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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Statement of Cash Flows [Abstract] |  |  |
Net (loss) income | $ (449,305) | $ (9,075) | $ 47,062
Adjustments to reconcile net (loss) income to net cash provided by operating activities |  |  |
Provision for doubtful accounts | 16 | (462) | 406
Depreciation, depletion and amortization | 158,558 | 139,263 | 131,887
Impairment | 409,574 | 4,170 | 4,019
Debt issuance costs amortization | 558 | 470 | 430
Amortization of discount, net of premium, on debt | 0 | (47) | (330)
Gain on extinguishment of debt | 0 | (1,151) | 0
Write off of debt issuance costs | 142 | 0 | 0
(Gain) loss on derivative contracts | (1,094) | 17,155 | (24,090)
Cash received (paid) on settlement of derivative contracts | 6,266 | (35,325) | 7,260
Stock-based compensation | 4,254 | 23,377 | 15,750
Other | (187) | (1,571) | 344
Changes in operating assets and liabilities increasing (decreasing) cash |  |  |
Receivables | 15,829 | 16,560 | 115
Prepaid expenses | (714) | 2,620 | 127
Other current assets | (301) | 170 | 191
Other assets and liabilities, net | (610) | (1,754) | 4,186
Accounts payable and accrued expenses | (17,217) | (4,257) | (2,199)
Asset retirement obligations | (4,445) | (4,629) | (3,979)
Net cash provided by operating activities | 121,324 | 145,514 | 181,179
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Capital expenditures for property, plant and equipment | (191,678) | (187,047) | (219,246)
Acquisitions of assets | 236 |  |
Acquisitions of assets |  | (24,764) | (48,312)
Proceeds from sale of assets | 1,593 | 28,358 | 21,834
Net cash used in investing activities | (189,849) | (183,453) | (245,724)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Proceeds from borrowings | 211,096 | 10,000 | 0
Repayments of borrowings | (153,596) | (46,304) | 0
Debt issuance costs | (911) | 0 | (1,488)
Reduction of financing lease liability | (1,374) | 0 | 0
Cash paid for tax withholdings on vested stock awards | (367) | (7,420) | (6,730)
Net cash provided by (used in) financing activities | 54,848 | (43,724) | (8,218)
NET DECREASE IN CASH, CASH EQUIVALENTS and RESTRICTED CASH | (13,677) | (81,663) | (72,763)
CASH, CASH EQUIVALENTS and RESTRICTED CASH, beginning of year | 19,645 | 101,308 | 174,071
CASH, CASH EQUIVALENTS and RESTRICTED CASH, end of year | $ 5,968 | $ 19,645 | $ 101,308

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