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Condensed Consolidating Financial Information - Condensed Consolidating Statement of Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Revenues: |  |  |  |  |  |  |  |  |  |  |
Total revenues | $ 63,416 | $ 193,691 | $ (28,158) | $ 156,961 | $ 190,226 | $ 230,393 | $ 112,294 | $ 176,077 | $ 385,910 | $ 708,990 | $ 670,762
Costs and expenses: |  |  |  |  |  |  |  |  |  |  |
Lease operating expenses |  |  |  |  |  |  |  |  | 68,877 | 69,475 | 52,191
Production taxes |  |  |  |  |  |  |  |  | 13,276 | 14,740 | 24,006
Midstream gathering and processing |  |  |  |  |  |  |  |  | 165,972 | 138,590 | 64,467
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 245,974 | 337,694 | 265,431
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 715,495 | 1,440,418 | 0
General and administrative |  |  |  |  |  |  |  |  | 43,409 | 41,967 | 38,290
Gain on sale of assets |  |  |  |  |  |  |  |  | 0 | 0 | (11)
Accretion expense |  |  |  |  |  |  |  |  | 1,057 | 820 | 761
Total costs and expenses |  |  |  |  |  |  |  |  | 1,254,060 | 2,043,704 | 445,135
(LOSS) INCOME FROM OPERATIONS | (190,949) | (157,995) | (323,412) | (195,794) | (812,375) | (529,252) | (21,620) | 28,533 | (868,150) | (1,334,714) | 225,627
OTHER (INCOME) EXPENSE: |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  | 63,530 | 51,221 | 23,986
Interest income |  |  |  |  |  |  |  |  | (1,230) | (643) | (195)
Insurance proceeds |  |  |  |  |  |  |  |  | (5,718) | (10,015) | 0
Loss on debt extinguishment |  |  |  |  |  |  |  |  | 23,776 | 0 | 0
Litigation settlement |  |  |  |  |  |  |  |  | 0 | 0 | 25,500
Gain on contribution of investments |  |  |  |  |  |  |  |  | 0 | 0 | (84,470)
Loss (income) from equity method investments |  |  |  |  |  |  |  |  | 33,985 | 106,093 | (139,434)
Other expense (income) |  |  |  |  |  |  |  |  | 129 | (485) | (504)
Total Other (Income) Expense |  |  |  |  |  |  |  |  | 114,472 | 146,171 | (175,117)
(LOSS) INCOME BEFORE INCOME TAXES |  |  |  |  |  |  |  |  | (982,622) | (1,480,885) | 400,744
INCOME TAX (BENEFIT) EXPENSE | 842 | (3,407) | (157) | (191) | (36,663) | (216,603) | (17,214) | 14,479 | (2,913) | (256,001) | 153,341
NET (LOSS) INCOME | $ (240,370) | $ (157,296) | $ (339,776) | $ (242,267) | $ (830,869) | $ (388,209) | $ (31,325) | $ 25,519 | (979,709) | (1,224,884) | 247,403
Parent |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 381,931 | 707,868 | 668,961
Costs and expenses: |  |  |  |  |  |  |  |  |  |  |
Lease operating expenses |  |  |  |  |  |  |  |  | 68,034 | 68,632 | 51,238
Production taxes |  |  |  |  |  |  |  |  | 13,121 | 14,618 | 23,803
Midstream gathering and processing |  |  |  |  |  |  |  |  | 165,400 | 138,526 | 64,402
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 245,970 | 337,689 | 265,428
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 715,495 | 1,440,418 |
General and administrative |  |  |  |  |  |  |  |  | 43,896 | 41,892 | 37,846
Gain on sale of assets |  |  |  |  |  |  |  |  |  |  | (11)
Accretion expense |  |  |  |  |  |  |  |  | 1,057 | 820 | 761
Total costs and expenses |  |  |  |  |  |  |  |  | 1,252,973 | 2,042,595 | 443,467
(LOSS) INCOME FROM OPERATIONS |  |  |  |  |  |  |  |  | (871,042) | (1,334,727) | 225,494
OTHER (INCOME) EXPENSE: |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  | 63,529 | 51,221 | 23,986
Interest income |  |  |  |  |  |  |  |  | (1,230) | (643) | (195)
Insurance proceeds |  |  |  |  |  |  |  |  | (5,718) | (10,015) |
Loss on debt extinguishment |  |  |  |  |  |  |  |  | 23,776 |  |
Litigation settlement |  |  |  |  |  |  |  |  |  |  | 25,500
Gain on contribution of investments |  |  |  |  |  |  |  |  |  |  | (84,470)
Loss (income) from equity method investments |  |  |  |  |  |  |  |  | 31,078 | 107,252 | (139,965)
Other expense (income) |  |  |  |  |  |  |  |  | 145 | (1,657) | (106)
Total Other (Income) Expense |  |  |  |  |  |  |  |  | 111,580 | 146,158 | (175,250)
(LOSS) INCOME BEFORE INCOME TAXES |  |  |  |  |  |  |  |  | (982,622) | (1,480,885) | 400,744
INCOME TAX (BENEFIT) EXPENSE |  |  |  |  |  |  |  |  | (2,913) | (256,001) | 153,341
NET (LOSS) INCOME |  |  |  |  |  |  |  |  | (979,709) | (1,224,884) | 247,403
Guarantors |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 3,979 | 1,122 | 1,801
Costs and expenses: |  |  |  |  |  |  |  |  |  |  |
Lease operating expenses |  |  |  |  |  |  |  |  | 843 | 843 | 953
Production taxes |  |  |  |  |  |  |  |  | 155 | 122 | 203
Midstream gathering and processing |  |  |  |  |  |  |  |  | 572 | 64 | 65
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 4 | 5 | 3
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 |
General and administrative |  |  |  |  |  |  |  |  | (490) | 55 | 446
Gain on sale of assets |  |  |  |  |  |  |  |  |  |  | 0
Accretion expense |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total costs and expenses |  |  |  |  |  |  |  |  | 1,084 | 1,089 | 1,670
(LOSS) INCOME FROM OPERATIONS |  |  |  |  |  |  |  |  | 2,895 | 33 | 131
OTHER (INCOME) EXPENSE: |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  | 1 | 0 | 0
Interest income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Insurance proceeds |  |  |  |  |  |  |  |  | 0 | 0 |
Loss on debt extinguishment |  |  |  |  |  |  |  |  | 0 |  |
Litigation settlement |  |  |  |  |  |  |  |  |  |  | 0
Gain on contribution of investments |  |  |  |  |  |  |  |  |  |  | 0
Loss (income) from equity method investments |  |  |  |  |  |  |  |  | (89) | 0 | 0
Other expense (income) |  |  |  |  |  |  |  |  | (16) | (346) | (398)
Total Other (Income) Expense |  |  |  |  |  |  |  |  | (104) | (346) | (398)
(LOSS) INCOME BEFORE INCOME TAXES |  |  |  |  |  |  |  |  | 2,999 | 379 | 529
INCOME TAX (BENEFIT) EXPENSE |  |  |  |  |  |  |  |  | 0 | 0 | 0
NET (LOSS) INCOME |  |  |  |  |  |  |  |  | 2,999 | 379 | 529
Non-Guarantor |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 0 | 0 | 0
Costs and expenses: |  |  |  |  |  |  |  |  |  |  |
Lease operating expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Production taxes |  |  |  |  |  |  |  |  | 0 | 0 | 0
Midstream gathering and processing |  |  |  |  |  |  |  |  | 0 | 0 | 0
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 0 | 0 | 0
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 |
General and administrative |  |  |  |  |  |  |  |  | 3 | 20 | (2)
Gain on sale of assets |  |  |  |  |  |  |  |  |  |  | 0
Accretion expense |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total costs and expenses |  |  |  |  |  |  |  |  | 3 | 20 | (2)
(LOSS) INCOME FROM OPERATIONS |  |  |  |  |  |  |  |  | (3) | (20) | 2
OTHER (INCOME) EXPENSE: |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  | 0 | 0 | 0
Interest income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Insurance proceeds |  |  |  |  |  |  |  |  | 0 | 0 |
Loss on debt extinguishment |  |  |  |  |  |  |  |  | 0 |  |
Litigation settlement |  |  |  |  |  |  |  |  |  |  | 0
Gain on contribution of investments |  |  |  |  |  |  |  |  |  |  | 0
Loss (income) from equity method investments |  |  |  |  |  |  |  |  | 25,150 | 115,544 | 13,159
Other expense (income) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total Other (Income) Expense |  |  |  |  |  |  |  |  | 25,150 | 115,544 | 13,159
(LOSS) INCOME BEFORE INCOME TAXES |  |  |  |  |  |  |  |  | (25,153) | (115,564) | (13,157)
INCOME TAX (BENEFIT) EXPENSE |  |  |  |  |  |  |  |  | 0 | 0 | 0
NET (LOSS) INCOME |  |  |  |  |  |  |  |  | (25,153) | (115,564) | (13,157)
Eliminations |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 0 | 0 | 0
Costs and expenses: |  |  |  |  |  |  |  |  |  |  |
Lease operating expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Production taxes |  |  |  |  |  |  |  |  | 0 | 0 | 0
Midstream gathering and processing |  |  |  |  |  |  |  |  | 0 | 0 | 0
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 0 | 0 | 0
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 |
General and administrative |  |  |  |  |  |  |  |  | 0 | 0 | 0
Gain on sale of assets |  |  |  |  |  |  |  |  |  |  | 0
Accretion expense |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total costs and expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
(LOSS) INCOME FROM OPERATIONS |  |  |  |  |  |  |  |  | 0 | 0 | 0
OTHER (INCOME) EXPENSE: |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  | 0 | 0 | 0
Interest income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Insurance proceeds |  |  |  |  |  |  |  |  | 0 | 0 |
Loss on debt extinguishment |  |  |  |  |  |  |  |  | 0 |  |
Litigation settlement |  |  |  |  |  |  |  |  |  |  | 0
Gain on contribution of investments |  |  |  |  |  |  |  |  |  |  | 0
Loss (income) from equity method investments |  |  |  |  |  |  |  |  | (22,154) | (116,703) | (12,628)
Other expense (income) |  |  |  |  |  |  |  |  | 0 | 1,518 | 0
Total Other (Income) Expense |  |  |  |  |  |  |  |  | (22,154) | (115,185) | (12,628)
(LOSS) INCOME BEFORE INCOME TAXES |  |  |  |  |  |  |  |  | 22,154 | 115,185 | 12,628
INCOME TAX (BENEFIT) EXPENSE |  |  |  |  |  |  |  |  | 0 | 0 | 0
NET (LOSS) INCOME |  |  |  |  |  |  |  |  | $ 22,154 | $ 115,185 | $ 12,628

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 + Details
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- Definition The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition Amount of lease operating expense related to property used in oil and gas production. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(a)(20)) -URI http://asc.fasb.org/extlink&oid=50486907&loc=d3e511914-122862 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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