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Condensed Consolidating Financial Information - Schedule of Condensed Consolidating Statement of Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Revenues        
Oil and gas revenues $ 248,648 $ 156,316 $ 704,533 $ 432,968
Bulk oil sales 21,195 1,867 56,917 1,867
Midstream revenues 18,767 8,487 48,939 22,380
Well services revenues 16,138 10,641 33,566 29,459
Total revenues 304,748 177,311 843,955 486,674
Operating expenses        
Lease operating expenses 45,334 35,696 133,871 98,283
Midstream operating expenses 4,301 2,617 10,891 6,095
Well services operating expenses 9,125 5,548 21,115 15,334
Marketing, transportation and gathering expenses 15,028 7,003 38,018 22,046
Bulk oil purchases 21,701 1,853 57,683 1,853
Production taxes 21,052 14,638 60,322 39,758
Depreciation, depletion and amortization 132,289 111,948 384,246 356,885
Exploration expenses 854 489 4,010 1,192
Impairment 139 382 6,021 3,967
General and administrative expenses 22,531 22,845 69,913 69,087
Total operating expenses 272,354 203,019 786,090 614,500
Gain (loss) on sale of properties 0 6 0 (1,305)
Operating income (loss) 32,394 (25,702) 57,865 (129,131)
Other income (expense)        
Equity in earnings (loss) of subsidiaries 0 0 0 0
Net gain (loss) on derivative instruments (54,310) 20,847 52,297 (55,624)
Interest expense, net of capitalized interest (37,389) (31,726) (110,548) (105,444)
Gain (loss) on extinguishment of debt 0 (13,793) 0 4,865
Other income (expense) (605) (259) (755) 188
Total other expense (92,304) (24,931) (59,006) (156,015)
Loss before income taxes (59,910) (50,633) (1,141) (285,146)
Income tax benefit (expense) 18,846 16,691 470 96,818
Net loss including non-controlling interests (41,064) (33,942) (671) (188,328)
Less: Net income attributable to non-controlling interests 150 0 150 0
Net loss attributable to Oasis (41,214) (33,942) (821) (188,328)
Intercompany Eliminations [Member]        
Revenues        
Oil and gas revenues 0 0 0 0
Bulk oil sales 0 0 0 0
Midstream revenues 0 0 0 0
Well services revenues 0 0 0 0
Total revenues 0 0 0 0
Operating expenses        
Lease operating expenses 0 0 0 0
Midstream operating expenses 0 0 0 0
Well services operating expenses 0 0 0 0
Marketing, transportation and gathering expenses 0 0 0 0
Bulk oil purchases 0 0 0 0
Production taxes 0 0 0 0
Depreciation, depletion and amortization 0 0 0 0
Exploration expenses 0 0 0 0
Impairment 0 0 0 0
General and administrative expenses 0 0 0 0
Total operating expenses 0 0 0 0
Gain (loss) on sale of properties   0   0
Operating income (loss) 0 0 0 0
Other income (expense)        
Equity in earnings (loss) of subsidiaries 11,994 1,140 (75,984) 110,454
Net gain (loss) on derivative instruments 0 0 0 0
Interest expense, net of capitalized interest 0 0 0 0
Gain (loss) on extinguishment of debt   0   0
Other income (expense) 0 0 0 0
Total other expense 11,994 1,140 (75,984) 110,454
Loss before income taxes 11,994 1,140 (75,984) 110,454
Income tax benefit (expense) 0 0 0 0
Net loss including non-controlling interests 11,994   (75,984) 110,454
Less: Net income attributable to non-controlling interests (1,112)   (1,112)  
Net loss attributable to Oasis 13,106 1,140 (74,872) 110,454
Parent/Issuer [Member]        
Revenues        
Oil and gas revenues 0 0 0 0
Bulk oil sales 0 0 0 0
Midstream revenues 0 0 0 0
Well services revenues 0 0 0 0
Total revenues 0 0 0 0
Operating expenses        
Lease operating expenses 0 0 0 0
Midstream operating expenses 0 0 0 0
Well services operating expenses 0 0 0 0
Marketing, transportation and gathering expenses 0 0 0 0
Bulk oil purchases 0 0 0 0
Production taxes 0 0 0 0
Depreciation, depletion and amortization 0 0 0 0
Exploration expenses 0 0 0 0
Impairment 0 0 0 0
General and administrative expenses 6,775 5,930 21,374 19,776
Total operating expenses 6,775 5,930 21,374 19,776
Gain (loss) on sale of properties   0   0
Operating income (loss) (6,775) (5,930) (21,374) (19,776)
Other income (expense)        
Equity in earnings (loss) of subsidiaries (13,599) (1,140) 74,379 (110,454)
Net gain (loss) on derivative instruments 0 0 0 0
Interest expense, net of capitalized interest (32,894) (29,876) (98,751) (97,898)
Gain (loss) on extinguishment of debt   (13,793)   4,865
Other income (expense) 2 1 2 44
Total other expense (46,491) (44,808) (24,370) (203,443)
Loss before income taxes (53,266) (50,738) (45,744) (223,219)
Income tax benefit (expense) 12,052 16,796 44,923 34,891
Net loss including non-controlling interests (41,214)   (821) (188,328)
Less: Net income attributable to non-controlling interests 0   0  
Net loss attributable to Oasis (41,214) (33,942) (821) (188,328)
Combined Guarantor Subsidiaries [Member]        
Revenues        
Oil and gas revenues 248,648 156,316 704,533 432,968
Bulk oil sales 21,195 1,867 56,917 1,867
Midstream revenues 15,828 8,487 46,000 22,380
Well services revenues 16,138 10,641 33,566 29,459
Total revenues 301,809 177,311 841,016 486,674
Operating expenses        
Lease operating expenses 45,334 35,696 133,871 98,283
Midstream operating expenses 3,621 2,617 10,211 6,095
Well services operating expenses 9,125 5,548 21,115 15,334
Marketing, transportation and gathering expenses 15,028 7,003 38,018 22,046
Bulk oil purchases 21,701 1,853 57,683 1,853
Production taxes 21,052 14,638 60,322 39,758
Depreciation, depletion and amortization 132,035 111,948 383,992 356,885
Exploration expenses 854 489 4,010 1,192
Impairment 139 382 6,021 3,967
General and administrative expenses 15,375 16,915 48,158 49,311
Total operating expenses 264,264 197,089 763,401 594,724
Gain (loss) on sale of properties   6   (1,305)
Operating income (loss) 37,545 (19,772) 77,615 (109,355)
Other income (expense)        
Equity in earnings (loss) of subsidiaries 1,605 0 1,605 0
Net gain (loss) on derivative instruments (54,310) 20,847 52,297 (55,624)
Interest expense, net of capitalized interest (4,476) (1,850) (11,778) (7,546)
Gain (loss) on extinguishment of debt   0   0
Other income (expense) (607) (260) (757) 144
Total other expense (57,788) 18,737 41,367 (63,026)
Loss before income taxes (20,243) (1,035) 118,982 (172,381)
Income tax benefit (expense) 6,794 (105) (44,453) 61,927
Net loss including non-controlling interests (13,449)   74,529 (110,454)
Less: Net income attributable to non-controlling interests 150   150  
Net loss attributable to Oasis (13,599) $ (1,140) 74,379 $ (110,454)
Non-Guarantor Subsidiaries [Member]        
Revenues        
Oil and gas revenues 0   0  
Bulk oil sales 0   0  
Midstream revenues 2,939   2,939  
Well services revenues 0   0  
Total revenues 2,939   2,939  
Operating expenses        
Lease operating expenses 0   0  
Midstream operating expenses 680   680  
Well services operating expenses 0   0  
Marketing, transportation and gathering expenses 0   0  
Bulk oil purchases 0   0  
Production taxes 0   0  
Depreciation, depletion and amortization 254   254  
Exploration expenses 0   0  
Impairment 0   0  
General and administrative expenses 381   381  
Total operating expenses 1,315   1,315  
Operating income (loss) 1,624   1,624  
Other income (expense)        
Equity in earnings (loss) of subsidiaries 0   0  
Net gain (loss) on derivative instruments 0   0  
Interest expense, net of capitalized interest (19)   (19)  
Other income (expense) 0   0  
Total other expense (19)   (19)  
Loss before income taxes 1,605   1,605  
Income tax benefit (expense) 0   0  
Net loss including non-controlling interests 1,605   1,605  
Less: Net income attributable to non-controlling interests 1,112   1,112  
Net loss attributable to Oasis $ 493   $ 493