Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidating Financial Information (Condensed Consolidating Statements of Operations) (Details)

v3.10.0.1
Condensed Consolidating Financial Information (Condensed Consolidating Statements of Operations) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Revenues:        
Total revenues $ 252,740 $ 323,953 $ 578,132 $ 656,957
Costs and expenses:        
Lease operating expenses 22,912 20,721 41,818 40,024
Production taxes 7,659 5,139 14,513 9,045
Midstream gathering and processing 71,440 58,945 135,633 106,886
Depreciation, depletion and amortization 121,915 82,246 232,933 148,237
General and administrative 14,008 12,257 27,107 24,857
Accretion expense 1,015 410 2,019 692
Acquisition expense 0 1,060 0 2,358
Total costs and expenses 238,949 180,778 454,023 332,099
(LOSS) INCOME FROM OPERATIONS 13,791 143,175 124,109 324,858
OTHER (INCOME) EXPENSE:        
Interest expense 33,704 24,188 67,669 47,667
Interest income (33) (48) (70) (890)
Insurance proceeds (231) 0 (231) 0
Gain on sale of equity method investments (122,035) (12,523) (122,035) (12,523)
(Income) loss from equity method investments and investments in subsidiaries (8,888) 25,824 (22,424) 30,731
Other income (45) (202) (140) (518)
INCOME (LOSS) BEFORE INCOME TAXES 111,319 105,936 201,340 260,391
INCOME TAX (EXPENSE) BENEFIT 0 0 (69) 0
NET INCOME (LOSS) 111,319 105,936 201,409 260,391
Parent        
OTHER (INCOME) EXPENSE:        
Insurance proceeds (231)   (231)  
Guarantors        
OTHER (INCOME) EXPENSE:        
Insurance proceeds 0   0  
Non-Guarantor        
OTHER (INCOME) EXPENSE:        
Insurance proceeds 0   0  
Reportable Legal Entities | Parent        
Revenues:        
Total revenues 146,774 249,353 360,335 521,794
Costs and expenses:        
Lease operating expenses 16,593 16,423 30,424 33,872
Production taxes 4,793 3,645 8,804 6,747
Midstream gathering and processing 52,542 42,291 98,208 80,015
Depreciation, depletion and amortization 121,915 82,245 232,932 148,235
General and administrative 14,975 13,052 28,786 25,926
Accretion expense 795 291 1,585 573
Acquisition expense   5   5
Total costs and expenses 211,613 157,952 400,739 295,373
(LOSS) INCOME FROM OPERATIONS (64,839) 91,401 (40,404) 226,421
OTHER (INCOME) EXPENSE:        
Interest expense 34,663 26,133 69,056 51,181
Interest income (27) (42) (58) (884)
Gain on sale of equity method investments (25,616) (12,523) (25,616) 12,523
(Income) loss from equity method investments and investments in subsidiaries (183,901) (27,952) (283,765) 70,566
Other income (1,046) (151) (1,130) (1,178)
INCOME (LOSS) BEFORE INCOME TAXES 111,319 105,936 201,340 260,391
INCOME TAX (EXPENSE) BENEFIT 0 0 (69) 0
NET INCOME (LOSS) 111,319 105,936 201,409 260,391
Reportable Legal Entities | Guarantors        
Revenues:        
Total revenues 105,966 74,600 217,797 135,163
Costs and expenses:        
Lease operating expenses 6,319 4,298 11,394 6,152
Production taxes 2,866 1,494 5,709 2,298
Midstream gathering and processing 18,898 16,654 37,425 26,871
Depreciation, depletion and amortization 0 1 1 2
General and administrative (968) (796) (1,681) (1,071)
Accretion expense 220 119 434 119
Acquisition expense   1,055   2,353
Total costs and expenses 27,335 22,825 53,282 36,724
(LOSS) INCOME FROM OPERATIONS 78,631 51,775 164,515 98,439
OTHER (INCOME) EXPENSE:        
Interest expense (959) (1,945) (1,387) (3,514)
Interest income (6) (6) (12) (6)
Gain on sale of equity method investments (96,419) 0 (96,419) 0
(Income) loss from equity method investments and investments in subsidiaries (336) (83) (693) 2,458
Other income 1 (51) (10) (240)
INCOME (LOSS) BEFORE INCOME TAXES 176,350 53,860 263,036 99,741
INCOME TAX (EXPENSE) BENEFIT 0 0 0 0
NET INCOME (LOSS) 176,350 53,860 263,036 99,741
Reportable Legal Entities | Non-Guarantor        
Revenues:        
Total revenues 0 0 0 0
Costs and expenses:        
Lease operating expenses 0 0 0 0
Production taxes 0 0 0 0
Midstream gathering and processing 0 0 0 0
Depreciation, depletion and amortization 0 0 0 0
General and administrative 1 1 2 2
Accretion expense 0 0 0 0
Acquisition expense   0   0
Total costs and expenses 1 1 2 2
(LOSS) INCOME FROM OPERATIONS (1) (1) (2) (2)
OTHER (INCOME) EXPENSE:        
Interest expense 0 0 0 0
Interest income 0 0 0 0
Gain on sale of equity method investments 0 0 0 0
(Income) loss from equity method investments and investments in subsidiaries 228 208 558 573
Other income 0 0 0 0
INCOME (LOSS) BEFORE INCOME TAXES (229) (209) (560) (575)
INCOME TAX (EXPENSE) BENEFIT 0 0 0 0
NET INCOME (LOSS) (229) (209) (560) (575)
Eliminations        
Revenues:        
Total revenues 0 0 0 0
Costs and expenses:        
Lease operating expenses 0 0 0 0
Production taxes 0 0 0 0
Midstream gathering and processing 0 0 0 0
Depreciation, depletion and amortization 0 0 0 0
General and administrative 0 0 0 0
Accretion expense 0 0 0 0
Acquisition expense   0   0
Total costs and expenses 0 0 0 0
(LOSS) INCOME FROM OPERATIONS 0 0 0 0
OTHER (INCOME) EXPENSE:        
Interest expense 0 0 0 0
Interest income 0 0 0 0
Insurance proceeds 0   0  
Gain on sale of equity method investments 0 0 0 0
(Income) loss from equity method investments and investments in subsidiaries 175,121 53,651 261,476 98,266
Other income 1,000 0 1,000 900
INCOME (LOSS) BEFORE INCOME TAXES (176,121) (53,651) (262,476) (99,166)
INCOME TAX (EXPENSE) BENEFIT 0 0 0 0
NET INCOME (LOSS) $ (176,121) $ (53,651) $ (262,476) $ (99,166)