Stock Options (Activity in Common Shares Subject To Options) (Details) (USD $)	0 Months Ended	12 Months Ended
	Oct. 25, 2011	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Outstanding beginning balance		5,547,500	1,503,134
Shares, Granted	5,000,000		5,000,000
Shares, Exercised			(945,634)
Shares, Forfeited		(175,000)	(10,000)
Shares, Outstanding ending balance		5,372,500	5,547,500
Options exercisable at end of year		5,372,500	5,541,500
Weighted-Average Exercise Price, Outstanding beginning balance		$ 13.76	$ 2.01
Weighted-Average Exercise Price, Granted			$ 15.0
Weighted-Average Exercise Price, Exercised			$ 1.77
Weighted-Average Exercise Price, Forfeited		$ 2.12	$ 2.19
Weighted-Average Exercise Price, Outstanding ending balance	$ 15.0	$ 14.21	$ 13.76
Weighted-Average Exercise Price, Exercisable		$ 14.21	$ 13.77