Condensed Consolidating Financial Information (Schedule of Condensed Consolidated Statements Of Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenue	$ 91,786	$ 118,703
Operating expenses	102,840	122,577
Equity in net earnings of subsidiaries	0	0
Operating income (loss)	(11,054)	(3,874)
Fortune Creek accretion	(4,401)	(4,845)
Interest expense and other	40,727	44,092
Income tax (expense) benefit	(2,651)	(6,896)
Net income (loss)	(58,833)	(59,707)
Other comprehensive income (loss)	(12,105)	(14,454)
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	(70,938)	(74,161)
Quicksilver Resources Inc. [Member]
Revenue	62,910	88,900
Operating expenses	75,401	97,024
Equity in net earnings of subsidiaries	(5,689)	(4,191)
Operating income (loss)	(18,180)	(12,315)
Fortune Creek accretion	0	0
Interest expense and other	38,011	41,168
Income tax (expense) benefit	(2,642)	(6,224)
Net income (loss)	(58,833)	(59,707)
Other comprehensive income (loss)	(8,798)	(11,003)
Equity in OCI of subsidiaries	(3,307)	(3,451)
Comprehensive income (loss)	(70,938)	(74,161)
Restricted Guarantor Subsidiaries [Member]
Revenue	374	214
Operating expenses	291	30
Equity in net earnings of subsidiaries	0	0
Operating income (loss)	83	184
Fortune Creek accretion	0	0
Interest expense and other	0	0
Income tax (expense) benefit	(29)	0
Net income (loss)	54	184
Other comprehensive income (loss)	0	0
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	54	184
Restricted Non-Guarantor Subsidiaries [Member]
Revenue	28,502	29,589
Operating expenses	30,265	28,459
Equity in net earnings of subsidiaries	(1,282)	(1,908)
Operating income (loss)	(3,045)	(778)
Fortune Creek accretion	0	0
Interest expense and other	2,718	2,925
Income tax (expense) benefit	20	(672)
Net income (loss)	(5,743)	(4,375)
Other comprehensive income (loss)	(3,307)	(3,451)
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	(9,050)	(7,826)
Restricted Subsidiary Eliminations [Member]
Revenue	0	0
Operating expenses	0	0
Equity in net earnings of subsidiaries	5,689	4,191
Operating income (loss)	5,689	4,191
Fortune Creek accretion	0	0
Interest expense and other	0	0
Income tax (expense) benefit	0	0
Net income (loss)	5,689	4,191
Other comprehensive income (loss)	0	0
Equity in OCI of subsidiaries	3,307	3,451
Comprehensive income (loss)	8,996	7,642
Quicksilver And Restricted Subsidiaries [Member]
Revenue	91,786	118,703
Operating expenses	105,957	125,513
Equity in net earnings of subsidiaries	(1,282)	(1,908)
Operating income (loss)	(15,453)	(8,718)
Fortune Creek accretion	0	0
Interest expense and other	40,729	44,093
Income tax (expense) benefit	(2,651)	(6,896)
Net income (loss)	(58,833)	(59,707)
Other comprehensive income (loss)	(12,105)	(14,454)
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	(70,938)	(74,161)
Unrestricted Non-Guarantor Subsidiaries [Member]
Revenue	0	0
Operating expenses	0	0
Equity in net earnings of subsidiaries	3,119	2,937
Operating income (loss)	3,119	2,937
Fortune Creek accretion	0	0
Interest expense and other	0	0
Income tax (expense) benefit	0	0
Net income (loss)	3,119	2,937
Other comprehensive income (loss)	0	0
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	3,119	2,937
Fortune Creek [Member]
Revenue	4,942	5,325
Operating expenses	1,825	2,389
Equity in net earnings of subsidiaries	0	0
Operating income (loss)	3,117	2,936
Fortune Creek accretion	0	0
Interest expense and other	2	1
Income tax (expense) benefit	0	0
Net income (loss)	3,119	2,937
Other comprehensive income (loss)	0	0
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	3,119	2,937
Consolidating Eliminations [Member]
Revenue	(4,942)	(5,325)
Operating expenses	(4,942)	(5,325)
Equity in net earnings of subsidiaries	(1,837)	(1,029)
Operating income (loss)	(1,837)	(1,029)
Fortune Creek accretion	(4,401)	(4,845)
Interest expense and other	0	0
Income tax (expense) benefit	0	0
Net income (loss)	(6,238)	(5,874)
Other comprehensive income (loss)	0	0
Equity in OCI of subsidiaries	0	0
Comprehensive income (loss)	$ (6,238)	$ (5,874)