Earnings Per Common Share Schedule of Increase in Weighted Average Shares (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Tangible Equity Units [Member]
Schedule of Increase in Weighted Average Shares [Line Items]
Weighted average shares issuable upon settlement of the prepaid stock purchase contract component of the TEUs	2,841,650	850,773
Class A common stock [Member]
Schedule of Increase in Weighted Average Shares [Line Items]
Weighted average shares impact resulting from offerings during the period	3,791,004	1,066,867
Series A-1 Preferred Stock [Member]
Schedule of Increase in Weighted Average Shares [Line Items]
Weighted average shares impact resulting from conversion of preferred stock	5,262,845	0