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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Accounting Policies [Abstract] |
Schedule of cumulative translation adjustments | The following table presents the balances of the Company’s cumulative translation adjustments included in accumulated other comprehensive loss, exclusive of taxes.
| (In thousands)
December 31, 2017 | (39,190) |
December 31, 2018 | (54,677) |
December 31, 2019 | (45,484) |
December 31, 2020 | (41,651) |
Schedule of Cash Flow, Supplemental Disclosures | Supplemental cash flow and non-cash information
| Year Ended December 31,
| 2020 |  | 2019 |  | 2018
Supplemental disclosure of cash flow information: | (In thousands)
Cash paid for reorganization items, net | $ | 24,553 |  |  | $ | — |  |  | $ | — |
Interest payments | $ | 84,823 |  |  | $ | 142,664 |  |  | $ | 132,995 |
Income tax receipts | $ | — |  |  | $ | (1,794) |  |  | $ | — |
Supplemental disclosure of non-cash transactions: |  |  |  |  |
Capitalized stock-based compensation | $ | 2,860 |  |  | $ | 5,766 |  |  | $ | 4,533 |
Asset retirement obligation capitalized | $ | 2,358 |  |  | $ | 6,883 |  |  | $ | 1,452 |
Asset retirement obligation removed due to divestiture | $ | (2,213) |  |  | $ | (30,146) |  |  | $ | — |
Interest capitalized | $ | 907 |  |  | $ | 3,372 |  |  | $ | 4,470 |
Pre-petition revolver principal transfer to DIP credit facility | $ | 157,500 |  |  | $ | — |  |  | $ | — |
Fair value of contingent consideration asset on date of divestiture | $ | 23,090 |  |  | $ | (1,137) |  |  | $ | — |
Foreign currency translation gain (loss) on equity method investments | $ | 3,833 |  |  | $ | 9,193 |  |  | $ | (15,487) |
Schedule of error corrections and prior period adjustments | The following tables present the effect of the correction on all affected line items of our previously issued consolidated financial statements of operations for the years ended December 31, 2019 and 2018.
| Year Ended December 31, 2019
| As Reported |  | Adjustments |  | As Revised
| (In thousands)
Natural gas sales | $ | 918,263 |  |  | $ | 217,118 |  |  | $ | 1,135,381 |
Total Revenues | $ | 1,346,008 |  |  | $ | 217,118 |  |  | $ | 1,563,126 |
Midstream gathering and processing expenses | $ | 291,725 |  |  | $ | 217,118 |  |  | $ | 508,843 |
Total Operating Expenses | $ | 3,049,701 |  |  | $ | 217,118 |  |  | $ | 3,266,819 |
| Year Ended December 31, 2018
| As Reported |  | Adjustments |  | As Revised
| (In thousands)
Natural gas sales | $ | 1,121,815 |  |  | $ | 196,657 |  |  | $ | 1,318,472 |
Total Revenues | $ | 1,355,044 |  |  | $ | 196,657 |  |  | $ | 1,551,701 |
Midstream gathering and processing expenses | $ | 290,188 |  |  | $ | 196,657 |  |  | $ | 486,845 |
Total Operating Expenses | $ | 956,085 |  |  | $ | 196,657 |  |  | $ | 1,152,742 |

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