Earnings per Common Share - Table 3 (Details) (USD $)	0 Months Ended
	Jan. 16, 2014	Dec. 31, 2013	Jan. 31, 2004
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Outstanding, Beginning Balance	2,900,000		10,000,000
Warrants expired	(100,000)
Stock Warrants Issued, Exercise Price		$ 32.50
Class of Warrant or Right, Outstanding, Ending Balance	0		10,000,000
Cashless exercise [Member]
Class of Warrant or Right [Line Items]
Warrants exercised	(1,800,000)
Stock Warrants Issued, Exercise Price	$ 32.16
Cash exercise [Member]
Class of Warrant or Right [Line Items]
Warrants exercised	(1,000,000)
Stock Warrants Issued, Exercise Price	$ 32.16
Expired [Member]
Class of Warrant or Right [Line Items]
Stock Warrants Issued, Exercise Price	$ 32.16