Stock-Based Compensation (Details) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Outstanding at January 1, 2013, Stock Options	2,292
Granted , Stock Options	156
Exercised and vested, Stock Options	0
Expired and forfeited, Stock Options	(92)
Adjustment pursuant to special dividend, Stock Options	0
Outstanding at June 30, 2013, Stock Options	2,356
Options vested and expected to vest at June 30, 2013, Stock Options	2,313
Options exercisable at June 30, 2013, Stock Options	2,086
Outstanding at January 1, 2013, Nonvested Shares	868
Granted, Nonvested Shares	0
Exercised and vested, Nonvested Shares	(83)
Expired and Forfeited, Nonvested Shares	(363)
Adjustment pursuant to special dividend, Nonvested Shares	438
Outstanding at June 30, 2013, Nonvested Shares	860