Quicksilver Stockholders' Equity (Stock Option Activity) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Equity Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 500,000	$ 1,000,000
Outstanding at end of period, Shares	6,300,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at beginning of period, Shares	6,771,578
Expired, Shares	(20,719)
Outstanding at end of period, Shares	6,750,859
Outstanding at beginning of period, Wtd Avg Exercise Price	$ 7.82
Exercisable at end of period, Shares	5,323,678
Expired, Wtd Avg Exercise Price	$ 9.85
Outstanding at end of period, Wtd Avg Exercise Price	$ 7.81
Exercisable at end of period, Wtd Avg Exercise Price	$ 9.19
Outstanding at end of period, Wtd Avg Remaining Contractual Life, Years	5 years 331 days
Exercisable at end of period, Wtd Avg Remaining Contractual Life, Years	5 years 28 days
Outstanding at end of period, Aggregate Intrinsic Value	1,409,000
Exercisable at end of period, Aggregate Intrinsic Value	$ 282,000