Quicksilver Stockholders' Equity (Stock Option Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Equity Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 200	$ 1,100
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at beginning of period, Shares	6,590,773
Granted, Shares	0	0
Expired, Shares	(201,586)
Outstanding at end of period, Shares	6,389,187
Outstanding at beginning of period, Wtd Avg Exercise Price	$ 7.83
Exercisable at end of period, Shares	5,284,867
Expired, Wtd Avg Exercise Price	$ 10.92
Outstanding at end of period, Wtd Avg Exercise Price	7.73
Exercisable at end of period, Wtd Avg Exercise Price	$ 9.00
Outstanding at end of period, Wtd Avg Remaining Contractual Life, Years	4 years 175 days
Exercisable at end of period, Wtd Avg Remaining Contractual Life, Years	3 years 287 days
Outstanding at end of period, Aggregate Intrinsic Value	$ 0
Exercisable at end of period, Aggregate Intrinsic Value	$ 0