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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 1 Months Ended | 11 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2020 | Nov. 19, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Cash flows from operating activities: |  |  |  |
Net loss including non-controlling interests | $ (45,962) | $ (3,724,611) | $ (90,647) | $ (19,500)
Adjustments to reconcile net loss including non-controlling interests to net cash provided by operating activities: |  |  |  |
Depreciation, depletion and amortization | 16,094 | 291,115 | 787,192 | 636,296
(Gain) loss on extinguishment of debt | 0 | (83,867) | (4,312) | 13,848
(Gain) loss on sale of properties | (11) | (10,396) | 4,455 | (28,587)
Impairment | 0 | 4,937,143 | 10,257 | 384,228
Deferred income taxes | (3,447) | (262,926) | (32,699) | (5,866)
Derivative instruments | 84,615 | (233,565) | 106,314 | (28,457)
Equity-based compensation expenses | 270 | 31,315 | 33,607 | 29,273
Non-cash reorganization items, net | 0 | (809,036) | 0 | 0
Deferred financing costs amortization and other | 6,824 | 41,811 | 27,263 | 29,057
Working capital and other changes: |  |  |  |
Change in accounts receivable, net | 68,322 | 96,436 | 13,729 | (23,508)
Change in inventory | 1,902 | (4,005) | (5,893) | (14,346)
Change in prepaid expenses | (2,976) | 1,674 | 325 | (2,354)
Change in accounts payable, interest payable and accrued liabilities | (24,573) | (62,694) | 53,051 | 26,116
Change in other assets and liabilities, net | (5,803) | (5,458) | (9,789) | 221
Net cash provided by operating activities | 95,255 | 202,936 | 892,853 | 996,421
Cash flows from investing activities: |  |  |  |
Capital expenditures | (9,805) | (332,007) | (869,221) | (1,148,961)
Acquisitions | 0 | 0 | (21,009) | (581,650)
Proceeds from sale of properties | 0 | 15,188 | 42,376 | 333,229
Costs related to sale of properties | 0 | 0 | 0 | (2,850)
Derivative settlements | (76) | 224,416 | 19,098 | (213,528)
Other | 0 | 0 | 0 | 224
Net cash used in investing activities | (9,881) | (92,403) | (828,756) | (1,613,536)
Cash flows from financing activities: |  |  |  |
Proceeds from revolving credit facilities | 29,000 | 686,189 | 1,982,000 | 3,224,000
Principal payments on revolving credit facilities | (114,500) | (686,189) | (1,972,500) | (2,586,000)
Repurchase of senior unsecured notes | 0 | (68,060) | (45,790) | (423,340)
Proceeds from issuance of senior unsecured notes | 0 | 0 | 0 | 400,000
Deferred financing costs | 0 | (7,260) | (1,052) | (13,862)
Debtor-in-possession credit facility fees | 0 | (5,853) | 0 | 0
Proceeds from sale of Oasis Midstream Partners common units, net of offering costs | 0 | 0 | 0 | 44,503
Purchases of treasury stock | 0 | (2,756) | (4,856) | (6,846)
Distributions to non-controlling interests | 0 | (24,080) | (21,270) | (14,114)
Payments on finance lease liabilities | (202) | (1,989) | (2,382) | 0
Other | 0 | 0 | (418) | (1,756)
Net cash provided by (used in) financing activities | (85,702) | (109,998) | (66,268) | 622,585
Increase (decrease) in cash, cash equivalents and restricted cash | (328) | 535 | (2,171) | 5,470
Cash, cash equivalents and restricted cash: |  |  |  |
Beginning of period | 20,554 | 20,019 | 22,190 | 16,720
End of period | 20,226 | 20,554 | 20,019 | 22,190
Supplemental cash flow information: |  |  |  |
Cash paid for interest, net of capitalized interest | 2,411 | 152,416 | 155,833 | 141,196
Cash paid for income taxes | 1 | 109 | 111 | 38
Cash received for income tax refunds | 28 | 282 | 146 | 25
Cash paid for reorganization items | 0 | 22,205 | 0 | 0
Supplemental non-cash transactions: |  |  |  |
Change in accrued capital expenditures | 7,938 | (107,725) | (82,414) | 68,946
Change in asset retirement obligations | 377 | (10,268) | 4,917 | 3,880
Issuance of shares in connection with acquisition | $ 0 | $ 0 | $ 0 | $ 371,220

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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3521-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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- Definition The net cash outflow or inflow from 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 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 + Details
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- Definition Amount of cash (inflow) outflow from investing 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=120395691&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 13 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 Reference 3: 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=121586364&loc=d3e3179-108585 + Details
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- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term 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 (e) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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- Definition The cash outflow for exploration and development of oil and gas properties. It includes cash payments related to development of oil and gas wells drilled at previously untested geologic structures (to determine the presence of oil or gas) and wells drilled at sites where the presence of oil or gas has already been established (to extract the oil or gas). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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- Definition Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest. + 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 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition The amount of cash received during the period as refunds for the overpayment of taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4297-108586 + 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=121586364&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=121586364&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=121586364&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=120395691&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=121586364&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=121586364&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=121586364&loc=d3e3179-108585 + Details
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