v2.4.0.8

Derivatives (Details 1) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013
--- | --- | --- | ---
Derivatives, Fair Value [Line Items] |  |  |
Commodity derivative assets | $ 147,983 | $ 31,055 | $ 38,352
Commodity derivative liabilities | 0 | 0 | 0
Commodity derivative assets - current | 126,396 | 71,319 | 105,390
Commodity derivative assets - noncurrent | 2,383 | 246 | 5
Commodity derivative liabilities - current | (229,265) | (63,954) | (88,234)
Commodity derivative liabilities - noncurrent | (26,203) | (6,644) | (9,636)
Commodity |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Commodity derivative assets | 218,236 | 70,870 | 92,519
Commodity derivative liabilities | (265,214) | (85,383) | (112,095)
Cash collateral | (79,711) | 15,480 | 27,101
Total | (126,689) | 967 | 7,525
Commodity | Commodity derivative assets - current |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Commodity derivative assets | 212,760 | 69,289 | 89,540
Commodity derivative liabilities | (6,653) | (13,450) | (11,251)
Cash collateral | (79,711) | 15,480 | 27,101
Commodity derivative assets - current | 126,396 | 71,319 | 105,390
Commodity | Commodity derivative assets - noncurrent |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Commodity derivative assets | 2,383 | 246 | 5
Commodity derivative liabilities | 0 | 0 | 0
Cash collateral | 0 | 0 | 0
Commodity derivative assets - noncurrent | 2,383 | 246 | 5
Commodity | Commodity derivative liabilities - current |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Commodity derivative assets | 2,897 | 1,286 | 2,933
Commodity derivative liabilities | (232,162) | (65,240) | (91,167)
Cash collateral | 0 | 0 | 0
Commodity derivative liabilities - current | (229,265) | (63,954) | (88,234)
Commodity | Commodity derivative liabilities - noncurrent |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Commodity derivative assets | 196 | 49 | 41
Commodity derivative liabilities | (26,399) | (6,693) | (9,677)
Cash collateral | 0 | 0 | 0
Commodity derivative liabilities - noncurrent | $ (26,203) | $ (6,644) | $ (9,636)

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- Definition Carrying amount as of the balance sheet date of the asset arising from commodity contracts such as futures contracts tied to the movement of a particular commodity, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226016-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41678-113959 + Details
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