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v3.20.4

SEGMENT INFORMATION - Segment Results (Details) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Apr. 26, 2020 employee | Apr. 15, 2020 employee | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Reportable segment results |  |  |  |  |
Revenues |  |  | $ 1,328,129 | $ 1,961,720 | $ 2,002,857
Segment Adjusted EBITDA Expense |  |  | 861,249 | 1,204,896 | 1,211,800
Segment Adjusted EBITDA |  |  | 446,489 | 672,001 | 715,691
Total assets |  |  | 2,166,016 | 2,586,694 | 2,394,748
Capital expenditures |  |  | 121,101 | 305,858 | 233,480
Gibson County mining complex |  |  |  |  |
Segment Information |  |  |  |  |
Number of employees terminated | employee |  | 116 |  |  |
Hamilton mining complex |  |  |  |  |
Segment Information |  |  |  |  |
Number of employees terminated | employee | 78 |  |  |  |
Illinois Basin |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  | 770,051 | 1,236,308 | 1,321,089
Segment Adjusted EBITDA Expense |  |  | 520,324 | 756,423 | 796,370
Segment Adjusted EBITDA |  |  | 236,911 | 385,200 | 417,773
Total assets |  |  | 1,018,916 | 1,373,516 | 1,380,912
Capital expenditures |  |  | 48,648 | 189,270 | 166,468
Appalachia |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  | 500,330 | 644,389 | 643,965
Segment Adjusted EBITDA Expense |  |  | 319,730 | 423,623 | 398,243
Segment Adjusted EBITDA |  |  | 172,288 | 215,950 | 240,286
Total assets |  |  | 448,567 | 500,027 | 440,518
Capital expenditures |  |  | 70,960 | 111,739 | 64,037
Minerals |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  | 43,141 | 53,036 |
Segment Adjusted EBITDA Expense |  |  | 4,106 | 7,811 |
Segment Adjusted EBITDA |  |  | 39,773 | 46,997 | 21,323
Total assets |  |  | 613,916 | 643,213 | 161,312
Other and Corporate |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  | 25,124 | 56,850 | 81,492
Segment Adjusted EBITDA Expense |  |  | 18,543 | 36,845 | 52,321
Segment Adjusted EBITDA |  |  | 6,580 | 32,911 | 44,864
Total assets |  |  | 477,469 | 541,261 | 589,010
Capital expenditures |  |  | 1,493 | 4,849 | 2,975
Operating segments |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  | 1,328,129 | 1,961,720 | 2,002,857
Operating segments | Illinois Basin |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  | 770,051 | 1,219,618 | 1,289,898
Operating segments | Appalachia |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  | 500,330 | 644,389 | 643,898
Operating segments | Minerals |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  | 43,141 | 53,036 |
Operating segments | Other and Corporate |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  | 14,607 | 44,677 | 69,061
Elimination |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  | (10,517) | (28,863) | (43,689)
Segment Adjusted EBITDA Expense |  |  | (1,454) | (19,806) | (35,134)
Segment Adjusted EBITDA |  |  | (9,063) | (9,057) | (8,555)
Total assets |  |  | (392,852) | (471,323) | (177,004)
Elimination | Illinois Basin |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  |  | 16,690 | 31,191
Elimination | Appalachia |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  |  |  | 67
Elimination | Other and Corporate |  |  |  |  |
Reportable segment results |  |  |  |  |
Revenues |  |  | $ 10,517 | $ 12,173 | $ 12,431

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