Capital Stock and Dividend Restrictions (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Preferred Stock
Nonvoting, noncumulative preferred stock, shares outstanding	0	5,000
Common Stock, Recapitalization
Common stock, shares authorized	200,000,000
Series A Preferred Stock
Preferred Stock
Nonvoting, noncumulative preferred stock, shares outstanding	5,000,000
Preferred stock, dividend rate, percentage	6.75%
Preferred stock, value, issued	$ 50,000,000
Preferred stock, dividend rate, per-dollar-amount	$ 675
Preferred stock, aggregate redemption price	$ 50,150
Preferred stock, redemption price per share	$ 10,000
Class B Common Stock
Common Stock, Recapitalization
Common stock, shares authorized	100,000,000
Common Stock, Voting Rights	5
Common Stock
Common stock, shares, outstanding	24,287,045	25,654,954
Class A Common Stock
Common Stock, Recapitalization
Common stock, shares authorized	100,000,000
Common Stock, Voting Rights	1
Common Stock
Common stock, shares, outstanding	19,868,018	17,635,369