Stock-Based Compensation (Details 5) (Performance Stock Units [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Performance Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance Stock Units Outstanding	0	329
Performance Stock Units Outstanding, Weighted Average Grant Date Fair Value	$ 0.00	$ 1.90
Performance Stock Units Vested	(329)
Performance Stock Units Vested, Weighted Average Grant Date Fair Value	$ 1.90