Equity Incentive Awards (Details 5) (Performance Units, USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Performance Units
Share-based Compensation Arrangement by Share-based Payment Award
Performance Stock Units Outstanding	0	329
Performance Stock Units, Nonvested, Weighted Average Grant Date Fair Value	$ 0.00	$ 1.90
Performance Stock Units Vested	(329)
Performance Stock Units, Vested in Period, Weighted Average Grant Date Fair Value	$ 1.90