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Condensed Consolidating Financial Statements - Schedule of Condensed Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 13, 2017 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ 226,866 | $ 66,223 | $ (316,301) | $ 3,712 | $ 128,117 | $ (41,064) | $ 16,568 | $ 23,825 | $ (19,500) | $ 127,446 | $ (243,016)
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Equity in loss of subsidiaries |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  | 636,296 | 530,802 | 476,331
(Gain) loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 13,848 | 0 | (4,741)
Loss on sale of properties |  |  |  |  |  |  |  |  |  | (28,587) | (1,774) | 1,303
Impairment |  |  |  |  |  |  |  |  |  | 384,228 | 6,887 | 4,684
Deferred income taxes |  |  |  |  |  |  |  |  |  | (5,866) | (202,884) | (128,538)
Derivative instruments |  |  |  |  |  |  |  |  |  | (28,457) | 71,657 | 105,317
Equity-based compensation expenses |  |  |  |  |  |  |  |  |  | 29,273 | 26,534 | 24,103
Deferred financing costs amortization and other |  |  |  |  |  |  |  |  |  | 29,057 | 18,311 | 14,334
Working capital and other changes: |  |  |  |  |  |  |  |  |  |  |  |
Change in accounts receivable, net |  |  |  |  |  |  |  |  |  | (23,508) | (166,386) | (11,923)
Change in inventory |  |  |  |  |  |  |  |  |  | (14,346) | (2,501) | 254
Change in prepaid expenses |  |  |  |  |  |  |  |  |  | (2,354) | (838) | (295)
Change in other current assets |  |  |  |  |  |  |  |  |  | 10 | 148 | (305)
Change in long-term inventory and other assets |  |  |  |  |  |  |  |  |  | (144) | (12,143) | (151)
Change in accounts payable, interest payable and accrued liabilities |  |  |  |  |  |  |  |  |  | 26,116 | 123,107 | (13,839)
Change in other current liabilities |  |  |  |  |  |  |  |  |  | (40) | (10,450) | 4,490
Change in other liabilities |  |  |  |  |  |  |  |  |  | 395 | (40) | 10
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  | 996,421 | 507,876 | 228,018
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  | (1,148,961) | (647,349) | (426,256)
Acquisitions |  |  |  |  |  |  |  |  |  | (581,650) | (61,874) | (781,522)
Acquisitions of oil and gas properties |  |  |  |  |  |  |  |  |  |  | (61,874) | (781,522)
Proceeds from sale of properties |  |  |  |  |  |  |  |  |  | 333,229 | 5,774 | 12,333
Costs related to sale of properties |  |  |  |  |  |  |  |  |  | (2,850) | (366) | (310)
Derivative settlements |  |  |  |  |  |  |  |  |  | (213,528) | (8,264) |
Advances from joint interest partners |  |  |  |  |  |  |  |  |  |  | (2,681) |
Derivative settlements |  |  |  |  |  |  |  |  |  |  |  | 121,977
Advances from joint interest partners |  |  |  |  |  |  |  |  |  | 224 |  | 2,950
Net cash used in investing activities |  |  |  |  |  |  |  |  |  | (1,613,536) | (714,760) | (1,070,828)
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Revolving Credit Facilities |  |  |  |  |  |  |  |  |  | 3,224,000 | 1,162,000 | 1,407,000
Principal payments on revolving credit facility |  |  |  |  |  |  |  |  |  | (2,586,000) | (1,377,000) | (1,182,000)
Repurchase of senior unsecured notes |  |  |  |  |  |  |  |  |  | (423,340) | 0 | (435,907)
Proceeds from issuance of senior unsecured notes |  |  |  |  |  |  |  |  |  | 400,000 | 0 | 300,000
Deferred financing costs |  |  |  |  |  |  |  |  |  | (13,862) | (2,714) | (9,127)
Proceeds from sale of common stock | $ 302,600 |  |  |  |  |  |  |  |  | 0 | 302,191 | 766,670
Proceeds from sale of Oasis Midstream common units, net of offering costs |  |  |  |  |  |  |  |  |  | 44,503 | 134,185 | 0
Purchases of treasury stock |  |  |  |  |  |  |  |  |  | (6,846) | (6,229) | (2,330)
Distributions to non-controlling interests |  |  |  |  |  |  |  |  |  | (14,114) | 0 | 0
Investment in / capital contributions from subsidiaries |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other |  |  |  |  |  |  |  |  |  | (1,756) | (55) | 0
Net cash provided by financing activities |  |  |  |  |  |  |  |  |  | 622,585 | 212,378 | 844,306
Increase in cash and cash equivalents |  |  |  |  |  |  |  |  |  | 5,470 | 5,494 | 1,496
Beginning of period |  |  |  |  | 16,720 |  |  |  | 11,226 | 16,720 | 11,226 | 9,730
End of period |  | 22,190 |  |  |  | 16,720 |  |  |  | 22,190 | 16,720 | 11,226
Intercompany Eliminations |  |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  | (259,130) | (360,887) | 140,978
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Equity in loss of subsidiaries |  |  |  |  |  |  |  |  |  | 249,995 | 358,921 | (140,978)
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  | (15,462) | (2,439) | 0
(Gain) loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 0 |  | 0
Loss on sale of properties |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Impairment |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Deferred income taxes |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Derivative instruments |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Equity-based compensation expenses |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Deferred financing costs amortization and other |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Working capital and other changes: |  |  |  |  |  |  |  |  |  |  |  |
Change in accounts receivable, net |  |  |  |  |  |  |  |  |  | 242,808 | 277,887 | 30,883
Change in inventory |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Change in prepaid expenses |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Change in other current assets |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Change in long-term inventory and other assets |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Change in accounts payable, interest payable and accrued liabilities |  |  |  |  |  |  |  |  |  | (242,808) | (277,887) | (30,883)
Change in other current liabilities |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Change in other liabilities |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  | (24,597) | (4,405) | 0
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Acquisitions |  |  |  |  |  |  |  |  |  | 0 |  |
Acquisitions of oil and gas properties |  |  |  |  |  |  |  |  |  |  | 66,679 | 0
Proceeds from sale of properties |  |  |  |  |  |  |  |  |  | 0 | (66,679) | 0
Costs related to sale of properties |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Derivative settlements |  |  |  |  |  |  |  |  |  | 0 | 0 |
Advances from joint interest partners |  |  |  |  |  |  |  |  |  |  | 0 |
Derivative settlements |  |  |  |  |  |  |  |  |  |  |  | 0
Advances from joint interest partners |  |  |  |  |  |  |  |  |  | 0 |  | 0
Net cash used in investing activities |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Revolving Credit Facilities |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Principal payments on revolving credit facility |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Repurchase of senior unsecured notes |  |  |  |  |  |  |  |  |  | 0 |  | 0
Proceeds from issuance of senior unsecured notes |  |  |  |  |  |  |  |  |  | 0 |  | 0
Deferred financing costs |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Proceeds from sale of common stock |  |  |  |  |  |  |  |  |  |  | 0 | 0
Proceeds from sale of Oasis Midstream common units, net of offering costs |  |  |  |  |  |  |  |  |  | 0 | 0 |
Purchases of treasury stock |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Distributions to non-controlling interests |  |  |  |  |  |  |  |  |  | 0 |  |
Investment in / capital contributions from subsidiaries |  |  |  |  |  |  |  |  |  | 24,597 | 4,405 | 0
Other |  |  |  |  |  |  |  |  |  | 0 | 0 |
Net cash provided by financing activities |  |  |  |  |  |  |  |  |  | 24,597 | 4,405 | 0
Increase in cash and cash equivalents |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Beginning of period |  |  |  |  | 0 |  |  |  | 0 | 0 | 0 | 0
End of period |  | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Parent/ Issuer |  |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  | (35,296) | 123,796 | (243,016)
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Equity in loss of subsidiaries |  |  |  |  |  |  |  |  |  | (103,586) | (323,953) | 140,978
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
(Gain) loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 13,848 |  | (4,741)
Loss on sale of properties |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Impairment |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Deferred income taxes |  |  |  |  |  |  |  |  |  | (36,102) | 41,213 | (48,796)
Derivative instruments |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Equity-based compensation expenses |  |  |  |  |  |  |  |  |  | 27,456 | 25,436 | 23,346
Deferred financing costs amortization and other |  |  |  |  |  |  |  |  |  | 16,069 | 15,392 | 9,107
Working capital and other changes: |  |  |  |  |  |  |  |  |  |  |  |
Change in accounts receivable, net |  |  |  |  |  |  |  |  |  | (217,714) | (173,668) | (250,737)
Change in inventory |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Change in prepaid expenses |  |  |  |  |  |  |  |  |  | (106) | 9 | 3
Change in other current assets |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Change in long-term inventory and other assets |  |  |  |  |  |  |  |  |  | 0 | 0 | 100
Change in accounts payable, interest payable and accrued liabilities |  |  |  |  |  |  |  |  |  | 6,886 | 7,074 | (230,518)
Change in other current liabilities |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Change in other liabilities |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  | (328,545) | (284,701) | (604,274)
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Acquisitions |  |  |  |  |  |  |  |  |  | 0 |  |
Acquisitions of oil and gas properties |  |  |  |  |  |  |  |  |  |  | 0 | 0
Proceeds from sale of properties |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Costs related to sale of properties |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Derivative settlements |  |  |  |  |  |  |  |  |  | 0 | 0 |
Advances from joint interest partners |  |  |  |  |  |  |  |  |  |  | 0 |
Derivative settlements |  |  |  |  |  |  |  |  |  |  |  | 0
Advances from joint interest partners |  |  |  |  |  |  |  |  |  | 0 |  | 0
Net cash used in investing activities |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Revolving Credit Facilities |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Principal payments on revolving credit facility |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Repurchase of senior unsecured notes |  |  |  |  |  |  |  |  |  | (423,340) |  | (435,907)
Proceeds from issuance of senior unsecured notes |  |  |  |  |  |  |  |  |  | 400,000 |  | 300,000
Deferred financing costs |  |  |  |  |  |  |  |  |  | (6,908) | 0 | (8,197)
Proceeds from sale of common stock |  |  |  |  |  |  |  |  |  |  | 302,191 | 766,670
Proceeds from sale of Oasis Midstream common units, net of offering costs |  |  |  |  |  |  |  |  |  | 0 | 0 |
Purchases of treasury stock |  |  |  |  |  |  |  |  |  | (6,846) | (6,229) | (2,330)
Distributions to non-controlling interests |  |  |  |  |  |  |  |  |  | 0 |  |
Investment in / capital contributions from subsidiaries |  |  |  |  |  |  |  |  |  | 365,602 | (11,194) | (16,573)
Other |  |  |  |  |  |  |  |  |  | 38 | (55) |
Net cash provided by financing activities |  |  |  |  |  |  |  |  |  | 328,546 | 284,713 | 603,663
Increase in cash and cash equivalents |  |  |  |  |  |  |  |  |  | 1 | 12 | (611)
Beginning of period |  |  |  |  | 178 |  |  |  | 166 | 178 | 166 | 777
End of period |  | 179 |  |  |  | 178 |  |  |  | 179 | 178 | 166
Combined Guarantor Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  | 128,517 | 329,569 | (140,978)
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Equity in loss of subsidiaries |  |  |  |  |  |  |  |  |  | (146,409) | (34,968) | 0
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  | 623,354 | 528,615 | 476,331
(Gain) loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 0 |  | 0
Loss on sale of properties |  |  |  |  |  |  |  |  |  | (28,587) | (1,774) | 1,303
Impairment |  |  |  |  |  |  |  |  |  | 384,228 | 6,887 | 4,684
Deferred income taxes |  |  |  |  |  |  |  |  |  | 30,236 | (244,097) | (79,742)
Derivative instruments |  |  |  |  |  |  |  |  |  | (28,457) | 71,657 | 105,317
Equity-based compensation expenses |  |  |  |  |  |  |  |  |  | 1,461 | 1,045 | 757
Deferred financing costs amortization and other |  |  |  |  |  |  |  |  |  | 13,507 | 2,794 | 5,227
Working capital and other changes: |  |  |  |  |  |  |  |  |  |  |  |
Change in accounts receivable, net |  |  |  |  |  |  |  |  |  | (52,013) | (216,982) | 207,931
Change in inventory |  |  |  |  |  |  |  |  |  | (14,324) | (2,501) | 254
Change in prepaid expenses |  |  |  |  |  |  |  |  |  | (1,608) | (98) | (298)
Change in other current assets |  |  |  |  |  |  |  |  |  | 10 | 148 | (305)
Change in long-term inventory and other assets |  |  |  |  |  |  |  |  |  | (144) | (12,143) | (251)
Change in accounts payable, interest payable and accrued liabilities |  |  |  |  |  |  |  |  |  | 234,425 | 337,319 | 247,562
Change in other current liabilities |  |  |  |  |  |  |  |  |  | (40) | (10,450) | 4,490
Change in other liabilities |  |  |  |  |  |  |  |  |  | 395 | (40) | 10
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  | 1,144,551 | 754,981 | 832,292
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  | (872,151) | (594,945) | (426,256)
Acquisitions |  |  |  |  |  |  |  |  |  | (581,650) |  |
Acquisitions of oil and gas properties |  |  |  |  |  |  |  |  |  |  | (61,874) | (781,522)
Proceeds from sale of properties |  |  |  |  |  |  |  |  |  | 333,229 | 72,453 | 12,333
Costs related to sale of properties |  |  |  |  |  |  |  |  |  | (2,850) | (366) | (310)
Derivative settlements |  |  |  |  |  |  |  |  |  | (213,528) | (8,264) |
Advances from joint interest partners |  |  |  |  |  |  |  |  |  |  | (2,681) |
Derivative settlements |  |  |  |  |  |  |  |  |  |  |  | 121,977
Advances from joint interest partners |  |  |  |  |  |  |  |  |  | 224 |  | 2,950
Net cash used in investing activities |  |  |  |  |  |  |  |  |  | (1,336,726) | (595,677) | (1,070,828)
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Revolving Credit Facilities |  |  |  |  |  |  |  |  |  | 2,949,000 | 1,084,000 | 1,407,000
Principal payments on revolving credit facility |  |  |  |  |  |  |  |  |  | (2,551,000) | (1,377,000) | (1,182,000)
Repurchase of senior unsecured notes |  |  |  |  |  |  |  |  |  | 0 |  | 0
Proceeds from issuance of senior unsecured notes |  |  |  |  |  |  |  |  |  | 0 |  | 0
Deferred financing costs |  |  |  |  |  |  |  |  |  | (5,988) | (577) | (930)
Proceeds from sale of common stock |  |  |  |  |  |  |  |  |  |  | 0 | 0
Proceeds from sale of Oasis Midstream common units, net of offering costs |  |  |  |  |  |  |  |  |  | 0 | 0 |
Purchases of treasury stock |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Distributions to non-controlling interests |  |  |  |  |  |  |  |  |  | 114,789 |  |
Investment in / capital contributions from subsidiaries |  |  |  |  |  |  |  |  |  | (313,129) | 138,872 | 16,573
Other |  |  |  |  |  |  |  |  |  | (1,794) | 0 |
Net cash provided by financing activities |  |  |  |  |  |  |  |  |  | 191,878 | (154,705) | 240,643
Increase in cash and cash equivalents |  |  |  |  |  |  |  |  |  | (297) | 4,599 | 2,107
Beginning of period |  |  |  |  | 15,659 |  |  |  | 11,060 | 15,659 | 11,060 | 8,953
End of period |  | 15,362 |  |  |  | 15,659 |  |  |  | 15,362 | 15,659 | 11,060
Combined Non-guarantor Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  | 146,409 | 34,968 |
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Equity in loss of subsidiaries |  |  |  |  |  |  |  |  |  | 0 | 0 |
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  |  | 28,404 | 4,626 |
(Gain) loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 0 |  |
Loss on sale of properties |  |  |  |  |  |  |  |  |  | 0 | 0 |
Impairment |  |  |  |  |  |  |  |  |  | 0 | 0 |
Deferred income taxes |  |  |  |  |  |  |  |  |  | 0 | 0 |
Derivative instruments |  |  |  |  |  |  |  |  |  | 0 | 0 |
Equity-based compensation expenses |  |  |  |  |  |  |  |  |  | 356 | 53 |
Deferred financing costs amortization and other |  |  |  |  |  |  |  |  |  | (519) | 125 |
Working capital and other changes: |  |  |  |  |  |  |  |  |  |  |  |
Change in accounts receivable, net |  |  |  |  |  |  |  |  |  | 3,411 | (53,623) |
Change in inventory |  |  |  |  |  |  |  |  |  | (22) | 0 |
Change in prepaid expenses |  |  |  |  |  |  |  |  |  | (640) | (749) |
Change in other current assets |  |  |  |  |  |  |  |  |  | 0 | 0 |
Change in long-term inventory and other assets |  |  |  |  |  |  |  |  |  | 0 | 0 |
Change in accounts payable, interest payable and accrued liabilities |  |  |  |  |  |  |  |  |  | 27,613 | 56,601 |
Change in other current liabilities |  |  |  |  |  |  |  |  |  | 0 | 0 |
Change in other liabilities |  |  |  |  |  |  |  |  |  | 0 | 0 |
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  | 205,012 | 42,001 |
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  | (276,810) | (52,404) |
Acquisitions |  |  |  |  |  |  |  |  |  | 0 |  |
Acquisitions of oil and gas properties |  |  |  |  |  |  |  |  |  |  | (66,679) |
Proceeds from sale of properties |  |  |  |  |  |  |  |  |  | 0 | 0 |
Costs related to sale of properties |  |  |  |  |  |  |  |  |  | 0 | 0 |
Derivative settlements |  |  |  |  |  |  |  |  |  | 0 | 0 |
Advances from joint interest partners |  |  |  |  |  |  |  |  |  |  | 0 |
Advances from joint interest partners |  |  |  |  |  |  |  |  |  | 0 |  |
Net cash used in investing activities |  |  |  |  |  |  |  |  |  | (276,810) | (119,083) |
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Revolving Credit Facilities |  |  |  |  |  |  |  |  |  | 275,000 | 78,000 |
Principal payments on revolving credit facility |  |  |  |  |  |  |  |  |  | (35,000) | 0 |
Repurchase of senior unsecured notes |  |  |  |  |  |  |  |  |  | 0 |  |
Proceeds from issuance of senior unsecured notes |  |  |  |  |  |  |  |  |  | 0 |  |
Deferred financing costs |  |  |  |  |  |  |  |  |  | (966) | (2,137) |
Proceeds from sale of common stock |  |  |  |  |  |  |  |  |  |  | 0 |
Proceeds from sale of Oasis Midstream common units, net of offering costs |  |  |  |  |  |  |  |  |  | 44,503 | 134,185 |
Purchases of treasury stock |  |  |  |  |  |  |  |  |  | 0 | 0 |
Distributions to non-controlling interests |  |  |  |  |  |  |  |  |  | (128,903) |  |
Investment in / capital contributions from subsidiaries |  |  |  |  |  |  |  |  |  | (77,070) | (132,083) |
Other |  |  |  |  |  |  |  |  |  | 0 | 0 |
Net cash provided by financing activities |  |  |  |  |  |  |  |  |  | 77,564 | 77,965 |
Increase in cash and cash equivalents |  |  |  |  |  |  |  |  |  | 5,766 | 883 |
Beginning of period |  |  |  |  | $ 883 |  |  |  | $ 0 | 883 | 0 |
End of period |  | $ 6,649 |  |  |  | $ 883 |  |  |  | $ 6,649 | $ 883 | $ 0

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- Definition The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition The cash inflow provided by derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the issuance of common limited partners units during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669619-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669625-108580 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3000-108585 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 + Details
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- Definition The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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