Quicksilver Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2013

Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]

Schedule Of Common Shares And Treasury Share Activity [Table Text Block]

	Common     Shares Issued	Treasury     Shares Held
Balance at January 1, 2011	175,524,816	5,050,450
Stock options exercised	209,221	—
Restricted stock activity	1,246,446	329,252
Balance at December 31, 2011	176,980,483	5,379,702
Stock options exercised	1,572	—
Restricted stock activity	2,033,063	541,400
Balance at December 31, 2012	179,015,118	5,921,102
Stock options exercised	—	—
Restricted stock activity	4,979,761	777,538
Balance at December 31, 2013	183,994,879	6,698,640

Assumptions For The Black-Scholes Option Pricing Model For Stock Options Issued

	2013	2012	2011
Weighted average grant date fair value	$1.05	$4.21	$9.16
Weighted average risk-free interest rate	1.31%	1.14%	2.38%
Expected life	4.9 years	6.0 years	6.0 years
Weighted average volatility	68.97%	68.20%	66.77%
Expected dividends	—	—	—

Stock Option Activity

	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
					(In years)	(In thousands)
Outstanding at January 1, 2013	4,979,980		$	10.23
Granted	2,037,467		1.95
Exercised	—		—
Canceled	(85,004	)	6.63
Expired	(160,865	)	8.86
Outstanding at December 31, 2013	6,771,578		$	7.82	6.4	$	—
Exercisable at December 31, 2013	4,576,677		$	9.30	5.3	$	—

Restricted Stock And Stock Unit Activity

	Payable in shares				Payable in cash
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2013	3,099,135		$	8.48	678,217		$	7.71
Granted	6,511,441		2.76		1,483,306		2.81
Vested	(2,524,332	)	6.69		(284,406	)	8.51
Canceled	(1,418,154	)	3.68		(304,776	)	3.86
Outstanding at December 31, 2013	5,668,090		$	3.90	1,572,341		$	3.69