CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Statements of Operations) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2020 |
Mar. 31, 2020 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| REVENUES: | ||||||
| Total revenues | $ 132,410,000 | $ 458,994,000 | $ 379,287,000 | $ 779,572,000 | ||
| OPERATING EXPENSES: | ||||||
| Lease operating expenses | 15,686,000 | 22,388,000 | 31,672,000 | 42,195,000 | ||
| Production taxes | 3,605,000 | 8,098,000 | 8,404,000 | 16,019,000 | ||
| Midstream gathering and processing expenses | 59,974,000 | 72,015,000 | 117,870,000 | 142,297,000 | ||
| Depreciation, depletion and amortization | 64,790,000 | 124,951,000 | 142,818,000 | 243,384,000 | ||
| Impairment of oil and natural gas properties | 532,880,000 | 0 | 1,086,225,000 | 0 | ||
| General and administrative expenses | 10,470,000 | 11,727,000 | 26,639,000 | 21,784,000 | ||
| Accretion expense | 755,000 | 1,359,000 | 1,496,000 | 2,426,000 | ||
| Total Operating Expenses | 688,160,000 | 240,538,000 | 1,415,124,000 | 468,105,000 | ||
| (LOSS) INCOME FROM OPERATIONS | (555,750,000) | 218,456,000 | (1,035,837,000) | 311,467,000 | ||
| OTHER EXPENSE (INCOME): | ||||||
| Interest expense | 32,366,000 | 36,418,000 | 65,356,000 | 72,039,000 | ||
| Interest income | (78,000) | (159,000) | (230,000) | (311,000) | ||
| Gain on debt extinguishment | (34,257,000) | 0 | (49,579,000) | 0 | ||
| Loss (income) from equity method investments and investments in subsidiaries | 45,000 | 125,582,000 | 10,834,000 | 121,309,000 | ||
| Other expense | 7,242,000 | 990,000 | 9,098,000 | 563,000 | ||
| Total Other Expense | 5,318,000 | 162,831,000 | 35,479,000 | 193,600,000 | ||
| (LOSS) INCOME BEFORE INCOME TAXES | (561,068,000) | 55,625,000 | (1,071,316,000) | 117,867,000 | ||
| INCOME TAX EXPENSE | 0 | (179,331,000) | 7,290,000 | (179,331,000) | ||
| Net (loss) income | (561,068,000) | $ (517,538,000) | 234,956,000 | $ 62,242,000 | (1,078,606,000) | 297,198,000 |
| Reportable legal entities | Parent | ||||||
| REVENUES: | ||||||
| Total revenues | 26,970,000 | 280,291,000 | 125,238,000 | 466,537,000 | ||
| OPERATING EXPENSES: | ||||||
| Lease operating expenses | 0 | 12,256,000 | 0 | 27,149,000 | ||
| Production taxes | 0 | 2,820,000 | 0 | 6,081,000 | ||
| Midstream gathering and processing expenses | 0 | 28,121,000 | 0 | 71,420,000 | ||
| Depreciation, depletion and amortization | 2,388,000 | 80,132,000 | 4,890,000 | 198,564,000 | ||
| Impairment of oil and natural gas properties | 0 | 0 | ||||
| General and administrative expenses | 21,731,000 | 15,207,000 | 46,377,000 | 25,938,000 | ||
| Accretion expense | 0 | 438,000 | 0 | 1,389,000 | ||
| Total Operating Expenses | 24,119,000 | 138,974,000 | 51,267,000 | 330,541,000 | ||
| (LOSS) INCOME FROM OPERATIONS | 2,851,000 | 141,317,000 | 73,971,000 | 135,996,000 | ||
| OTHER EXPENSE (INCOME): | ||||||
| Interest expense | 32,825,000 | 37,373,000 | 66,002,000 | 73,298,000 | ||
| Interest income | (28,000) | (120,000) | (87,000) | (267,000) | ||
| Gain on debt extinguishment | (34,257,000) | (49,579,000) | ||||
| Loss (income) from equity method investments and investments in subsidiaries | 562,502,000 | 47,449,000 | 1,125,868,000 | (55,465,000) | ||
| Other expense | 2,877,000 | 990,000 | 3,083,000 | 563,000 | ||
| Total Other Expense | 563,919,000 | 85,692,000 | 1,145,287,000 | 18,129,000 | ||
| (LOSS) INCOME BEFORE INCOME TAXES | (561,068,000) | 55,625,000 | (1,071,316,000) | 117,867,000 | ||
| INCOME TAX EXPENSE | 0 | (179,331,000) | 7,290,000 | (179,331,000) | ||
| Net (loss) income | (561,068,000) | 234,956,000 | (1,078,606,000) | 297,198,000 | ||
| Reportable legal entities | Guarantors | ||||||
| REVENUES: | ||||||
| Total revenues | 105,440,000 | 178,703,000 | 254,049,000 | 313,035,000 | ||
| OPERATING EXPENSES: | ||||||
| Lease operating expenses | 15,686,000 | 10,132,000 | 31,672,000 | 15,046,000 | ||
| Production taxes | 3,605,000 | 5,278,000 | 8,404,000 | 9,938,000 | ||
| Midstream gathering and processing expenses | 59,974,000 | 43,894,000 | 117,870,000 | 70,877,000 | ||
| Depreciation, depletion and amortization | 62,236,000 | 44,764,000 | 137,596,000 | 44,765,000 | ||
| Impairment of oil and natural gas properties | 532,880,000 | 1,086,225,000 | ||||
| General and administrative expenses | (11,374,000) | (3,583,000) | (20,024,000) | (4,258,000) | ||
| Accretion expense | 755,000 | 921,000 | 1,496,000 | 1,037,000 | ||
| Total Operating Expenses | 663,762,000 | 101,406,000 | 1,363,239,000 | 137,405,000 | ||
| (LOSS) INCOME FROM OPERATIONS | (558,322,000) | 77,297,000 | (1,109,190,000) | 175,630,000 | ||
| OTHER EXPENSE (INCOME): | ||||||
| Interest expense | (459,000) | (955,000) | (646,000) | (1,259,000) | ||
| Interest income | (50,000) | (39,000) | (143,000) | (44,000) | ||
| Gain on debt extinguishment | 0 | 0 | ||||
| Loss (income) from equity method investments and investments in subsidiaries | 0 | 0 | 0 | 0 | ||
| Other expense | 4,365,000 | 0 | 6,015,000 | 0 | ||
| Total Other Expense | 3,856,000 | (994,000) | 5,226,000 | (1,303,000) | ||
| (LOSS) INCOME BEFORE INCOME TAXES | (562,178,000) | 78,291,000 | (1,114,416,000) | 176,933,000 | ||
| INCOME TAX EXPENSE | 0 | 0 | 0 | 0 | ||
| Net (loss) income | (562,178,000) | 78,291,000 | (1,114,416,000) | 176,933,000 | ||
| Reportable legal entities | Non-Guarantors | ||||||
| REVENUES: | ||||||
| Total revenues | 0 | 0 | 0 | 0 | ||
| OPERATING EXPENSES: | ||||||
| Lease operating expenses | 0 | 0 | 0 | 0 | ||
| Production taxes | 0 | 0 | 0 | 0 | ||
| Midstream gathering and processing expenses | 0 | 0 | 0 | 0 | ||
| Depreciation, depletion and amortization | 166,000 | 55,000 | 332,000 | 55,000 | ||
| Impairment of oil and natural gas properties | 0 | 0 | ||||
| General and administrative expenses | 113,000 | 103,000 | 286,000 | 104,000 | ||
| Accretion expense | 0 | 0 | 0 | 0 | ||
| Total Operating Expenses | 279,000 | 158,000 | 618,000 | 159,000 | ||
| (LOSS) INCOME FROM OPERATIONS | (279,000) | (158,000) | (618,000) | (159,000) | ||
| OTHER EXPENSE (INCOME): | ||||||
| Interest expense | 0 | 0 | 0 | 0 | ||
| Interest income | 0 | 0 | 0 | 0 | ||
| Gain on debt extinguishment | 0 | 0 | ||||
| Loss (income) from equity method investments and investments in subsidiaries | 45,000 | (54,000) | 188,000 | 339,000 | ||
| Other expense | 0 | 0 | 0 | 0 | ||
| Total Other Expense | 45,000 | (54,000) | 188,000 | 339,000 | ||
| (LOSS) INCOME BEFORE INCOME TAXES | (324,000) | (104,000) | (806,000) | (498,000) | ||
| INCOME TAX EXPENSE | 0 | 0 | 0 | 0 | ||
| Net (loss) income | (324,000) | (104,000) | (806,000) | (498,000) | ||
| Eliminations | ||||||
| REVENUES: | ||||||
| Total revenues | 0 | 0 | 0 | 0 | ||
| OPERATING EXPENSES: | ||||||
| Lease operating expenses | 0 | 0 | 0 | 0 | ||
| Production taxes | 0 | 0 | 0 | 0 | ||
| Midstream gathering and processing expenses | 0 | 0 | 0 | 0 | ||
| Depreciation, depletion and amortization | 0 | 0 | 0 | 0 | ||
| Impairment of oil and natural gas properties | 0 | 0 | ||||
| General and administrative expenses | 0 | 0 | 0 | 0 | ||
| Accretion expense | 0 | 0 | 0 | 0 | ||
| Total Operating Expenses | 0 | 0 | 0 | 0 | ||
| (LOSS) INCOME FROM OPERATIONS | 0 | 0 | 0 | 0 | ||
| OTHER EXPENSE (INCOME): | ||||||
| Interest expense | 0 | 0 | 0 | 0 | ||
| Interest income | 0 | 0 | 0 | 0 | ||
| Gain on debt extinguishment | 0 | 0 | ||||
| Loss (income) from equity method investments and investments in subsidiaries | (562,502,000) | 78,187,000 | (1,115,222,000) | 176,435,000 | ||
| Other expense | 0 | 0 | 0 | 0 | ||
| Total Other Expense | (562,502,000) | 78,187,000 | (1,115,222,000) | 176,435,000 | ||
| (LOSS) INCOME BEFORE INCOME TAXES | 562,502,000 | (78,187,000) | 1,115,222,000 | (176,435,000) | ||
| INCOME TAX EXPENSE | 0 | 0 | 0 | 0 | ||
| Net (loss) income | $ 562,502,000 | $ (78,187,000) | $ 1,115,222,000 | $ (176,435,000) | ||