Summary of Significant Accounting Policies (Schedule of Stock by Class) (Details)	6 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012
Class A [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock, Shares, Outstanding	57,813,267	60,591,030	58,434,704
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	621,437	(96,916)	406,326
Stock Issued During Period, Shares, Conversion of Convertible Securities		300,000	1,750,000
Common Stock, Shares, Outstanding	58,434,704	60,794,114	60,591,030
Class B [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock, Shares, Outstanding	13,534,408	11,784,408	13,534,408
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	0	0	0
Stock Issued During Period, Shares, Conversion of Convertible Securities		(300,000)	(1,750,000)
Common Stock, Shares, Outstanding	13,534,408	11,484,408	11,784,408