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Derivative Financial Instruments (Details 3) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Summary of location and aggregate fair value of all derivative financial instruments recorded in the consolidated statements of operations |  |  |
Third-party midstream services revenues | $ 9,286 | $ 77,094 | $ 5,022
Unrealized (loss) gain on derivatives | (41,238) | (39,265) | 58,302
Revenues [Member] |  |  |
Summary of location and aggregate fair value of all derivative financial instruments recorded in the consolidated statements of operations |  |  |
Third-party midstream services revenues | 9,286 | 77,094 | 5,022
Unrealized (loss) gain on derivatives | (41,238) | (39,265) | 58,302
Total | (31,952) | 37,829 | 63,324
Oil [Member] | Revenues [Member] |  |  |
Summary of location and aggregate fair value of all derivative financial instruments recorded in the consolidated statements of operations |  |  |
Third-party midstream services revenues | 5,851 | 62,259 | 5,221
Unrealized (loss) gain on derivatives | (18,969) | (31,897) | 47,178
Natural Gas [Member] | Revenues [Member] |  |  |
Summary of location and aggregate fair value of all derivative financial instruments recorded in the consolidated statements of operations |  |  |
Third-party midstream services revenues | 3,435 | 12,653 | (718)
Unrealized (loss) gain on derivatives | (22,269) | (5,440) | 9,087
NGL's [Member] | Revenues [Member] |  |  |
Summary of location and aggregate fair value of all derivative financial instruments recorded in the consolidated statements of operations |  |  |
Third-party midstream services revenues | 0 | 2,182 | 519
Unrealized (loss) gain on derivatives | $ 0 | $ (1,928) | $ 2,037

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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5618551-113959 + Details
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- Definition The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(h)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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