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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) | 6 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Operating activities: |  |
Net (loss) income | $ (1,594,000) | $ 116,604,000
Adjustments to reconcile net (loss) income to net cash provided from |  |
Deferred income tax expense | 7,304,000 | 45,787,000
Depletion, depreciation and amortization and impairment of proved properties | 284,612,000 | 280,223,000
Abandonment and impairment of unproved properties | 10,937,000 | 25,429,000
Derivative fair value income | (226,872,000) | (133,514,000)
Cash settlements on derivative financial instruments | 219,429,000 | 58,341,000
Allowance for bad debt | 400,000 | 0
Amortization of deferred financing costs and other | 3,398,000 | 3,243,000
Deferred and stock-based compensation | 23,113,000 | 13,727,000
Loss (gain) on the sale of assets | (121,673,000) | (5,678,000)
Gain on early extinguishment of debt | (21,914,000) | 0
Changes in working capital: |  |
Accounts receivable | 103,390,000 | 201,428,000
Other current assets | (4,056,000) | (5,035,000)
Accounts payable | (27,353,000) | (29,132,000)
Accrued liabilities and other | (45,853,000) | (125,907,000)
Net cash provided from operating activities | 203,268,000 | 445,516,000
Investing activities: |  |
Additions to natural gas properties | (254,073,000) | (380,718,000)
Additions to field service assets | (1,851,000) | (697,000)
Acreage purchases | (14,486,000) | (31,920,000)
Proceeds from disposal of assets | 1,071,000 | 34,366,000
Purchases of marketable securities held by the deferred compensation plan | (11,509,000) | (15,170,000)
Proceeds from the sales of marketable securities held by the deferred compensation plan | 16,489,000 | 18,226,000
Net cash used in investing activities | (264,359,000) | (375,913,000)
Financing activities: |  |
Borrowings on credit facilities | 1,045,000,000 | 1,151,000,000
Repayments on credit facilities | (883,000,000) | (1,199,000,000)
Issuance of senior notes | 550,000,000 | 0
Repayment of senior or senior subordinated notes | (617,982,000) | 0
Dividends paid | 0 | (10,049,000)
Treasury stock purchases | (22,992,000) | 0
Debt issuance costs | (8,360,000) | 0
Taxes paid for shares withheld | (2,352,000) | (3,343,000)
Change in cash overdrafts | 657,000 | (8,762,000)
Proceeds from the sales of common stock held by the deferred compensation plan | 142,000 | 513,000
Net cash provided from (used in) financing activities | 61,113,000 | (69,641,000)
Increase (decrease) in cash and cash equivalents | 22,000 | (38,000)
Cash and cash equivalents at beginning of period | 546,000 | 545,000
Cash and cash equivalents at end of period | $ 568,000 | $ 507,000

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- Definition The cash inflow from a borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in liquidation of the entity's assets or underlying collateral. + 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=118932676&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=118932676&loc=d3e3255-108585 + Details
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- Definition The net cash inflow or outflow from the excess drawing from an existing cash balance, which will be honored by the bank but reflected as a loan to the drawer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3098-108585 + Details
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- Definition The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. + References No definition available. + 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=118932676&loc=d3e3179-108585 + 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=118932676&loc=d3e3291-108585 + Details
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- Definition The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets or underlying collateral. + 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=118932676&loc=d3e3291-108585 + Details
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