Condensed Consolidating Financial Information (Schedule of Condensed Consolidated Statements Of Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Revenue	$ 118,703	$ 172,866
Operating expenses	122,577	481,948
Crestwood earn-out	0	41,097
Equity in net earnings of subsidiaries	0	0
Operating income (loss)	(3,874)	(267,985)
Fortune Creek accretion	(4,845)	(4,741)
Interest expense and other	(44,092)	40,077
Income tax (expense) benefit	(6,896)	101,238
Net income (loss)	(59,707)	(211,565)
Other comprehensive income (loss)	(11,003)	21,759
Equity in OCI of subsidiaries	(3,451)	12,390
Comprehensive income (loss)	(74,161)	(177,416)
Quicksilver Resources Inc. [Member]
Revenue	88,900	148,590
Operating expenses	97,024	315,612
Crestwood earn-out		41,097
Equity in net earnings of subsidiaries	(4,191)	(110,342)
Operating income (loss)	(12,315)	(236,267)
Fortune Creek accretion	0	0
Interest expense and other	(41,168)	(38,643)
Income tax (expense) benefit	(6,224)	(63,345)
Net income (loss)	(59,707)	(211,565)
Other comprehensive income (loss)	(11,003)	21,759
Equity in OCI of subsidiaries	(3,451)	12,390
Comprehensive income (loss)	(74,161)	(177,416)
Restricted Guarantor Subsidiaries [Member]
Revenue	214	1,130
Operating expenses	30	909
Crestwood earn-out		0
Equity in net earnings of subsidiaries	0	0
Operating income (loss)	184	221
Fortune Creek accretion	0	0
Interest expense and other	0	0
Income tax (expense) benefit	0	77
Net income (loss)	184	144
Other comprehensive income (loss)	0	0
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	184	144
Restricted Non-Guarantor Subsidiaries [Member]
Revenue	29,589	24,049
Operating expenses	28,459	167,460
Crestwood earn-out		0
Equity in net earnings of subsidiaries	(1,908)	(3,611)
Operating income (loss)	(778)	(147,022)
Fortune Creek accretion	0	0
Interest expense and other	(2,925)	(1,434)
Income tax (expense) benefit	(672)	(37,970)
Net income (loss)	(4,375)	(110,486)
Other comprehensive income (loss)	(3,451)	12,390
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	(7,826)	(98,096)
Restricted Subsidiary Eliminations [Member]
Revenue	0	(903)
Operating expenses	0	(903)
Crestwood earn-out		0
Equity in net earnings of subsidiaries	4,191	110,342
Operating income (loss)	4,191	110,342
Fortune Creek accretion	0	0
Interest expense and other	0	0
Income tax (expense) benefit	0	0
Net income (loss)	4,191	110,342
Other comprehensive income (loss)	3,451	(12,390)
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	7,642	97,952
Quicksilver And Restricted Subsidiaries [Member]
Revenue	118,703	172,866
Operating expenses	125,513	483,078
Equity in net earnings of subsidiaries	(1,908)	(3,611)
Operating income (loss)	(8,718)	(272,726)
Fortune Creek accretion	0	0
Interest expense and other	(44,093)	(40,077)
Income tax (expense) benefit	(6,896)	101,238
Net income (loss)	(59,707)	(211,565)
Other comprehensive income (loss)	(11,003)	21,759
Equity in OCI of subsidiaries	(3,451)	12,390
Comprehensive income (loss)	(74,161)	(177,416)
Unrestricted Non-Guarantor Subsidiaries [Member]
Revenue	0	0
Operating expenses	0	0
Crestwood earn-out		0
Equity in net earnings of subsidiaries	2,937	1,130
Operating income (loss)	2,937	1,130
Fortune Creek accretion	0	0
Interest expense and other	0	0
Income tax (expense) benefit	0	0
Net income (loss)	2,937	1,130
Other comprehensive income (loss)	0	0
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	2,937	1,130
Fortune Creek [Member]
Revenue	5,325	2,397
Operating expenses	2,389	1,267
Crestwood earn-out		0
Equity in net earnings of subsidiaries	0	0
Operating income (loss)	2,936	1,130
Fortune Creek accretion	0	0
Interest expense and other	1	0
Income tax (expense) benefit	0	0
Net income (loss)	2,937	1,130
Other comprehensive income (loss)	0	0
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	2,937	1,130
Consolidating Eliminations [Member]
Revenue	(5,325)	(2,397)
Operating expenses	(5,325)	(2,397)
Crestwood earn-out		0
Equity in net earnings of subsidiaries	(1,029)	2,481
Operating income (loss)	(1,029)	2,481
Fortune Creek accretion	(4,845)	4,741
Interest expense and other	0	0
Income tax (expense) benefit	0	0
Net income (loss)	(5,874)	(2,260)
Other comprehensive income (loss)	0	0
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	$ (5,874)	$ (2,260)

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Interest Expense and Other

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