                 
      reduction to gain on bargain purchase – sprint business
        -5,470,000                                                                       
      gain on bargain purchase – sprint business
          -3,332,000 1,155,719,000  254,049,000                                                                  
      comprehensive income:
                                                                               
      comprehensive income
         -61,708,000  1,125,604,000 7,936,000 205,530,000  3,671,000 -1,028,000 10,109,000 9,502,000 -717,000 13,641,000 16,062,000 9,502,000 12,924,000 13,641,000 -428,000 453,000 11,477,000 5,734,000 10,816,000 8,992,000 8,922,000 7,392,000 7,746,000 354,000 9,395,000 7,440,000 10,480,000 5,464,000 4,147,000 2,257,000 7,428,000 3,389,000 2,523,000  -5,218,000 1,164,000 -337,000 4,463,000 1,933,000  1,407,000 -4,859,000 -467,000                          
      net income per common share:
                                                                               
      basic net income per common share
         -890  23,840 130 4,160  240  20 290 -50  400 290 350  -140 -110 190  160 300 160   150                             50             -112,760 -1,430  
      diluted net income per common share
         -890  23,650 130 4,080  240  20 280 -50  400 280 350  -150 -110 180  160 300 160   140                             50             -112,760 -1,430  
      interest expense
            -19,005,000 -34,928,000 -17,948,000 -13,478,000 -14,168,000 -21,990,000 -14,273,000 -14,236,000 -15,836,000 -19,653,000 -17,349,000 -30,071,000 -15,836,000 -16,005,000 -15,760,000 -15,499,000 -15,220,000 -15,210,000 -15,191,000 -13,595,000                                                
      change in valuation – interest rate swap agreement
            1,847,000 -1,070,750 -16,923,000 -7,510,000 -21,271,000                                                               
      loss on lease transactions
              -670,000                                                                 
      loss on bargain purchase – sprint business
                                                                               
      acquisition costs – sprint wireline business
                                                                               
      gains on lease terminations
               87,000 373,000                                                               
      gain on bargain purchase – sprint wireline business
                                                                               
      unrealized foreign exchange gain on 2024 euro notes
               23,547,000 8,014,000    18,870,000  10,169,000  18,870,000  -17,315,000 -3,420,000                                                    
      loss on debt extinguishment and redemption – 2024 euro notes
               -11,885,000                                                                
      income tax expense
                -541,000 -11,167,000 -8,704,000 -422,000 -7,350,000                                                           
      basic and diluted net income per common share
                20    410    410    200    200 180  150 80 100 90 80 90 80 70 20   30                                 
      losses on lease transactions
                                                                               
      change in valuation – interest rate swap
                 2,590,000 -3,076,000                                                             
      foreign exchange gain – 2024 euro notes
                  10,169,000 -5,280,000                                                            
      interest income and other expenses
                 -115,500 648,000 64,000                                                            
      gains on lease transactions
                                                                               
      loss on debt extinguishment and redemption – 2022 notes
                   -10,830,000                                                            
      gains on equipment transactions
                    18,000   18,000 18,000 9,000 99,000 205,000 39,000 251,000 87,000 185,000 536,000 416,000 357,000 117,000 397,000 1,023,000 2,124,000 687,000 4,439,000 1,946,000 1,152,000 719,000 1,548,000                                   
      loss on debt extinguishment and repurchase – 2022 notes
                    -3,868,000                                                           
      loss on finance lease amendment
                                                                               
      realized foreign exchange gain on issuance of 2024 euro notes
                         636,750                                                      
      unrealized gain on foreign exchange on 2024 euro notes
                     5,939,750  13,590,000  -4,456,750                                                      
      loss on debt extinguishment and redemption- 2021 notes
                         -159,500                                                      
      loss on debt extinguishment and redemption- 2022 notes
                       -14,698,000                                                        
      income tax provision
                     -4,119,250  -7,773,000 -7,350,000 -1,185,000  -2,735,000 -3,608,000 -2,962,750 -5,254,000 -3,044,000                                                
      loss on debt extinguishment and repurchase - 2022 notes
                        -3,868,000                                                       
      loss on finance leases amendment
                          -505,000                                                     
      realized foreign exchange gain on issuance on 2024 euro notes
                           2,547,000                                                    
      loss on debt extinguishment and redemption – 2021 notes
                           -638,000                                                    
      ​
                                                                               
      weighted-average common shares — basic
                                    44,767,163,000                                           
      losses on debt purchases and installment loan repayment
                                                                               
      gain on capital lease termination
                                          1,484,000  10,110,000                                   
      loss on debt extinguishment and redemption
                                                                               
      income (loss) before income taxes
                                         5,743,000                                      
      comprehensive
                                            -8,981,000      -1,432,000                             
      basic and diluted net (loss) income per common share
                                            -40        -40                           
      gain on equipment transaction
                                                                               
      gains on equipment
                                                                               
      basic and diluted net income (loss) per common share
                                                50 30 10    10 50                        
      release of lease obligation
                                                       2,739,000                        
      basic and diluted net loss per common share
                                                     -50   -10 -10 -20 -10 -70 -100 -190  -120 -210 -190 -190 -200 -240 -340 -380 -372.5 -370 -470 -920   -1,480 
      weighted-average common shares—basic and diluted
                                                     45,241,418,000   44,731,858,000 44,585,230,000 44,525,633,000 44,464,821,000 43,894,098,000 43,689,747,000 42,758,372,000  45,397,919,000 46,265,575,000 48,378,853,000 48,655,385,000 46,343,372,000 48,463,130,000 45,099,826,000 43,841,837,000  43,886,390,000 34,489,085,000 16,260,654,000   15,062,602,000 
      asset impairment
                                                                 1,592,000              
      gain — purchase of convertible notes
                                                                               
      net service revenue
                                                               54,594,000 53,859,000 52,110,000 45,108,000 43,621,000 27,139,000 37,954,000 36,155,000 34,447,000 25,497,500 33,772,000 33,806,000 34,414,000 15,767,000 21,736,000 20,387,000 
      gain – purchase of convertible notes
                                                               9,735,000                
      gain – lease restructuring
                                                                               
      weighted-average common shares—basic
                         45,947,772,000    45,542,315,000                                  43,593,205,000         34,439,937,000    763,540,000 16,123,018,000  
      weighted-average common shares—diluted
                         46,668,198,000    46,080,395,000                                  44,276,989,000         34,439,937,000    763,540,000 16,123,018,000  
      restructuring charge
                                                                            425,000 1,396,000  
      gain — capital lease restructuring
                                                                     255,000          
      gain on cisco debt repayment
                                                                          842,000     
      gain on disposal of assets
                                                                               
      restructuring charges
                                                                         1,319,000      
      terminated public offering costs
                                                                             779,000  
      gain on capital lease restructuring
                                                                         844,000      
      beneficial conversion charge
                                                                               
      net loss applicable to common shareholders
                                                                        -11,807,500 -16,106,000      
      beneficial conversion charges
                                                                               
      basic and diluted net loss per common share applicable to common stock
                                                                        -372.5 -370      
      gains on disposition of assets
                                                                        843,000   3,372,000    
      net loss applicable to common stock
                                                                           -14,973,000    
      gain—cisco credit facility troubled debt restructuring
                                                                               
      net income applicable to common stock
                                                                            -23,729,750 -26,496,000  
      basic net income per common share applicable to common stock
                                                                            -1,595   
      diluted net income per common share applicable to common stock
                                                                            -1,595   
    Balance Sheets:
    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 2018-09-30 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-03-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 2009-09-30 2009-06-30 2009-03-31 2008-09-30 2008-06-30 2008-03-31 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 2004-06-30 
                                                                                 
        assets
                                                                                 
        current assets:
                                                                                 
        cash and cash equivalents
      140,265,000 148,515,000 147,088,000 213,651,000 153,805,000 198,486,000 279,191,000 384,419,000 118,433,000 75,092,000 109,661,000 192,366,000 184,140,000 223,783,000 268,945,000 312,051,000 281,485,000 319,609,000 351,879,000 373,963,000 237,980,000 371,301,000 393,293,000 417,026,000 375,116,000 399,422,000 396,271,000 409,279,000 259,138,000 284,558,000 224,282,000 236,026,000 250,765,000 256,492,000 263,196,000 148,151,000 154,967,000 196,050,000 207,290,000 224,494,000 260,050,000 311,779,000 349,835,000 263,747,000 304,775,000 237,335,000 234,960,000 232,064,000 237,227,000 232,294,000 224,051,000 227,246,000 225,342,000 47,835,000 52,435,000 55,008,000 51,114,000 60,072,000 67,177,000 109,050,000 129,008,000 154,605,000 181,754,000 48,273,000 42,642,000 49,014,000 54,182,000 20,611,000 29,883,000 35,555,000 38,592,000 17,312,000 13,844,000 8,796,000 13,000,000 
        restricted cash
      39,000,000 56,597,000 79,206,000 93,074,000 30,165,000 29,430,000 36,901,000 41,822,000 44,841,000 38,689,000 56,411,000 51,587,000 50,282,000 52,129,000 54,719,000 37,796,000 30,286,000 9,015,000 3,076,000                                                   4,000,000 4,000,000 4,000,000    
        accounts receivable
      91,096,000 88,050,000 95,853,000 95,127,000 87,955,000 96,934,000 99,565,000 111,676,000 107,169,000 135,475,000 87,170,000 89,207,000 45,172,000 44,123,000 43,433,000 44,568,000 41,662,000 41,938,000 43,672,000 43,751,000 41,234,000 44,185,000 42,053,000 40,560,000 42,964,000 40,484,000 41,292,000 40,684,000 39,258,000 40,993,000 39,482,000 38,015,000 39,118,000 34,754,000 33,698,000 33,487,000 32,379,000 31,528,000 30,991,000 30,972,000 29,761,000 31,770,000 33,505,000 33,126,000 28,703,000 27,179,000 26,831,000 27,980,000 25,652,000 24,915,000 24,774,000 26,352,000 24,477,000 24,497,000 22,620,000 22,861,000 24,090,000 20,563,000 21,391,000 21,050,000 22,004,000 21,348,000 18,124,000 19,818,000 20,053,000 18,725,000 19,106,000 16,192,000 16,452,000 14,289,000 14,439,000 15,643,000 13,564,000 10,582,000 6,754,000 
        due from t-mobile, ip transit services agreement, current portion, net of discount of 8,695 and 10,401, respectively
      91,305,000                                                                           
        prepaid expenses and other current assets
      68,610,000 67,701,000 69,467,000 72,720,000 66,088,000 74,104,000 72,214,000 67,688,000 79,698,000 80,588,000 73,541,000 81,854,000 49,203,000 45,878,000 46,407,000 43,054,000 41,757,000 39,015,000 37,491,000 36,841,000 37,056,000 40,851,000 40,007,000 39,530,000 38,482,000 35,822,000 36,810,000 36,030,000 35,454,000 32,956,000 32,972,000 33,508,000 20,427,000 21,906,000 20,944,000 20,642,000 20,701,000 19,815,000 21,755,000 21,061,000 22,158,000 20,705,000 22,481,000 23,781,000 12,843,000 14,428,000 12,411,000 11,025,000 11,852,000 12,318,000 9,863,000 11,135,000 11,117,000 10,285,000 10,499,000 10,254,000 8,111,000 8,226,000 8,156,000 6,430,000 7,198,000 7,496,000 6,544,000 6,168,000 5,339,000 3,519,000 4,174,000 4,756,000 3,959,000 3,798,000 4,621,000 5,121,000 4,224,000 3,952,000 4,434,000 
        total current assets
      430,276,000 450,581,000 479,769,000 560,971,000 422,681,000 482,101,000 569,403,000 689,475,000 473,161,000 513,627,000 581,251,000 713,189,000 328,797,000 365,913,000 413,504,000 437,469,000 395,190,000 409,577,000 436,118,000 454,555,000 316,270,000 456,337,000 475,353,000 497,116,000 456,562,000 475,728,000 474,373,000 485,993,000 333,850,000 358,507,000 296,736,000 307,549,000 310,310,000 313,152,000 317,838,000 202,280,000 208,047,000 247,393,000 260,036,000 276,527,000 311,969,000 364,254,000 405,821,000 320,654,000 346,321,000 278,942,000 274,202,000 271,069,000 274,731,000 269,527,000 258,688,000 264,733,000 260,936,000 82,617,000 85,554,000 88,123,000 83,315,000 88,861,000 96,724,000 136,692,000 158,372,000 184,261,000 207,072,000 74,259,000 68,114,000 71,338,000 78,092,000 42,189,000 51,577,000 54,396,000 58,573,000 42,431,000 32,141,000 25,640,000 27,241,000 
        property and equipment:
                                                                                 
        property and equipment
      3,696,974,000 3,642,906,000 3,584,540,000 3,546,033,000 3,428,294,000 3,319,731,000 3,227,805,000 3,103,518,000 3,046,160,000 2,947,376,000 2,946,723,000 2,856,108,000 1,769,171,000 1,714,906,000 503,763,000 461,381,000 456,419,000 1,619,515,000 454,710,000 435,996,000 425,492,000 1,515,867,000 421,251,000 406,747,000 367,682,000 1,366,782,000 370,825,000 375,936,000 375,346,000 381,004,000 382,730,000 385,770,000 381,010,000 376,867,000 368,938,000 370,749,000 370,573,000 366,482,000 357,163,000 347,550,000 343,429,000 357,699,000 353,663,000 346,185,000 331,763,000 328,702,000 328,080,000 306,635,000 304,823,000 311,122,000 308,941,000 312,149,000 300,675,000 281,454,000 267,403,000 263,453,000 267,364,000 258,229,000 246,409,000 250,749,000 253,988,000 256,285,000 252,251,000 256,299,000 512,321,000 270,964,000 279,370,000 284,474,000 488,142,000 482,029,000 478,161,000 476,478,000 475,105,000 463,317,000 457,527,000 
        accumulated depreciation and amortization
      -1,964,092,000 -1,921,832,000 -1,871,828,000 -1,820,651,000 -1,736,435,000 -1,655,564,000 -1,607,122,000 -1,522,908,000 -1,484,792,000 -1,409,559,000 -1,329,114,000 -1,248,667,000 -1,197,136,000 -1,170,476,000    -1,161,635,000    -1,085,532,000    -997,853,000                                                  
        total property and equipment
      1,732,882,000 1,721,074,000 1,712,712,000 1,725,382,000 1,691,859,000 1,664,167,000 1,620,683,000 1,580,610,000 1,561,368,000 1,537,817,000 1,617,609,000 1,607,441,000 572,035,000 544,430,000    457,880,000    430,335,000    368,929,000                                       263,268,000    292,787,000 303,841,000 314,073,000 325,138,000 337,275,000 339,627,000 346,643,000 
        right-of-use leased assets
      303,051,000 310,523,000 318,701,000 325,681,000 324,533,000 324,315,000 289,894,000 332,065,000 347,993,000 361,587,000 364,397,000 415,602,000 79,430,000 81,601,000 86,047,000 98,576,000 100,909,000 101,687,000 103,666,000 105,072,000 97,365,000 99,666,000 90,400,000 87,697,000 75,724,000 73,460,000 72,591,000 72,255,000 73,305,000                                               
        ipv4 intangible asset
      458,000,000 458,000,000 458,000,000 458,000,000                                                                        
        other intangible assets
      10,813,000 11,251,000 11,699,000 12,147,000 12,591,000 13,029,000 13,481,000 13,926,000 14,370,000                                                                   
        deposits and other assets
      31,179,000 34,834,000 31,147,000 29,809,000 30,636,000 29,596,000 29,668,000 26,455,000 26,327,000 23,438,000 22,143,000 22,169,000 18,150,000 18,238,000 17,388,000 17,158,000 17,251,000 15,413,000 14,255,000 15,124,000 13,835,000 14,139,000 13,910,000 13,841,000 13,382,000 13,672,000 13,942,000 14,881,000 14,343,000 11,482,000 11,725,000                                3,745,000 4,079,000 4,344,000    4,455,000       
        due from t-mobile, ip transit services agreement, net of discount of 869 and 2,255, respectively
      65,798,000                                                                           
        due from t-mobile, purchase agreement, net of discount of 3,548 and 4,006, respectively
      24,567,000                                                                           
        total assets
      3,056,566,000 3,099,784,000 3,148,271,000 3,270,531,000 3,120,722,000 3,173,102,000 3,204,094,000 3,344,173,000 3,145,412,000 3,211,619,000 2,961,681,000 3,162,737,000 998,412,000 1,010,182,000 1,020,702,000 1,014,584,000 969,769,000 984,557,000 1,008,749,000 1,010,747,000 852,962,000 1,000,477,000 1,000,914,000 1,005,401,000 913,625,000 932,124,000 932,344,000 949,065,000 797,003,000 757,319,000 700,229,000 716,453,000 729,860,000 732,439,000 732,675,000 617,622,000 626,378,000 665,096,000 672,906,000 682,388,000 714,046,000 784,461,000 822,787,000 725,247,000 692,253,000 621,372,000 616,237,000 592,885,000 595,217,000 597,289,000 578,104,000 587,896,000 572,908,000 369,531,000 357,973,000 356,358,000 354,349,000 351,067,000 346,835,000 391,087,000 416,471,000 444,379,000 463,667,000 335,458,000 336,876,000 348,514,000 363,590,000 333,118,000 351,373,000 368,349,000 382,509,000 374,287,000 378,586,000 373,263,000 383,310,000 
        liabilities and stockholders’ equity
                                                                                 
        current liabilities:
                                                                                 
        accounts payable
      36,095,000 30,571,000 28,390,000 49,169,000 55,850,000 39,805,000 53,053,000 38,510,000 45,932,000 48,356,000 29,367,000 30,278,000 18,501,000 27,208,000 18,398,000 14,823,000 13,808,000 11,923,000 11,639,000 14,601,000 12,190,000 9,775,000 11,983,000 12,171,000 13,102,000 11,075,000 9,849,000 11,570,000 9,619,000 8,262,000 10,330,000 12,964,000 12,314,000 9,284,000 12,286,000 13,019,000 16,293,000 19,025,000 15,350,000 15,489,000 16,752,000 16,303,000 16,969,000 16,441,000 12,176,000 15,979,000 16,665,000 13,880,000 11,287,000 15,316,000 9,971,000 10,938,000 13,207,000 15,899,000 16,992,000 16,490,000 15,089,000 13,437,000 11,691,000 13,239,000 10,886,000 10,197,000 10,519,000 12,659,000 9,096,000 9,259,000 15,065,000 10,352,000 11,521,000 11,568,000 10,826,000 10,878,000 16,090,000 13,014,000 11,036,000 
        accrued and other current liabilities
      112,345,000 109,582,000 129,021,000 116,653,000 146,698,000 134,609,000 148,204,000 189,131,000 187,495,000 120,523,000 120,031,000 117,612,000 76,770,000 63,889,000 67,290,000 52,322,000 48,314,000 39,057,000 57,510,000 48,014,000 49,656,000 51,029,000 47,714,000 52,492,000 49,239,000 51,301,000 49,115,000 51,615,000 45,564,000 46,728,000 47,447,000 46,198,000 47,449,000 49,412,000 45,146,000 41,790,000 43,502,000 40,896,000 45,616,000 40,913,000 38,214,000                                   
        current maturities, operating lease liabilities
      53,665,000 54,576,000 55,127,000 50,932,000 55,973,000 57,172,000 55,867,000 61,780,000 66,553,000 67,962,000 68,418,000 125,551,000 12,369,000 12,005,000 11,784,000 12,172,000 12,118,000 12,197,000 11,312,000 11,783,000 11,055,000 11,151,000 12,006,000 11,292,000 10,409,000 10,101,000 10,299,000 10,639,000 10,389,000                                               
        finance lease obligations, current maturities
      23,967,000 26,112,000 24,990,000 26,523,000 24,685,000 21,225,000 21,939,000 21,253,000 64,043,000 64,594,000 63,236,000 20,114,000 19,782,000 17,182,000    17,048,000    15,702,000    8,154,000                                                  
        total current liabilities
      226,072,000 220,841,000 237,546,000 243,286,000 283,424,000 253,336,000 280,633,000 312,960,000 420,609,000 373,324,000 355,662,000 415,824,000 127,422,000 120,284,000 121,607,000 96,879,000 91,605,000 81,010,000 98,996,000 93,726,000 422,709,000 94,443,000 95,247,000 100,063,000 90,140,000 89,694,000 86,225,000 90,217,000 81,551,000 72,272,000 74,951,000 74,474,000 73,551,000 72,335,000 69,249,000 61,959,000 65,881,000 78,911,000 68,636,000 64,589,000 68,252,000 56,540,000 60,064,000 142,347,000 131,911,000 136,158,000 47,712,000 42,102,000 45,973,000 45,537,000 39,100,000 43,108,000 40,900,000 42,457,000 43,110,000 39,778,000 42,019,000 40,269,000 40,642,000 32,826,000 30,905,000 30,419,000 32,488,000 43,300,000 36,715,000 39,053,000 43,693,000 31,134,000 34,494,000 35,131,000 34,221,000 51,647,000 45,386,000 35,288,000 30,720,000 
        senior secured 2032 notes, net of unamortized debt costs of 1,957 and 2,020, respectively
      598,043,000                                                                           
        senior unsecured 2027 notes, net of unamortized debt costs of 1,034 and 1,236, respectively, and discounts of 3,633 and 4,344, respectively
      745,333,000                                                                           
        secured ipv4 notes, net of debt costs of 8,339 and 8,863, respectively
      372,061,000                                                                           
        operating lease liabilities, net of current maturities
      263,698,000 269,753,000 278,761,000 298,515,000 295,864,000 302,004,000 270,932,000 309,055,000 320,898,000 330,095,000 330,993,000 455,713,000 91,922,000 94,587,000 99,438,000 110,735,000 111,656,000 111,794,000 115,065,000 115,949,000 109,377,000 111,318,000 101,447,000 99,151,000 88,335,000 86,690,000 85,331,000 83,456,000 84,645,000                                               
        finance lease obligations, net of current maturities
      604,981,000 597,239,000 576,851,000 578,634,000 543,852,000 517,161,000 460,632,000 405,176,000 453,473,000 419,921,000 419,941,000 311,405,000 300,600,000 287,044,000 263,750,000 236,652,000 228,102,000 228,822,000 222,854,000 208,588,000 202,514,000 203,438,000 197,688,000 189,044,000 159,678,000 161,635,000 160,178,000 160,487,000 157,541,000                                               
        deferred income tax liabilities
      321,724,000 333,294,000 351,544,000 362,464,000 379,712,000 398,266,000 382,987,000 406,335,000 436,504,000 471,498,000 388,273,000 424,507,000                                                                
        other long-term liabilities
      28,816,000 28,568,000 30,275,000 29,943,000 34,340,000 40,129,000 47,102,000 58,133,000 67,355,000 61,639,000 79,435,000 71,173,000 82,427,000 82,636,000 83,728,000 66,871,000 63,142,000 44,609,000 28,989,000 19,346,000  14,792,000                                            2,499,000 2,827,000 3,091,000  2,549,000 2,413,000 2,759,000  2,533,000 1,621,000 
        total liabilities
      3,160,728,000 3,163,632,000 3,187,441,000 3,223,863,000 2,977,878,000 2,950,254,000 2,880,541,000 2,928,650,000 2,644,768,000 2,602,063,000 2,519,553,000 2,623,537,000 1,546,959,000 1,528,814,000 1,512,467,000 1,454,765,000 1,378,375,000 1,357,655,000 1,365,516,000 1,346,888,000 1,160,521,000 1,293,643,000 1,261,605,000 1,240,951,000 1,135,850,000 1,135,803,000 1,122,845,000 1,125,655,000 961,234,000 883,163,000 814,865,000 813,508,000 809,983,000 803,640,000 796,287,000 658,108,000 655,767,000 683,478,000 671,804,000 660,199,000 659,794,000 675,797,000 682,165,000 562,247,000 537,218,000 466,834,000 460,376,000 431,902,000 434,068,000 432,302,000 419,465,000 425,642,000 415,954,000 221,913,000 215,710,000 212,336,000 209,741,000 206,202,000 202,335,000 309,915,000 327,064,000 325,945,000 311,522,000 127,227,000 121,244,000 124,302,000 130,297,000 124,957,000 130,372,000 130,718,000 132,055,000 173,980,000 166,096,000 163,483,000 157,232,000 
        commitments and contingencies:
                                                                                 
        stockholders’ deficit:
                                                                                 
        common stock, 0.001 par value...
      50,000 50,000 49,000 49,000 49,000 49,000 49,000 49,000 49,000 49,000 49,000 49,000 48,000 48,000 48,000 48,000 48,000 48,000 48,000 48,000 48,000 47,000 47,000 47,000 47,000 47,000 47,000 47,000 46,000 46,000 46,000 46,000 46,000 46,000 45,000 45,000 45,000 45,000 45,000 46,000 46,000 46,000 46,000 47,000 47,000 47,000 47,000 47,000 47,000 46,000 46,000 46,000 46,000 46,000 46,000 45,000 45,000 44,000 44,000 45,000 46,000 48,000 48,000 49,000 49,000 49,000 48,000 44,000 44,000 44,000 44,000 32,000 1,000 16,000 16,000 
        additional paid-in capital
      651,538,000 643,256,000 637,710,000 632,702,000 639,248,000 629,829,000 620,410,000 610,905,000 614,535,000 606,755,000 598,494,000 589,573,000 582,524,000 575,064,000 568,065,000 561,161,000 554,552,000 547,734,000 540,575,000 533,049,000 523,913,000 515,867,000 513,454,000 506,391,000 499,455,000 493,178,000 487,396,000 481,734,000 475,275,000 472,817,000 467,007,000 461,154,000 452,369,000 447,852,000 445,976,000 442,125,000 440,200,000 436,793,000 431,223,000 440,401,000 456,016,000 467,846,000 480,794,000 496,453,000 505,787,000 503,241,000 500,352,000 494,458,000 491,494,000 490,474,000 486,945,000 487,523,000 485,183,000 480,481,000 478,445,000 476,417,000 473,599,000 471,891,000 468,922,000 386,891,000 394,587,000 418,116,000 432,607,000 479,949,000 478,140,000 476,842,000 474,304,000 434,318,000 440,500,000 439,756,000 439,904,000 376,329,000 236,692,000 236,179,000 235,786,000 
        accumulated other comprehensive income
      -6,327,000 1,428,000                    -1,306,000    -12,326,000                  1,674,000       1,556,000 4,874,000 4,029,000 1,701,000  825,000                  572,000 304,000 
        accumulated deficit
      -749,423,000 -708,582,000 -675,497,000 -584,887,000 -477,520,000      -136,654,000 -34,795,000 -1,113,751,000 -1,074,588,000 -1,031,465,000 -980,729,000 -950,038,000 -909,877,000 -888,832,000 -864,498,000 -825,004,000 -807,774,000 -766,694,000 -729,082,000 -705,908,000 -684,578,000 -662,268,000 -647,404,000                                    -274,363,000            
        total stockholders’ deficit
      -104,162,000            -548,547,000 -518,632,000 -491,765,000 -440,181,000 -408,606,000 -373,098,000 -356,767,000 -336,141,000 -307,559,000  -260,691,000 -235,550,000 -222,225,000  -190,501,000 -176,590,000                                                
        total liabilities and stockholders’ deficit
      3,056,566,000            998,412,000 1,010,182,000 1,020,702,000 1,014,584,000 969,769,000  1,008,749,000 1,010,747,000 852,962,000  1,000,914,000 1,005,401,000 913,625,000  932,344,000 949,065,000 797,003,000 757,319,000 700,229,000 716,453,000 729,860,000 732,439,000 732,675,000 617,622,000 626,378,000 665,096,000                                      
        due from t-mobile, ip transit services agreement, current portion, net of discount of 10,401 and 16,915, respectively
       89,599,000                                                                          
        due from t-mobile, transition services agreement
       119,000 231,000 119,000  62,000  3,862,000 3,232,000 4,514,000 16,831,000 7,015,000                                                                
        due from t-mobile, ip transit services agreement, net of discount of 2,255 and 12,122, respectively
       89,412,000                                                                          
        due from t-mobile, purchase agreement, net of discount of 4,006 and 5,755, respectively
       24,109,000                                                                          
        due to t-mobile – transition services agreement
        18,000 9,000 218,000 525,000 1,570,000 2,286,000 5,816,000 66,908,000 69,629,000 118,777,000                                                                
        senior secured 2032 notes, net of unamortized debt costs of 2,020
       597,980,000                                                                          
        senior secured 2026 notes, net of unamortized debt costs of 375 and discount of 499
                                                                                 
        senior unsecured 2027 notes, net of unamortized debt costs of 1,236 and 2,013, respectively, and discounts of 4,344 and 7,053, respectively
       744,420,000                                                                          
        secured ipv4 notes, net of debt costs of 8,863 and 6,702, respectively
       371,537,000                                                                          
        commitments and contingencies
                                                                                 
        stockholders’ (deficit) equity:
                                                                                 
        total stockholders’ (deficit) equity
       -63,848,000 -39,170,000                                                                         
        total liabilities and stockholders’ (deficit) equity
       3,099,784,000 3,148,271,000                                                                         
        due from t-mobile, ip transit services agreement, current portion, net of discount of 12,076 and 16,915, respectively
        87,924,000                                                                         
        due from t-mobile, ip transit services agreement, net of discount of 4,083 and 12,312, respectively
        112,584,000                                                                         
        due from t-mobile, purchase agreement, net of discount of 4,455 and 5,755, respectively
        23,659,000                                                                         
        senior unsecured 2027 notes, net of unamortized debt costs of 1,436 and 2,013, respectively, and discounts of 5,041 and 7,053, respectively
        743,523,000                                                                         
        secured ipv4 notes, net of unamortized debt costs of 9,377 and 6,702, respectively
        371,023,000                                                                         
        senior secured 2032 notes, net of unamortized debt costs of 2,082
        597,918,000                                                                         
        accumulated other comprehensive loss
        -1,432,000 -1,196,000 -18,933,000 -30,685,000 -12,294,000 -21,141,000 -19,419,000 -14,385,000 -19,761,000 -15,627,000 -17,368,000 -19,156,000    -11,003,000                                                          
        due from t-mobile, ip transit services agreement, current portion, net of discount of 13,720 and 16,915, respectively
         86,280,000                                                                        
        due from t-mobile, ip transit services agreement, net of discount of 6,343 and 12,312, respectively
         135,323,000                                                                        
        due from t-mobile, purchase agreement, net of discount of 4,897 and 5,755, respectively
         23,218,000                                                                        
        senior unsecured 2027 notes, net of unamortized debt costs of 1,632 and 2,013, respectively, and discounts of 5,724 and 7,053, respectively
         742,644,000                                                                        
        secured ipv4 notes, net of unamortized debt costs of 9,880 and 6,702, respectively
         370,520,000                                                                        
        senior secured 2032 notes, net of unamortized debt costs of 2,143
         597,857,000                                                                        
        stockholders’ equity:
                                                                                 
        total stockholders’ equity
         46,668,000 142,844,000 222,848,000 323,553,000 415,523,000 500,644,000 609,556,000 442,128,000 539,200,000                           1,102,000 22,189,000 54,252,000 108,664,000 140,622,000 163,000,000 155,035,000 154,538,000 155,861,000 160,983,000 161,149,000 164,987,000 158,639,000 162,254,000 156,954,000 147,618,000 142,263,000 144,022,000 144,608,000 144,865,000 144,500,000 81,172,000 89,407,000 118,434,000 152,145,000 208,231,000 215,632,000 224,212,000 233,293,000 208,161,000 221,001,000 237,631,000 250,454,000 200,307,000 212,490,000 209,780,000 226,078,000 
        total liabilities and stockholders’ equity
         3,270,531,000 3,120,722,000 3,173,102,000 3,204,094,000 3,344,173,000 3,145,412,000 3,211,619,000 2,961,681,000 3,162,737,000      984,557,000                     672,906,000 682,388,000 714,046,000 784,461,000 822,787,000 725,247,000 692,253,000 621,372,000 616,237,000 592,885,000 595,217,000 597,289,000 578,104,000 587,896,000 572,908,000 369,531,000 357,973,000 356,358,000 354,349,000 351,067,000 346,835,000 391,087,000 416,471,000 444,379,000 463,667,000 335,458,000 336,876,000 348,514,000 363,590,000 333,118,000 351,373,000 368,349,000 382,509,000 374,287,000 378,586,000 373,263,000 383,310,000 
        due from t-mobile, ip transit services agreement, current portion, net of discount of 15,332 and 16,915, respectively
          84,668,000                                                                       
        ipv4 intangible assets
          458,000,000 458,000,000 458,000,000 458,000,000 458,000,000                                                                   
        due from t-mobile, ip transit services agreement, net of discount of 9,029 and 12,312, respectively
          157,637,000                                                                       
        due from t-mobile, purchase agreement, net of discount of 5,330 and 5,755, respectively
          22,785,000                                                                       
        senior secured 2026 notes, net of unamortized debt costs of 306 and 375, respectively, and discounts of 408 and 499, respectively
          499,286,000                                                                       
        senior unsecured 2027 notes, net of unamortized debt costs of 1,824 and 2,013, respectively, and discounts of 6,395 and 7,053, respectively
          741,781,000                                                                       
        secured ipv4 notes, net of debt costs of 6,381 and 6,702, respectively
          199,619,000                                                                       
        due from t-mobile, ip transit services agreement, current portion, net of discount of 16,915 and 24,898, respectively
           83,085,000                                                                      
        due from t-mobile, ip transit services agreement, net of discount of 12,132 and 27,916, respectively
           179,534,000                                                                      
        due from t-mobile, purchase agreement, net of discount of 5,755 and 13,725, respectively
           22,360,000                                                                      
        due to t-mobile – purchase agreement
              4,981,000 4,981,000 4,981,000 3,492,000                                                                
        senior secured 2026 notes, net of unamortized debt costs of 375 and 645, respectively, and discount of 499 and 857, respectively
           499,126,000                                                                      
        senior unsecured 2027 notes, net of unamortized debt costs of 2,013 and 941, respectively, and discounts of 7,053 and 1,970, respectively
           740,934,000                                                                      
        secured ipv4 notes, net of debt costs of 6,702
           199,298,000                                                                      
        accumulated (deficit) earnings
           -376,345,000 -284,612,000 -174,290,000 -94,521,000                                                                   
        due from t-mobile, ip transit services agreement, current portion, net of discount of 18,468 and 24,898, respectively
            81,532,000                                                                     
        due from t-mobile, ip transit services agreement, net of discount of 15,644 and 27,916, respectively
            201,022,000                                                                     
        due from t-mobile, purchase agreement, net of discount of 6,172 and 13,725, respectively
            21,943,000                                                                     
        senior secured 2026 notes, net of unamortized debt costs of 443 and 645, respectively, and discounts of 590 and 857, respectively
            498,967,000                                                                     
        senior unsecured 2027 notes, net of unamortized debt costs of 1,997 and 941, respectively, and discounts of 7,699 and 1,970, respectively
            740,304,000                                                                     
        secured ipv4 notes, net of debt costs of 7,016
            198,984,000                                                                     
        due from t-mobile, ip transit services agreement, current portion, net of discount of 19,992 and 24,898, respectively
             80,008,000                                                                    
        due from t-mobile, ip transit services agreement, net of discount of 19,558 and 27,916, respectively
             222,108,000                                                                    
        due from t-mobile, purchase agreement, net of discount of 6,581 and 13,725, respectively
             21,534,000                                                                    
        senior secured 2026 notes, net of unamortized debt costs of 511 and 645, respectively, and discounts of 680 and 857, respectively
             498,809,000                                                                    
        senior unsecured 2027 notes, net of unamortized debt costs of 2,163 and 941, respectively, and discounts of 8,332 and 1,970, respectively
             739,505,000                                                                    
        secured ipv4 notes, net of debt costs of 7,323
             198,677,000                                                                    
        due from t-mobile, ip transit services agreement, current portion, net of discount of 21,878 and 24,898, respectively
              119,788,000                                                                   
        due from t-mobile, ip transit services agreement, net of discount of 23,606 and 27,916, respectively
              243,061,000                                                                   
        due from t-mobile, purchase agreement, net of discount of 6,982 and 13,725, respectively
              21,132,000                                                                   
        accrued dividend payable
              45,789,000                                                                   
        senior secured 2026 notes, net of unamortized debt costs of 578 and 645, respectively, and discounts of 769 and 857, respectively
              498,653,000                                                                   
        senior unsecured 2027 notes, net of unamortized debt costs of 880 and 941, respectively, and discounts of 1,844 and 1,970, respectively
              447,276,000                                                                   
        due from t-mobile, ip transit services agreement, current portion, net of discount of 24,898
               179,269,000                                                                  
        intangible assets
               472,815,000 54,362,000 56,070,000                                                  182,000 599,000 821,000 1,150,000 1,473,000 1,802,000 2,142,000  29,889,000 29,879,000 29,929,000 30,240,000 28,549,000 27,809,000 
        due from t-mobile, ip transit services agreement, net of discount of 27,916
               263,750,000                                                                  
        due from t-mobile, purchase agreement, net of discount of 13,725
               38,585,000                                                                  
        senior secured 2026 notes, net of unamortized debt costs of 645 and 905, respectively, and discount of 857 and 1,203, respectively
               498,498,000                                                                  
        senior unsecured 2027 notes, net of unamortized debt costs of 941 and 1,173, respectively, and discount of 1,970 and 2,456, respectively
               447,088,000                                                                  
        accumulated earnings
               17,137,000                                                                  
        due from t-mobile, ip transit services agreement, current portion, net of discount of 29,029
                237,637,000                                                                 
        due from t-mobile, ip transit services agreement, net of discount of 32,613
                284,054,000                                                                 
        due from t-mobile, purchase agreement, net of discount of 14,444
                37,865,000                                                                 
        liabilities and stockholders’ (deficit) equity
                                                                                 
        senior secured 2026 notes, net of unamortized debt costs of 710 and 905, respectively, and discounts of 945 and 1,203, respectively
                498,345,000                                                                 
        senior unsecured 2027 notes, net of unamortized debt costs of 1,001 and 1,173, respectively, and discounts of 2,095 and 2,456, respectively
                446,904,000                                                                 
        stockholders’ equity
                                                                                 
        due from t-mobile, ip transit services agreement, current portion, net of discount of 32,391
                 291,160,000                                                                
        due from t-mobile, ip transit services agreement, net of discount of 39,550
                 307,732,000                                                                
        due from t-mobile, purchase agreement, net of discount of 16,526
                 40,534,000                                                                
        senior secured 2026 notes, net of unamortized debt costs of 776 and 905, respectively, and discount of 1,032 and 1,203, respectively
                 498,192,000                                                                
        senior unsecured 2027 notes, net of unamortized debt costs of 1,059 and 1,173, respectively, and discount of 2,218 and 2,456, respectively
                 446,723,000                                                                
        senior secured 2026 notes, net of unamortized debt costs of 840 and 905, respectively, and discount of 1,118 and 1,203, respectively
                  498,042,000                                                               
        senior unsecured 2027 notes, net of unamortized debt costs of 1,116 and 1,173, respectively, and discount of 2,338 and 2,456, respectively
                  446,546,000                                                               
        installment payment agreement, current portion, net of discount of 6
                                                                                 
        senior unsecured 2024 notes, net of unamortized debt costs of 2,121 and net of discount of 772
                                                                                 
        senior secured 2026 notes, net of unamortized debt costs of 905 and 1,156, respectively, and discount of 1,203 and 1,536, respectively
                   497,892,000                                                              
        senior unsecured 2027 notes, net of unamortized debt costs of 1,173 and discount of 2,456
                   446,371,000                                                              
        liabilities and stockholders’ deficit
                                                                                 
        current maturities, finance lease obligations
                    24,135,000 17,562,000 17,147,000  16,685,000 16,004,000 15,996,000  15,252,000 14,734,000 8,268,000  7,884,000 7,700,000 7,293,000                                               
        senior unsecured 2027 notes, net of unamortized debt costs of 1,228 and net of discount of 2,572
                    446,200,000                                                             
        senior secured 2026 notes, net of unamortized debt costs of 969 and 1,156, respectively, and net of discounts of 1,287 and 1,536, respectively
                    497,744,000                                                             
        senior unsecured 2024 euro notes, net of unamortized debt costs of 2,121 and net of discount of 772
                                                                                 
        accumulated other comprehensive loss — foreign currency translation
                    -28,413,000 -20,661,000                                                            
        senior unsecured 2027 notes, net of unamortized debt costs of 1,283 and net of discount of 2,686
                     446,031,000                                                            
        senior secured 2026 notes, net of unamortized debt costs of 1,032 and 1,156, respectively, and net of discounts of 1,371 and 1,536, respectively
                     497,597,000                                                            
        installment payment agreement, current portion
                      218,000                                                           
        senior unsecured 2024 euro notes, net of unamortized debt costs of 1,917 and 2,121, respectively, and net of discount of 684 and 772, respectively
                      386,418,000                                                           
        senior secured 2026 notes, net of unamortized debt costs of 1,094 and 1,156, respectively, and net of discount of 1,454 and 1,536, respectively
                      497,452,000                                                           
        accumulated other comprehensive income — foreign currency translation
                      -13,168,000  -8,558,000 -4,740,000 -6,516,000  -7,498,000 -12,906,000 -15,819,000  -15,676,000 -10,967,000               1,630,000  1,541,000     1,041,000                          
        installment payment agreement, current portion, net of discount of 6 and 136, respectively
                       785,000                                                          
        senior secured 2022 notes, net of unamortized debt costs of 1,052 and including premium of 544
                                                                                 
        senior unsecured 2024 euro notes, net of unamortized debt costs of 2,121 and 2,961, respectively and net of discount of 772 and 1,142, respectively
                       394,112,000                                                          
        senior unsecured 2026 notes, net of unamortized debt costs of 1,156 and discount of 1,536
                       497,308,000                                                          
        liabilities and stockholders' equity
                                                                                 
        installment payment agreement, current portion, net of discounts of 18 and 136, respectively
                        1,850,000                                                         
        senior unsecured 2024 euro notes, net of unamortized debt costs of 2,327 and 2,961, respectively, and net of discounts of 863 and 1,142, respectively
                        402,447,000                                                         
        senior secured 2026 notes, net of unamortized debt costs of 1,217 and discount of 1,618
                        497,165,000                                                         
        installment payment agreement, current portion, net of discounts of 41 and 136, respectively
                         3,324,000                                                        
        senior secured 2022 notes, net of unamortized debt costs of 1,052 and including premiums of 544
                                                                                 
        senior unsecured 2024 euro notes, net of unamortized debt costs of 2,538 and 2,961, respectively and net of discounts of 959 and 1,142, respectively
                         412,254,000                                                        
        senior secured 2026 notes, net of unamortized debt costs of 1,277 and discount of 1,698
                         497,025,000                                                        
        senior secured 2022 notes, net of unamortized debt costs of 733 and including premium of 430
                          328,777,000                                                       
        installment payment agreement, current portion, net of discount of 80 and 136, respectively
                          5,035,000                                                       
        senior unsecured 2024 euro notes, net of unamortized debt costs of 2,751 and 2,961, respectively, and net of discount of 1,020 and 1,142, respectively
                          406,700,000                                                       
        other long term liabilities
                          19,221,000  16,800,000 19,943,000 17,815,000 15,327,000 13,014,000 7,588,000 5,795,000 26,717,000 27,350,000 27,196,000 28,351,000 28,909,000 29,062,000 26,519,000 24,728,000 27,576,000 29,961,000 25,125,000 22,858,000 21,227,000 21,367,000 20,536,000 10,775,000 10,828,000 10,438,000 9,913,000 11,260,000 10,376,000 6,056,000 6,232,000 6,055,000 4,946,000 4,092,000 3,542,000 3,465,000 3,419,000 3,316,000 2,825,000 2,472,000 2,449,000 2,239,000 2,391,000 2,510,000    3,471,000    1,816,000   
        installment payment agreement, current portion, net of discount of 136 and 350, respectively
                           6,786,000                                                      
        senior unsecured 2024 euro notes, net of unamortized debt costs of 2,961 and 1,410, respectively and net of discount of 1,142 and 0, respectively
                           425,160,000                                                      
        senior secured 2022 notes, net of unamortized debt costs of 1,052 and 1,897 respectively and including premium of 544 and 985, respectively
                           444,492,000                                                      
        senior unsecured 2021 notes, net of unamortized debt costs of 857
                                                                                 
        stockholders' equity:
                                                                                 
        total stockholders' deficit
                           -293,166,000    -203,679,000                                                  
        total liabilities and stockholders' equity
                           1,000,477,000    932,124,000                                                  
        installment payment agreement, current portion, net of discounts of 245 and 350, respectively
                            8,292,000                                                     
        senior secured 2022 notes, net of unamortized debt costs of 1,267 and 1,897, respectively and including premiums of 656 and 985, respectively
                            444,389,000                                                     
        senior unsecured 2024 euro notes, net of unamortized debt costs of 3,166 and 1,410, respectively and net of discounts of 1,164 and 0, respectively
                            406,034,000                                                     
        installment payment agreement, current portion, net of discounts of 291 and 350, respectively
                             9,374,000                                                    
        senior secured 2022 notes, net of unamortized debt costs of 1,480 and 1,897, respectively and including premiums of 767 and 985, respectively
                             444,287,000                                                    
        senior unsecured 2024 euro notes, net of unamortized debt costs of 3,365 and 1,410, respectively and net of discounts of 1,183 and 0, respectively
                             388,463,000                                                    
        ​
                                                                                 
        deferred tax assets
                              275,000 335,000 613,000  159,000 6,326,000 9,038,000 11,241,000 32,668,000 35,661,000 38,914,000                                         
        installment payment agreement, current portion, net of discount of 313 and 350, respectively
                              9,122,000                                                   
        senior unsecured 2024 euro notes, net of unamortized debt costs of 1,341 and 1,410, respectively
                              147,166,000                                                   
        senior secured 2022 notes, net of unamortized debt costs of 1,690 and 1,897, respectively and including premium of 877 and 985, respectively
                              444,187,000                                                   
        senior unsecured 2021 notes, net of unamortized debt costs of 696 and 857, respectively
                              188,529,000                                                   
        installment payment agreement, current portion, net of discount of 350 and 395, respectively
                               9,063,000                                                  
        senior unsecured 2024 euro notes, net of unamortized debt costs of 1,410
                               150,001,000                                                  
        senior secured 2022 notes, net of unamortized debt costs of 1,897 and 2,695 respectively and including premium of 985 and 1,405, respectively
                               444,088,000                                                  
        senior unsecured 2021 notes, net of unamortized debt costs of 857 and 1,476, respectively
                               188,368,000                                                  
        installment payment agreement, current portion, net of discount of 391 and 395, respectively
                                9,078,000                                                 
        senior secured 2022 notes, net of unamortized debt costs of 2,101 and 2,695, respectively and including premium of 1,092 and 1,405, respectively
                                443,991,000                                                 
        senior unsecured 2024 euro notes, net of unamortized debt costs of 1,483
                                145,896,000                                                 
        senior unsecured 2021 notes, net of unamortized debt costs of 1,015 and 1,476, respectively
                                188,210,000                                                 
        installment payment agreement, current portion, net of discount of 396 and 395, respectively
                                 8,693,000                                                
        senior secured 2022 notes, net of unamortized debt costs of 2,301 and 2,695, respectively and including premium of 1,197 and 1,405, respectively
                                 443,896,000                                                
        senior unsecured 2024 euro notes, net of unamortized debt costs of 1,550
                                 151,957,000                                                
        senior unsecured 2021 notes, net of unamortized debt costs of 1,171 and 1,476, respectively
                                 188,054,000                                                
        installment payment agreement, current portion, net of discount of 436 and 395, respectively
                                  8,686,000                                               
        senior secured 2022 notes, net of unamortized debt costs of 2,500 and 2,695, respectively and including premium of 1,302 and 1,405, respectively
                                  443,802,000                                               
        senior unsecured 2021 notes, net of unamortized debt costs of 1,325 and 1,476, respectively
                                  187,900,000                                               
        installment payment agreement, current portion, net of discount of 450 and 337, respectively
                                   8,617,000                                              
        current maturities, capital lease obligations
                                   8,665,000 8,428,000 7,003,000 6,698,000 7,635,000 7,215,000 6,122,000 6,086,000 5,584,000 7,670,000 8,187,000 13,286,000 8,980,000 8,341,000 8,121,000 8,572,000 7,014,000 6,701,000 7,415,000 9,218,000 9,741,000 9,914,000 8,204,000 7,676,000 6,706,000 9,562,000 5,568,000 10,841,000 12,356,000 10,444,000 5,821,000 7,917,000 7,716,000 6,776,000 6,533,000 6,027,000    6,698,000    7,488,000 5,799,000 6,049,000 
        senior secured 2022 notes, net of unamortized debt costs of 2,887 and 1,870, respectively and including premium of 1,507 and 382, respectively
                                   443,620,000                                              
        senior unsecured 2021 notes, net of unamortized debt costs of 1,625 and 2,060, respectively
                                   187,600,000                                              
        capital lease obligations, net of current maturities
                                   152,954,000 151,439,000 150,939,000 147,623,000 142,155,000 137,917,000 134,229,000 129,933,000 131,371,000 123,207,000 120,485,000 118,684,000 153,495,000 155,899,000 154,233,000 148,822,000 144,848,000 143,195,000 123,919,000 122,350,000 123,357,000 124,089,000 127,444,000 121,474,000 104,568,000 99,816,000 101,548,000 99,160,000 98,565,000 95,552,000 97,559,000 97,505,000 97,053,000 81,243,000 81,536,000 82,019,000 82,750,000 83,777,000 83,524,000 85,694,000 86,763,000 89,556,000 93,229,000 95,887,000   
        installment payment agreement, current portion, net of discount of 413 and 337, respectively
                                    8,746,000                                             
        senior secured 2022 notes, net of unamortized debt costs of 1,668 and 1,870, respectively and including premium of 340 and 382, respectively
                                    373,672,000                                             
        senior unsecured 2021 notes, net of unamortized debt costs of 1,772 and 2,060, respectively
                                    187,453,000                                             
        deposits and other assets - 756 and 736 restricted, respectively
                                     11,893,000                                            
        installment payment agreement, current portion, net of discount of 355 and 337, respectively
                                     8,309,000                                            
        senior secured 2022 notes, net of unamortized debt costs of 1,769 and 1,870, respectively and including premium of 360 and 382, respectively
                                     373,591,000                                            
        senior unsecured 2021 notes, net of unamortized debt costs of 1,917 and 2,060, respectively
                                     187,308,000                                            
        deposits and other assets - 727 and 128 restricted, respectively
                                      5,872,000                                           
        installment payment agreement, current portion, net of discount of 309 and 204, respectively
                                      7,090,000                                           
        senior secured 2022 notes, net of unamortized debt costs of 1,969 and 2,257, respectively and including premium of 402 and 462, respectively
                                      373,433,000                                           
        senior unsecured 2021 notes, net of unamortized debt costs of 2,200 and 2,575, respectively
                                      187,025,000                                           
        deposits and other assets - 705 and 128 restricted, respectively
                                       6,759,000                                          
        installment payment agreement, current portion, net of discount of 312 and 204, respectively
                                       6,004,000                                          
        senior secured 2022 notes, net of unamortized debt costs of 2,066 and 2,257, respectively and including premium of 421 and 462, respectively
                                       373,355,000                                          
        senior unsecured 2021 notes, net of unamortized debt costs of 2,339 and 2,575, respectively
                                       186,886,000                                          
        deposits and other assets - 663 and 128 restricted, respectively
                                        6,985,000                                         
        installment payment agreement, current portion, net of discount of 306 and 204, respectively
                                        4,602,000                                         
        senior secured 2022 notes, net of unamortized debt costs of 2,162 and 2,257, respectively and including premium of 441 and 462, respectively
                                        373,279,000                                         
        senior unsecured 2021 notes, net of unamortized debt costs of 2,445 and 2,575, respectively
                                        186,780,000                                         
        deferred tax assets - noncurrent
                                         36,716,000 39,548,000 42,858,000 45,037,000 47,448,000 48,085,000 49,175,000 50,122,000 49,710,000                                
        deposits and other assets - 132 and 355 restricted, respectively
                                         7,877,000                                        
        installment payment agreement, current portion, net of discount of 106 and 678, respectively
                                         1,028,000                                        
        senior secured 2022 notes, net of unamortized debt costs of 1,121 and 1,252, respectively
                                         248,879,000                                        
        senior unsecured 2021 notes, net of unamortized debt costs of 2,703 and 3,305, respectively
                                         186,522,000                                        
        deposits and other assets - 131 and 355 restricted, respectively
                                          8,210,000                                       
        installment payment agreement, current portion, net of discount of 678
                                                                                 
        senior secured 2022 notes, net of unamortized debt costs of 1,165 and 1,252, respectively
                                          248,835,000                                       
        senior unsecured 2021 notes, net of unamortized debt costs of 2,835 and 3,305, respectively
                                          186,390,000                                       
        deposits and other assets - 133 and 355 restricted, respectively
                                           8,363,000                                      
        installment payment agreement, current portion, net of discount of 540 and 678, respectively
                                           13,406,000                                      
        senior secured 2022 notes, net of unamortized debt costs of 1,209 and 1,252, respectively
                                           248,791,000                                      
        senior unsecured 2021 notes, net of unamortized debt costs of 3,171 and 3,305, respectively
                                           196,829,000                                      
        deposits and other assets - 357 and 389 restricted, respectively
                                            10,670,000                                     
        senior secured notes including premium of 4,230
                                                                                 
        senior secured notes
                                            250,000,000 250,000,000 250,000,000     175,000,000 175,000,000 175,000,000 175,000,000 175,000,000 175,000,000 175,000,000 175,000,000                       
        senior unsecured notes
                                            200,000,000 200,000,000 200,000,000 200,000,000 200,000,000                                 
        deposits and other assets - 381 and 389 restricted, respectively
                                             10,863,000                                    
        deposits and other assets - 380 and 389 restricted, respectively
                                              10,563,000                                   
        deposits and other assets - 392 and 448 restricted, respectively
                                               13,333,000                                  
        accrued liabilities
                                               31,257,000 34,754,000 27,221,000 23,935,000 27,552,000 24,346,000 20,807,000 25,468,000 20,480,000 19,215,000 23,966,000 20,017,000 19,852,000 16,556,000 17,720,000 16,089,000 14,476,000 18,507,000 13,766,000 12,102,000 12,506,000 15,193,000 14,405,000 12,614,000 15,154,000 14,703,000 14,954,000 16,275,000 17,038,000 16,324,000 19,310,000 21,808,000 15,066,000 12,313,000 
        convertible senior notes - current portion, net of discount of 3,099
                                                                                 
        senior secured notes including premium of 4,535 and 5,423, respectively
                                               244,535,000                                  
        deposits and other assets - 447 and 448 restricted, respectively
                                                13,181,000                                 
        senior secured notes including premium of 4,835 and 5,423, respectively
                                                244,835,000                                 
        deposits and other assets - 448 and 448 restricted, respectively
                                                 8,698,000                                
        convertible senior notes — current portion, net of discount of 1,414 and 3,099, respectively
                                                 90,564,000                                
        senior secured notes including premium of 5,131 and 5,423, respectively
                                                 245,131,000                                
        deposits and other assets - 445 and 442 restricted, respectively
                                                  14,169,000                               
        convertible senior notes - current portion, net of discount of 4,750
                                                  87,228,000                               
        senior secured notes, including premium of 5,710 and 0, respectively
                                                  245,710,000                               
        convertible senior notes, net of discount of 9,494
                                                                                 
        deposits and other assets - 440 and 442 restricted, respectively
                                                   13,728,000                              
        convertible senior notes - current portion, net of discount of 6,365
                                                   85,613,000                              
        deposits and other assets - 438 and 442 restricted, respectively
                                                    13,955,000                             
        convertible senior notes, net of discount of 7,947 and 9,494 respectively
                                                    84,031,000                             
        deposits and other assets - 456 and 457 restricted, respectively
                                                     15,181,000                            
        convertible senior notes, net of discount of 11,010 and 15,366 respectively
                                                     80,968,000                            
        deposits and other assets - 453 and 457 restricted, respectively
                                                      15,663,000                           
        convertible senior notes, net of discount of 12,493 and 15,366 respectively
                                                      79,485,000                           
        deposits and other assets - 461 and 457 restricted, respectively
                                                       16,640,000                          
        convertible senior notes, net of discount of 13,946 and 15,366 respectively
                                                       78,032,000                          
        deposits and other assets - 463 and 462 restricted, respectively
                                                        10,475,000                         
        convertible senior notes, net of discount of 16,758 and 20,758, respectively
                                                        75,220,000                         
        deposits and other assets - 471 and 462 restricted, respectively
                                                         11,014,000                        
        convertible senior notes, net of discount of 18,120 and 20,758, respectively
                                                         73,858,000                        
        deposits and other assets - 467 and 462 restricted, respectively
                                                          11,297,000                       
        convertible senior notes, net of discount of 19,453 and 20,758 respectively
                                                          72,525,000                       
        deposits and other assets - 469 and 462 restricted, respectively
                                                           5,460,000                      
        convertible senior notes, net of discount of 25,708 and 22,036, respectively
                                                           69,942,000                      
        deposits and other assets - 469 and 448 restricted, respectively
                                                            5,016,000                     
        convertible senior notes, net of discount of 25,708 and 23,286, respectively
                                                            68,692,000                     
        deposits and other assets - 469 and 460 restricted, respectively
                                                             4,782,000                    
        convertible senior notes, net of discount of 25,708 and 24,510, respectively
                                                             67,468,000                    
        short term investments - restricted
                                                                 162,000 162,000 812,000              
        deposits and other assets - 1,091 and 634 restricted, respectively
                                                              3,670,000                   
        convertible senior notes, net of discount of 30,253 and 26,881 respectively
                                                              65,097,000                   
        stock purchase warrants
                                                              283,000 283,000 283,000 764,000 764,000 764,000 764,000 764,000 764,000 764,000 764,000 764,000 764,000 764,000 764,000 764,000 764,000 764,000 764,000 
        accumulated other comprehensive income —foreign currency translation adjustment
                                                              2,117,000 804,000                  
        deposits and other assets - 1,091 and 1,093 restricted, respectively
                                                               3,977,000                  
        convertible senior notes, net of discount of 30,253 and 28,029, respectively
                                                               63,949,000                  
        deposits and other assets - 1,091 and 1,043 restricted, respectively
                                                                3,702,000                 
        convertible senior notes, net of discount of 30,253 and 29,153, respectively
                                                                62,825,000                 
        accumulated other comprehensive income—foreign currency translation adjustment
                                                                 2,476,000 5,087,000 5,030,000 2,281,000 1,832,000 1,638,000    665,000    1,515,000   
        deposits and other assets - 306 and 323 restricted, respectively
                                                                 3,646,000 4,111,000               
        convertible senior notes, net of discount of 4,133 and 3,295, respectively
                                                                 176,705,000                
        convertible senior notes, net of discount of 4,133 and 3,818, respectively
                                                                  196,182,000               
        deposits and other assets - 306 restricted
                                                                   3,651,000              
        convertible senior notes, net of discount of 4,133 and 3,976, respectively
                                                                   196,024,000              
        short term investments
                                                                    650,000  80,000    1,283,000 754,000 921,000 355,000 509,000 601,000 1,839,000 
        convertible subordinated notes, net of discount of 1,213
                                                                                 
        convertible senior notes, net of discount of 4,448 - due june 2027
                                                                    195,552,000             
        convertible subordinated notes, net of discount of 1,213 and 489, respectively—due june 2007
                                                                     9,703,000            
        convertible subordinated notes, net of discount of 1,213—due june 2007
                                                                      8,978,000           
        convertible subordinated notes, net of discount of 3,478
                                                                                 
        deferred compensation
                                                                                 
        treasury stock
                                                                                 
        short term investments — restricted
                                                                       80,000 630,000 630,000        
        asset held for sale
                                                                       558,000       1,220,000   
        other assets
                                                                       4,181,000 4,326,000 4,313,000  4,620,000 4,805,000 5,114,000 4,825,000 4,949,000 5,199,000 
        convertible subordinated notes, net of discount of 1,854 — due june 2007
                                                                       8,337,000          
        capital lease obligations, current maturities
                                                                       6,303,000 6,187,000 5,828,000  6,525,000 7,071,000 7,195,000    
        accumulated other comprehensive income — foreign currency translation adjustment
                                                                       1,545,000 1,401,000 768,000        
        convertible subordinated notes, net of discount of 2,453 — due june 2007
                                                                        7,738,000         
        convertible subordinated notes, net of discount of 3,478 and 2,983, respectively
                                                                         7,208,000        
        total intangible assets
                                                                          2,554,000 1,492,000 1,058,000 1,604,000 3,125,000 3,047,000 4,227,000 
        amended and restated cisco note—related party
                                                                              17,842,000   
        convertible subordinated notes, net of discount of 5,026 and 3,478, respectively
                                                                          6,713,000       
        convertible preferred stock, series f, 0.001 par value...
                                                                              10,904,000 10,904,000 10,904,000 
        convertible preferred stock, series g, 0.001 par value...
                                                                              40,778,000 40,787,000 40,787,000 
        convertible preferred stock, series h, 0.001 par value...
                                                                              44,309,000 45,039,000 41,015,000 
        convertible preferred stock, series i, 0.001 par value...
                                                                              2,545,000 2,545,000 2,545,000 
        convertible preferred stock, series j, 0.001 par value...
                                                                              19,421,000 19,421,000 19,421,000 
        convertible preferred stock, series k, 0.001 par value...
                                                                              2,588,000 2,588,000  
        convertible preferred stock, series l, 0.001 par value...
                                                                              927,000 927,000  
        convertible preferred stock, series m, 0.001 par value...
                                                                              18,353,000   
        intangible assets:
                                                                                 
        accumulated amortization
                                                                                 
        amended and restated cisco note – related party
                                                                             10,842,000    
        convertible subordinated notes, net of discount of 5,026 and 3,916, respectively
                                                                           6,275,000      
        accumulated other comprehensive income – foreign currency translation adjustment
                                                                           763,000 559,000 1,134,000    
        convertible subordinated notes, net of discount of 5,026 and 4,326, respectively
                                                                            5,865,000     
        credit facility
                                                                             7,264,000    
        amended and restated cisco note, current maturity – related party
                                                                             7,000,000    
        convertible subordinated notes, net of discount of 5,026 and 4,688, respectively
                                                                             5,503,000    
        subordinated note – related party
                                                                             10,000,000    
        convertible subordinated notes, net of discount of 6,084 and 5,026, respectively
                                                                              5,165,000   
        accounts receivable — related party
                                                                               1,709,000 1,214,000 
        accounts payable—related party
                                                                               1,409,000 1,322,000 
        amended and restated cisco note
                                                                               17,842,000 17,842,000 
        convertible subordinated notes, net of discount of 6,084 and 5,326
                                                                               4,865,000  
        capital lease obligations, net of current
                                                                               102,955,000 102,464,000 
        convertible subordinated notes, net of discount of 6,084 and 5,606
                                                                                4,585,000 
      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 2022-06-30 2022-03-31 2021-12-31 2021-06-30 2021-03-31 2020-12-31 2020-06-30 2020-03-31 2019-12-31 2019-06-30 2019-03-31 2018-09-30 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-03-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-06-30 2010-03-31 2009-09-30 2009-06-30 2009-03-31 2008-09-30 2008-06-30 2008-03-31 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 
                                                                             
          cash flows from operating activities:
                                                                             
          net loss
        -39,542,000  -41,544,000 -57,807,000 -52,042,000                                                            -16,106,000 -16,151,000 -14,973,000   
          adjustments to reconcile net loss to net cash from operating activities:
                                                                             
          depreciation and amortization
        54,055,000 58,425,000 60,428,000 75,290,000 76,038,000 67,271,000 85,817,000 74,039,000 70,891,000 67,806,000 86,734,000 52,509,000 25,160,000 23,563,000 45,762,000 22,688,000 22,565,000 44,065,000 21,970,000 22,455,000 39,402,000 19,508,000 20,001,000 40,240,000 20,263,000 20,276,000 20,216,000 19,788,000 19,148,000 18,897,000 18,538,000 18,804,000 18,604,000 17,753,000 17,634,000 17,370,000 17,513,000 17,432,000 17,301,000 17,204,000 16,024,000 15,900,000 15,874,000                      12,432,000 12,796,000 13,680,000  13,369,000 
          amortization of debt costs and discounts
        1,501,000  1,718,000 1,342,000 1,192,000  1,258,000                                                               
          amortization of discounts, due from t-mobile, ip transit services & purchase agreements
        -3,551,000 -3,953,000 -4,345,000 -4,731,000 -5,111,000 -5,482,000 -5,847,000 -6,336,000 -6,850,000 -9,547,000 -10,963,000                                                           
          equity-based compensation expense
        7,563,000 4,808,000 8,932,000 4,664,000 8,013,000 7,348,000 7,874,000 3,566,000 6,950,000 6,683,000 7,411,000 6,249,000 6,581,000 6,265,000 11,963,000 6,056,000 6,053,000 14,181,000 7,307,000 5,846,000 11,157,000 5,075,000 4,940,000 8,724,000 3,434,000 4,821,000 4,695,000 3,784,000 3,734,000 3,225,000 2,647,000 2,991,000 2,687,000 2,181,000 2,704,000 3,099,000 3,141,000 2,692,000 1,872,000 2,006,000 2,061,000 2,137,000 2,514,000                           
          gains on lease terminations and other
        -2,928,000                                                                     
          deferred income taxes
        -11,570,000 -18,250,000 -10,920,000 -17,248,000 -18,554,000 15,279,000 -23,348,000 -10,485,000 -33,069,000 -6,073,000 -36,319,000 -28,080,000 890,000 11,857,000 3,138,000 -58,000 6,237,000 3,558,000 4,497,000 -1,818,000 4,253,000 2,439,000 2,873,000 4,831,000 2,572,000 2,712,000 2,192,000 2,623,000 3,209,000 3,397,000 3,229,000 2,820,000 3,310,000 2,323,000 2,355,000 653,000 822,000 1,139,000 -457,000 1,229,000 214,000 145,000 59,000                           
          changes in operating assets and liabilities:
                                                                             
          accounts receivable
        -3,046,000 7,803,000 -726,000 -7,172,000 8,979,000 2,631,000 12,111,000 -4,507,000 28,306,000 -47,755,000 1,671,000 -4,058,000 -860,000 265,000 -3,529,000 76,000 1,544,000 90,000 2,420,000 -1,600,000 -93,000 -2,790,000 1,110,000 1,005,000 2,264,000   1,355,000   43,000    -8,000 -997,000 2,123,000                               43,000 -2,653,000 
          prepaid expenses and other current assets
        -790,000 1,766,000 3,007,000 -8,483,000 2,261,000 -1,890,000 -16,849,000 12,010,000 890,000 -6,238,000 9,377,000 -11,221,000 -2,919,000 1,977,000 -5,150,000 -2,953,000 -1,751,000 2,696,000 2,826,000 482,000 -2,465,000 -3,093,000 1,132,000 -3,547,000                                        -174,000    -920,000 1,030,000 
          accounts payable, accrued liabilities and other long-term liabilities
        9,501,000 -23,243,000 -9,386,000 -35,932,000 18,148,000 -29,933,000 -33,756,000 -8,856,000 75,397,000 19,330,000 6,536,000 256,000 2,923,000 -2,509,000 37,014,000 31,317,000 -1,886,000 3,804,000 2,951,000 -501,000 1,523,000 1,067,000 3,692,000 5,088,000        -4,266,000 386,000 8,379,000 77,000 -1,399,000 2,088,000 -3,206,000    3,333,000 314,000                           
          deposits and other assets
        3,641,000 -3,845,000 -1,509,000 761,000 -2,328,000 2,408,000 -3,686,000 670,000 -3,358,000 -1,371,000 -310,000 97,000 36,000 -518,000 -146,000 -1,407,000 11,000 -141,000 474,000 -245,000 -397,000 -94,000 599,000 -3,783,000                78,000 420,000 183,000 24,000                           
          net cash from operating activities
        14,834,000 -5,992,000 3,100,000 -44,038,000 36,351,000 14,532,000 -20,226,000 -22,170,000 19,219,000 -48,698,000 -52,432,000 82,654,000 35,821,000 36,323,000 83,814,000 49,411,000 35,984,000 86,855,000 47,106,000 37,571,000 69,769,000 28,458,000 46,097,000 69,269,000             18,372,000 16,074,000 28,395,000 10,636,000 14,898,000 22,703,000 14,962,000 15,489,000 19,471,000 12,686,000 15,899,000 19,154,000 13,468,000 15,201,000 15,309,000 14,751,000 13,031,000 12,816,000 17,828,000 14,223,000 11,492,000 10,286,000 13,627,000    -1,591,000       
          capital expenditures
        -46,239,000 -37,031,000 -36,250,000 -56,200,000 -58,088,000 -46,104,000 -59,244,000 -48,767,000 -40,883,000 -43,609,000 -25,370,000 -37,449,000 -23,204,000 -19,591,000 -35,409,000 -18,121,000 -15,296,000 -32,661,000 -15,444,000 -15,860,000 -26,796,000 -12,866,000 -9,899,000 -25,008,000                      
          free cash flows
        -31,405,000 -43,023,000 -33,150,000 -100,238,000 -21,737,000 -31,572,000 -79,470,000 -70,937,000 -21,664,000 -92,307,000 -77,802,000 45,205,000 12,617,000 16,732,000 48,405,000 31,290,000 20,688,000 54,194,000 31,662,000 21,711,000 42,973,000 15,592,000 36,198,000 44,261,000             18,372,000 16,074,000 28,395,000 10,636,000 14,898,000 22,703,000 14,962,000 15,489,000 19,471,000 12,686,000 15,899,000 19,154,000 13,468,000 15,201,000 15,309,000 14,751,000 13,031,000 12,816,000 17,828,000 14,223,000 11,492,000 10,286,000 13,627,000    -1,591,000       
          cash flows from investing activities:
                                                                             
          cash receipts - ip transit services agreement – t-mobile
        25,000,000 25,000,000 25,000,000 25,000,000 25,000,000    87,500,000                                                             
          purchases of property and equipment
        -46,239,000 -37,031,000 -36,250,000 -56,200,000 -58,088,000 -46,104,000 -59,244,000 -48,767,000 -40,883,000 -43,609,000 -25,370,000 -37,449,000 -23,204,000 -19,591,000 -35,409,000 -18,121,000 -15,296,000 -32,661,000 -15,444,000 -15,860,000 -26,796,000 -12,866,000 -9,899,000 -25,008,000                                              
          net cash from investing activities
        -21,239,000 -12,031,000 -11,250,000 -31,200,000 -33,088,000 -21,104,000 -34,244,000 25,889,000 50,951,000 60,119,000 62,127,000 -22,316,000 -23,204,000 -19,591,000 -35,409,000 -18,121,000 -15,296,000 -32,661,000 -15,444,000 -15,860,000 -26,796,000 -12,866,000 -9,899,000 -25,008,000                                             806,000 
          cash flows from financing activities:
                                                                             
          dividends paid
        -1,299,000 -2,304,000 -49,066,000 -49,560,000 -49,133,000 -48,416,000 -47,210,000 -93,304,000 -478,000 -46,362,000 -45,136,000 -44,907,000 -45,311,000 -43,975,000 -83,153,000 -41,298,000 -39,552,000 -73,082,000 -36,081,000 -34,460,000 -62,295,000 -30,557,000 -29,776,000 -54,306,000                                              
          proceeds from exercises of stock options
          24,000 30,000 121,000  748,000 40,000 164,000  402,000 240,000 145,000  334,000 204,000  875,000 215,000  989,000 718,000  919,000 173,000 518,000 705,000 297,000 433,000 186,000 300,000 264,000 424,000 206,000 69,000 89,000 130,000 137,000 146,000 155,000 237,000 522,000 215,000 172,000 64,000 94,000 216,000 88,000 67,000 63,000 14,000 327,000 11,000 8,000 21,000 47,000 53,000 244,000 191,000           
          principal payments of finance lease obligations
        -13,356,000 -8,529,000 -8,791,000 -8,520,000 -8,003,000 -27,979,000 -4,522,000 -18,896,000 -23,235,000 -18,813,000 -41,302,000 -7,797,000 -9,450,000 -24,514,000 -11,099,000 -5,863,000 -6,228,000 -11,936,000 -5,744,000 -4,598,000 -9,883,000 -6,167,000 -2,062,000 -5,006,000                                              
          net cash from financing activities
        -14,655,000 -10,833,000 -63,002,000 193,754,000 -57,015,000 -75,143,000 -50,978,000 255,595,000 -23,549,000 -64,735,000 -86,036,000 -52,464,000 -54,616,000 -68,301,000 -24,052,000 -47,528,000 -46,271,000 -50,874,000 -163,667,000 -45,768,000 -25,257,000 -38,572,000 -34,124,000 88,961,000              -36,891,000         -8,735,000 -4,333,000 167,548,000                 28,488,000 13,211,000   
          effect of exchange rates changes on cash
        -4,787,000  -9,279,000 4,239,000 9,806,000  -4,701,000 3,653,000 2,872,000  -1,540,000 1,656,000 510,000  -3,130,000 -615,000  -658,000 -1,316,000  -112,000 -1,326,000  -36,000    532,000 1,415,000 1,774,000 383,000 21,000 -545,000 1,454,000            541,000                        
          net decrease in cash, cash equivalents and restricted cash
        -25,847,000            -41,489,000   -16,853,000                                                      
          cash, cash equivalents and restricted cash, beginning of period
        205,112,000  227,916,000  113,781,000  275,912,000  328,624,000 328,624,000                                                      
          cash, cash equivalents and restricted cash, end of period
        179,265,000  -80,431,000 122,755,000 183,970,000  -110,149,000 262,967,000 163,274,000  -77,881,000 9,530,000 234,423,000  349,847,000 311,771,000                                                      
          supplemental disclosure of non-cash financing activities:
                                                                             
          finance lease obligations incurred
        32,965,000 41,393,000 -10,372,000 79,076,000 38,961,000 69,555,000 75,032,000 42,183,000 54,423,000 14,686,000 175,143,000 16,768,000 25,871,000 33,242,000 23,685,000 6,982,000 12,420,000 16,218,000 6,336,000 10,118,000 42,359,000 3,164,000 2,965,000 8,562,000 3,630,000                                             
          net income
             -43,317,000 -63,112,000 -32,338,000 -65,307,000 200,153,000 -56,723,000 1,123,863,000 6,148,000 852,000 12,301,000 1,137,000 18,507,000 16,358,000 18,851,000 -6,620,000 17,791,000 9,227,000 7,466,000 16,353,000 9,217,000 8,231,000 6,552,000 6,784,000 3,650,000 4,317,000 4,136,000 3,459,000 4,224,000 3,354,000   -1,585,000 -184,000 1,208,000 125,000 2,122,000 1,607,000 361,000                         -20,224,000  
          adjustments to reconcile net income to net cash from operating activities:
                                                                             
          amortization of debt discounts and premium
                                                                             
          gain on bargain purchase – cogent fiber business
                                                                             
          loss on extinguishment & redemption of 2026 notes
                                                                             
          gains – lease terminations and other
                                                                            
          due to t-mobile – transition services agreement
         -356,000 347,000 -209,000 -307,000 -1,045,000 -716,000 -3,530,000 -61,092,000 -2,721,000 -49,148,000                                                           
          due from t-mobile – transition services agreement
         450,000 -450,000 -119,000 62,000 -62,000 16,185,000 -8,619,000 -3,052,000 12,317,000 -9,816,000                                                           
          acquisition of cogent fiber business, net of 47.1 million of cash acquired in 2023
                                                                             
          net proceeds from issuance of senior secured 2032 notes - net of debt costs of 2.2 million
                                                                           
          net proceeds from issuance of senior unsecured 2027 notes, net of debt costs of 1.6 million and a discount of 6.8 million
                                                                             
          net proceeds from issuance of secured ipv4 notes – net of debt costs of 4.0 million and 7.6 million, respectively
                                                                           
          redemption and extinguishment of secured 2026 notes
                                                                             
          purchases and retirement of common stock
                                                                             
          settlement of a finance lease – at a discount
                                                                             
          proceeds from exercises of common stock options
                                                                             
          effect of exchange rate changes on cash
                                                      -922,000 236,000 883,000   500,000    100,000 245,000 302,000 90,000  73,000         
          net increase in cash and cash equivalents & restricted cash
                                                                             
          cash and cash equivalents & restricted cash, beginning of year
                                                                             
          cash and cash equivalents & restricted cash, end of year
                                                                             
          supplemental disclosures of cash flow information:
                                                                             
          cash paid for interest
                                                                             
          cash paid for income taxes net of (refunds) for 2025 -see note 5
                                                                             
          non-cash investing and financing activities:
                                                                             
          fair value of equipment acquired in leases
                   171,000                                                     
          loss on debt extinguishment and redemption – 2026 notes
                                                                            
          gain on bargain purchase – sprint
                                                                             
          gains on finance lease terminations and other
                                                                             
          acquisition of sprint – severance reimbursement
                                                                             
          purchases of common stock
          -5,169,000                -4,225,000                                                  
          net proceeds from issuance of senior unsecured 2027 notes - net of discount of 6.8 million and debt costs of 1.4 million
                                                                            
          debt extinguishment and redemption – 2026 notes
                                                                            
          settlement of finance lease – at a discount
                                                                            
          net increase in cash, cash equivalents and restricted cash
          -80,431,000 122,755,000 -43,946,000  -110,149,000 262,967,000 49,493,000      21,223,000                                                       
          gain on finance lease termination
                                                                             
          reduction to gain on bargain purchase – sprint business
                5,470,000                                                             
          acquisition of sprint business – severance reimbursement
                4,334,000                                                             
          gain on bargain purchase – sprint business
               -254,049,000                                                            
          foreign currency exchange gain on 2024 notes
                                                                             
          loss on extinguishment & redemption of 2024 notes
                                                                             
          gain – lease termination
                                                                             
          gains—equipment transactions and other
                                                                             
          acquisition of sprint business, net of 47.1 million of cash acquired in 2023
                                                                           
          net proceeds from issuance of senior unsecured 2027 notes, net of debt costs of 1.6 million in 2024 and a discount of 6.8 million in 2024 and debt costs of 1.3 million in 2022
                                                                             
          net proceeds from issuance of secured ipv4 notes – net of debt costs of 7.6 million
             6,000                                                               
          redemption and extinguishment of unsecured 2024 notes
                                                                             
          principal payments of installment payment agreement
                                                                             
          cash paid for income taxes
                                                                             
          cash payments - ip transit services agreement – t-mobile
              25,000,000                                                               
          unfavorable lease liabilities
               -1,392,000 -2,451,000 -10,337,000 -9,705,000                                                           
          amortization of debt discounts
                342,000                                                             
          gains – lease transactions
                    -615,000   -373,000                                                      
          change in valuation – interest rate swap agreement
                6,152,000 -17,722,000 4,825,000 1,305,000 -1,847,000 -2,590,000                                                        
          loss on extinguishment & redemption of 2022 notes
                                                                             
          acquisition of sprint business, net of 47.1 million of cash acquired
                 16,228,000                                                            
          net proceeds from issuance of 2027 notes, net of debt costs of 1,290
                                                                             
          net proceeds from issuance of 2026 notes, net of debt costs of 1,317
                                                                             
          redemption and extinguishment of 2024 notes
                                                                             
          redemption and extinguishment of 2022 notes
                         -459,317,000                                                    
          net decrease in cash and cash equivalents & restricted cash
                                                                             
          amortization of debt discount and premium
                  334,000 328,000 324,000   417,000   441,000   477,000   414,000 375,000 381,000 370,000 332,000 287,000 280,000 183,000 480,000 216,000    -286,000 1,140,000 1,415,000                              
          gains - equipment transactions and other
                  331,000    1,308,000 525,000  242,000 371,000  -902,000 -454,000  -484,000                                              
          loss on debt extinguishment and redemption – 2024 euro notes
                      11,885,000                                                       
          foreign currency exchange gain on 2024 euro notes
                                                                             
          cash receipts - ip transit agreement – t-mobile
                                                                             
          redemption and extinguishment – 2024 euro notes
                      -375,354,000                                                       
          net proceeds from issuance of senior unsecured 2027 notes - net of debt costs of 1,290
                      446,010,000                                                       
          principal payments on installment payment agreement
                      -790,000 -571,000  -4,347,000 -2,378,000  -5,128,000 -2,566,000  -4,774,000                                              
          gain on bargain purchase – sprint wireline business
                                                                             
          unrealized foreign currency exchange gain on 2024 euro notes
                       -8,014,000   -18,870,000   -2,904,000 4,032,000                                               
          cash payments - ip transit agreement – t-mobile
                                                                             
          acquisition of sprint wireline business, net of 47.1 million of cash acquired
                                                                             
          foreign currency exchange loss on 2024 notes
                                                                             
          realized foreign currency exchange gain on 2024 notes
                                                                             
          loss on extinguishment & redemption of 2021 notes
                                                                             
          net proceeds from issuance of 2024 notes, net of debt costs of 2,137
                                                                             
          redemption and extinguishment of 2021 notes
                           -189,225,000                                                 
          pp&e obtained for installment payment agreement
                           5,472,000 2,343,000 2,310,000 5,483,000 3,434,000 2,666,000 3,377,000 2,566,000 1,703,000 1,567,000 3,307,000                                       
          non-cash component of network equipment obtained in exchange transactions
                           10,000 241,000 36,000 207,000 684,000 536,000 416,000 343,000 117,000 389,000 996,000 2,124,000 686,000 4,439,000 1,946,000 1,123,000 638,000 3,956,000 3,114,000 2,665,000 2,235,000                              
          amortization of debt costs, discounts and premiums
                      829,000   894,000   930,000                                                 
          loss on debt extinguishment and redemption – 2022 notes
                         14,698,000                                                    
          gains on foreign exchange – 2024 euro notes
                      -31,561,000                                                       
          redemption and extinguishment – 2022 notes
                                                                             
          net proceeds from issuance of senior secured 2026 notes - net of debt costs of 1,317
                         496,933,000                                                    
          supplemental disclosure of non-cash investing and financing activities:
                                                                             
          fair value of equipment acquired in lease
                      1,088,000                                                       
          loss on debt extinguishment and repurchase of 2022 notes
                                                                             
          repurchase and extinguishment of 2022 notes
                          -119,679,000                                                   
          unrealized foreign currency exchange loss on 2024 euro notes
                                                                             
          realized foreign currency exchange gain on 2024 euro notes
                                                                             
          net proceeds from issuance of 2024 euro notes, net of debt costs of 2,137 and 1,556, respectively
                                                                             
          amortization of debt costs, discounts and premium
                                                                             
          loss on debt extinguishment and redemption – 2021 notes
                            638,000                                                 
          unrealized loss on foreign exchange – 2024 notes
                                                                             
          realized foreign exchange gain on issuance of 2024 notes
                            -2,547,000                                                 
          extinguishment and redemption of 2021 notes
                                                                             
          extinguishment and redemption of 2022 notes
                                                                             
          net proceeds from issuance of senior unsecured 2024 euro notes - net of debt costs of 2,137
                                                                             
          cash and cash equivalents & restricted cash, beginning of period
                                                                             
          cash and cash equivalents & restricted cash, end of period
                                                                             
          unrealized losses on foreign exchange – 2024 notes
                         -13,590,000                                                    
          net increase in cash and cash equivalents
                         2,662,000  -21,992,000 17,604,000  3,151,000 133,186,000              -38,056,000         -3,195,000 1,904,000 169,059,000         133,481,000 5,631,000 -6,372,000 -5,168,000   -5,672,000 -3,037,000 21,280,000 3,468,000 5,048,000  
          cash and cash equivalents, beginning of period
                         371,301,000 371,301,000  399,422,000 399,422,000  276,093,000 276,093,000 247,011,000 274,319,000 203,591,000 287,790,000 304,866,000 247,285,000 238,207,000 56,283,000 55,929,000 71,291,000 177,021,000 42,642,000  29,883,000  13,844,000  
          cash and cash equivalents, end of period
                         373,963,000 237,980,000  417,026,000 375,116,000  409,279,000 259,138,000 60,276,000 -11,744,000 236,026,000 -5,727,000 -6,704,000 263,196,000 -6,816,000 -41,083,000 196,050,000 -17,204,000 -35,556,000 260,050,000 -38,056,000 86,088,000 263,747,000 67,440,000 2,375,000 234,960,000 -5,163,000 4,933,000 232,294,000 -3,195,000 1,904,000 225,342,000 -2,573,000 55,008,000 -8,958,000 -7,105,000 67,177,000 -19,958,000 -25,597,000 154,605,000 133,481,000 48,273,000  -5,168,000 33,571,000 20,611,000  -3,037,000 21,280,000 17,312,000  -4,204,000 
          loss on extinguishment of 2022 notes
                          3,868,000                                                   
          net decrease in cash and cash equivalents
                          -133,321,000   -24,306,000                                                
          loss on extinguishment of 2021 notes
                                                                             
          net proceeds from issuance of senior 2024 euro notes, net of debt costs of 2,137 and 1,556, respectively
                                                                             
          net proceeds from issuance of 2022 notes, net of debt costs of 1,364
                                                                             
          cash and cash equivalents, beginning of year
                                                                             
          cash and cash equivalents, end of year
                                                                             
          unrealized losses on foreign exchange
                            479,000                                                 
          net proceeds from issuance of senior unsecured 2024 euro notes - net of debt costs of 2,137 and 1,556, respectively
                            240,285,000                                                 
          ​
                                                                             
          net proceeds from issuance of senior unsecured 2024 euro notes — net of debt costs of 1,556
                                                                             
          net proceeds from issuance of 2022 secured notes-net of debt costs of 1,364
                                                                             
          amortization of debt costs and premium
                               842,000                                              
          net proceeds from issuance of 2022 secured notes – net of debt costs of 1,363
                                                                             
          net proceeds from issuance of senior unsecured 2024 euro notes - net of debt costs of 1,556
                               152,128,000                                              
          gains — equipment transactions and other
                                                                             
          net cash provided by operating activities
                                28,637,000 31,745,000 31,271,000 30,179,000 28,783,000 28,045,000 23,514,000 22,833,000 23,698,000 27,557,000 23,403,000                                   
          net proceeds from issuance of 2022 secured notes — net of debt costs of 1,363
                                                                             
          principal payments of capital lease obligations
                                                                             
          capital lease obligations incurred
                                 4,339,000 7,119,000 3,616,000 6,525,000 5,623,000 5,957,000 6,237,000 3,602,000 3,281,000 10,137,000 3,466,000 4,217,000 11,436,000 3,447,000 4,224,000 6,425,000 2,382,000 18,842,000 4,218,000 3,423,000 2,312,000 7,535,000 11,722,000 16,845,000                     
          losses on debt purchases and installment loan repayment
                                                                             
          purchases of senior secured 2021 notes
                                                                             
          losses on debt extinguishment and redemption
                                                                             
          gain on capital lease termination
                                                                             
          loss on debt purchases and installment loan repayment
                                                                            
          proceeds from disposition of assets
                                                                             
          purchases of senior unsecured 2021 notes
                                                                             
          net proceeds from issuance of senior secured 2022 notes
                                                                             
          redemption of senior secured 2018 notes
                                                                             
          supplemental disclosure of non-cash financing and investing activities:
                                                                             
          loss on debt extinguishment and redemption
                                          10,144,000                                 
          gains on capital lease terminations
                                                                             
          losses — equipment transactions and other
                                                                             
          proceeds from dispositions of assets
                                          29,000   -1,000 65,000 27,000 40,000 2,000 -1,000 10,000 111,000 2,000 4,000 230,000 2,000   40,000 44,000 22,000 14,000  93,000  40,000 5,082,000   
          repayment of convertible senior notes
                                                                             
          net proceeds from issuance of 2021 notes
                                                                             
          net proceeds from issuance of 2022 notes
                                                                             
          redemption of 2018 notes
                                                                             
          net cash (used in) provided by financing activities
                                                                             
          pp&e obtained for note payable
                                          10,005,000 3,893,000 1,704,000                                 
          net (loss) income
                                                                             
          net proceeds from issuance of senior unsecured notes
                                                                            
          net proceeds from issuance of senior secured notes
                                           -60,000 248,659,000                                 
          redemption of senior secured notes
                                                                             
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                             
          losses - dispositions of assets and other
                                                                             
          gains—dispositions of assets and other
                                                  135,000                           
          gains - dispositions of assets and other
                                                                             
          changes in assets and liabilities:
                                                                             
          amortization of debt discount—convertible notes
                                                 1,613,000 1,580,000                     438,000 410,000 362,000 338,000 300,000 280,000 
          proceeds from issuance of senior secured notes
                                                      -1,000 170,513,000                     
          repayments of capital lease obligations
                                                                             
          supplemental disclosure of cash flow information:
                                                                             
          maturities of short term investments
                                                            62,000     80,000    653,000    154,000   
          purchase of other assets
                                                                             
          maturities of short term investments - restricted
                                                                             
          purchase of convertible notes
                                                                             
          (purchases) maturities of short term investments
                                                                  550,000         
          proceeds from issuance of senior convertible notes
                                                                             
          senior convertible notes issuance costs
                                                                             
          repayment and purchase of convertible notes, respectively
                                                                             
          repayment of convertible notes
                                                                             
          maturities (purchases) of short term investments
                                                                             
          proceeds from issuance of common stock
                                                                    -53,000         
          purchase of common stock
                                                                             
          adjustments to reconcile net loss to net cash (used in) provided by operating activities:
                                                                             
          gains—cisco credit facility—related party
                                                                             
          gains—capital lease obligation restructurings and dispositions of assets
                                                                             
          other assets
                                                                           825,000 551,000 
          accounts payable and accrued liabilities
                                                                             
          net cash (used in) provided by operating activities
                                                                   460,000 1,498,000         
          purchases of intangible assets
                                                                             
          cash acquired—acquisitions
                                                                             
          purchase of fiber optic network in germany
                                                                             
          proceeds from asset sales
                                                                             
          repayment of capital lease obligations
                                                                             
          repayment of advance from lng holdings—related party
                                                                             
          cash acquired—mergers
                                                                             
          proceeds from sales of common stock
                                                                             
          proceeds from issuance of subordinated note—related party
                                                                             
          repayment of subordinated note—related party
                                                                             
          repayment of cisco note
                                                                             
          borrowings under credit facility
                                                                       10,000,000   
          repayments under credit facility
                                                                             
          non-cash financing activities—
                                                                             
          purchase of german network assets
                                                                             
          restricted cash-collateral under credit facility
                                                                             
          proceeds from exercise of stock options
                                                                    62,000         
          proceeds from issuance of subordinated note — related party
                                                                             
          repayment of subordinated note — related party
                                                                             
          repayment of cisco note — related party
                                                                             
          net cash provided by financing activities
                                                                    -1,151,000   -840,000      
          adjustments to reconcile net income to net cash from operating activities
                                                                             
          depreciation and amortization, including amortization of debt issuance costs
                                                                             
          amortization of deferred compensation
                                                                       3,770,000 3,165,000 3,175,000 3,195,000 3,225,000 2,960,000 
          gain—allied riser note exchange
                                                                             
          gains—capital lease obligation restructurings and sales of assets
                                                                             
          borrowings under cisco credit facility—related party
                                                                             
          exchange agreement payment—allied riser notes
                                                                             
          exchange agreement payment—cisco debt restructuring—related party
                                                                             
          proceeds from sales of stock
                                                                             
          repayment of cisco note—related party
                                                                             
          gains— dispositions of assets and debt
                                                                             
          changes in assets and liabilities, net of acquisitions:
                                                                             
          accounts payable, accrued and other liabilities
                                                                             
          net cash used in operating activities
                                                                             
          cash acquired – acquisitions
                                                                             
          proceeds from other acquired assets
                                                                             
          proceeds from sale of common stock
                                                                            
          cash acquired - mergers
                                                                             
          proceeds from issuance of subordinated note – related party
                                                                        10,000,000   
          repayment of subordinated note – related party
                                                                             
          repayment of cisco note – related party
                                                                             
          repayment of advances from lng holdings—related party
                                                                             
          gains—dispositions of assets and debt
                                                                             
          cash acquired – cogent europe
                                                                             
          gains—dispositions of assets
                                                                             
          non-cash financing activities—capital lease obligations incurred
                                                                          384,000  346,000 
          extraordinary gain—allied riser merger
                                                                             
          gain—cisco credit facility troubled debt restructuring
                                                                             
          gain on settlement of vendor litigation
                                                                             
          gain—sale of warrant
                                                                             
          gains—lease obligation restructurings
                                                                             
          gains and losses—other
                                                                             
          cash acquired in allied riser merger
                                                                             
          purchase of minority interests in cogent canada
                                                                             
          (purchases) sales of short term investments
                                                                             
          proceeds from sale of equipment
                                                                           3,000 
          proceeds from sale of warrant
                                                                           47,000 -4,000 
          proceeds from other assets—cogent europe acquisition
                                                                             
          borrowings under cisco credit facility
                                                                             
          exchange agreement payment—cisco credit facility debt restructuring
                                                                             
          proceeds from option exercises
                                                                             
          issuances of preferred stock, net of issuance costs
                                                                             
          amortization of debt costs
                                                                             
          loss on equipment sale
                                                                            
          accounts receivable—related party
                                                                             
          accounts payable—related party
                                                                            58,000 
          proceeds from other assets acquired – firstmark acquisition
                                                                            6,000 
          cash acquired—global access acquisition
                                                                             
          cash acquired—ufo acquisition
                                                                             
          cash acquired—firstmark acquisition
                                                                            
          cash acquired—gamma acquisition
                                                                            
          cash acquired—omega acquisition
                                                                            
          exchange agreement payment—cisco credit facility restructuring
                                                                             
          proceeds from issuance of series g preferred stock
                                                                             
          borrowing under credit facility for payment of loan costs and interest
                                                                             
          issuance of series i preferred stock for gamma common stock
                                                                            
          issuance of series j preferred stock for omega common stock
                                                                            
          issuance of series k preferred stock for ufo group common stock
                                                                             
          issuance of series l preferred stock for global access assets
                                                                             
          exchange agreement with cisco capital
                                                                             
          global access acquisition
                                                                             
          fair value of assets acquired
                                                                            -153,537,000 
          less: valuation of series l preferred stock issued
                                                                             
          fair value of liabilities assumed
                                                                            -74,657,000 
          ufo group inc. merger—ufo acquisition
                                                                             
          less: valuation of series k preferred stock issued
                                                                             
          symposium gamma merger—firstmark acquisition
                                                                             
          negative goodwill
                                                                             
          less: valuation of series i preferred stock issued
                                                                             
          sales of short term investments
                                                                             
          net (decrease) increase in cash and cash equivalents