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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2016 | Jun. 30, 2015
Statement of Cash Flows [Abstract] |  |
Net loss | $ (515,891) | $ (110,566)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Net (gain) loss on divestiture activity | 18,975 | (36,082)
Depletion, depreciation, amortization, and asset retirement obligation liability accretion | 425,227 | 437,105
Exploratory dry hole expense | (24) | 22,896
Impairment of proved properties | 269,785 | 68,440
Abandonment and impairment of unproved properties | 2,349 | 17,446
Stock-based compensation expense | 13,915 | 13,215
Change in Net Profits Plan liability | 1,865 | (8,810)
Derivative gain (loss) | 149,123 | (73,238)
Derivative settlement gain | 248,738 | 274,024
Amortization of deferred financing costs | 1,930 | 3,892
Non-cash (gain) loss on extinguishment of debt, net | (15,722) | 4,123
Deferred income taxes | (291,014) | (84,556)
Plugging and abandonment | (2,716) | (3,386)
Other, net | 676 | (434)
Changes in current assets and liabilities: |  |
Accounts receivable | (11,220) | 38,951
Prepaid expenses and other | 8,487 | 2,933
Accounts payable and accrued expenses | (61,727) | (34,040)
Accrued derivative settlements | 14,117 | 17,595
Net cash provided by operating activities | 256,873 | 549,508
Cash flows from investing activities: |  |
Net proceeds from the sale of oil and gas properties | 12,967 | 334,988
Capital expenditures | (345,570) | (974,130)
Acquisition of proved and unproved oil and gas properties | (17,751) | (6,588)
Other, net | (900) | (996)
Net Cash Used in Investing Activities | (351,254) | (646,726)
Cash flows from financing activities: |  |
Proceeds from credit facility | 585,000 | 1,230,500
Repayment of credit facility | (456,500) | (1,274,500)
Debt issuance costs related to credit facility | (3,132) | 0
Net proceeds from Senior Notes | 0 | 491,557
Cash paid to repurchase Senior Notes | (29,904) | (350,000)
Proceeds from sale of common stock | 2,354 | 3,157
Payments of Ordinary Dividends, Common Stock | (3,404) | (3,373)
Other, net | (33) | (161)
Net Cash Provided by Financing Activities | 94,381 | 97,180
Net change in cash and cash equivalents | 0 | (38)
Cash and cash equivalents at beginning of period | 18 | 120
Cash and cash equivalents at end of period | 18 | 82
Supplemental schedule of additional cash flow information and non-cash activities: |  |
Cash paid for interest, net of capitalized interest | 63,590 | 64,899
Net cash (refunded) paid for income taxes | $ (4,564) | $ 380

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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3098-108585 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 + Details
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- Definition Dry hole costs from oil and gas producing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 25 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56951519&loc=d3e64954-109465 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 23 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62136-109447 + Details
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