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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) | 6 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net loss | $ (228,449,000) | $ (18,561,000)
Adjustments to reconcile net loss to net cash provided by operating activities |  |
Provision for doubtful accounts | 283,000 | (91,000)
Depreciation, depletion, and amortization | 42,576,000 | 81,813,000
Impairment | 209,754,000 | 0
Debt issuance costs amortization | 318,000 | 238,000
Write off of debt issuance costs | 0 | 142,000
(Gain) loss on derivative contracts | (12,467,000) | 209,000
Cash received on settlement of derivative contracts | 10,577,000 | 5,078,000
Loss (gains) on sale of assets | 78,000 | 0
Stock-based compensation | 749,000 | 3,104,000
Other | 68,000 | (57,000)
Changes in operating assets and liabilities | (10,025,000) | (9,402,000)
Net cash provided by operating activities | 13,462,000 | 62,473,000
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Capital expenditures for property, plant and equipment | (6,814,000) | (123,676,000)
Acquisition of assets | 0 | 236,000
Proceeds from sale of assets | 1,506,000 | 852,000
Net cash used in investing activities | (5,308,000) | (122,588,000)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Proceeds from borrowings | 39,000,000 | 112,596,000
Repayments of borrowings | (37,500,000) | (60,596,000)
Reduction of financing lease liability | (694,000) | (635,000)
Debt issuance costs | 0 | (901,000)
Cash paid for tax withholdings on vested stock awards | (1,000) | (205,000)
Net cash provided by financing activities | 805,000 | 50,259,000
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS and RESTRICTED CASH | 8,959,000 | (9,856,000)
CASH, CASH EQUIVALENTS and RESTRICTED CASH, beginning of year | 5,968,000 | 19,645,000
CASH, CASH EQUIVALENTS and RESTRICTED CASH, end of period | 14,927,000 | 9,789,000
Supplemental Disclosure of Cash Flow Information |  |
Cash paid for interest, net of amounts capitalized | (812,000) | (949,000)
Cash received for income taxes | 616,000 | 0
Supplemental Disclosure of Noncash Investing and Financing Activities |  |
Purchase of PP&E in accounts payable | 704,000 | 17,224,000
Right-of-use assets obtained in exchange for financing lease obligations | $ 67,000 | $ 2,655,000

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- Definition Cash inflow representing an adjustment to the purchase price of a previous acquisition. + 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=121586364&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. + 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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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(5)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal 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=121586364&loc=d3e3291-108585 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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