Stock-Based Compensation (Stock-Based Compensation, Non-Vested Stock Options) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Options outstanding as of January 1, 2011	2,512,005
Number of Shares Under Outstanding Options, Forfeited	(22,500)
Number of Shares, Options outstanding as of December 31, 2011	1,281,950	2,512,005
Weighted Average Grant Date Fair Value, Granted		$ 5.50	$ 3.02
Non-Vested Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Options outstanding as of January 1, 2011	349,547
Number of Shares Under Outstanding Options, Forfeited	(22,500)
Number of Shares Under Outstanding Options, Vested	(237,297)
Number of Shares, Options outstanding as of December 31, 2011	89,750
Weighted Average Grant Date Fair Value, Non-vested options as of January 1, 2011	3.34
Weighted Average Grant Date Fair Value, Forfeited	1.32
Weighted Average Grant Date Fair Value, Vested	3.34
Weighted Average Grant Date Fair Value, Non-vested options as of December 31, 2011	3.82