Summary of Significant Accounting Policies (Net Income Per Share) (Details)	3 Months Ended		12 Months Ended
	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net Income (Loss) Per Share [Line Items]
Basic Weighted Average Shares Outstanding	69,161,000	69,161,000	70,374,000	69,283,000	69,161,000
Weighted Average Number of Shares Outstanding, Diluted	69,161,000	69,161,000	72,236,000	70,731,000	69,161,000
Stock Options [Member]
Net Income (Loss) Per Share [Line Items]
Incremental Common Shares Attributable to Share-based Payment Arrangements			783,000	510,000	0
Restricted Stock Units (RSUs) [Member]
Net Income (Loss) Per Share [Line Items]
Incremental Common Shares Attributable to Share-based Payment Arrangements			1,079,000	938,000	0