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Supplemental Disclosures (Details 1) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015
Supplemental disclosures of cash flow information |  |
Cash paid for interest expense, net of amounts capitalized | $ 13,370 | $ 2,617
Asset retirement obligations related to mineral properties | 2,588 | 1,487
Asset retirement obligations related to support equipment and facilities | 644 | 89
(Decrease) increase in liabilities for oil and natural gas properties capital expenditures | (7,849) | (30,282)
(Decrease) increase in liabilities for support equipment and facilities | (2,687) | 2,525
Stock-based compensation expense recognized as liability | 457 | 191
Transfer of inventory from oil and natural gas properties | $ 655 | $ 586

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- Definition The amount of cash paid for interest during the period net of cash paid for interest that is capitalized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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