Shareholders' Equity (Details) (USD $)	0 Months Ended	12 Months Ended
	Dec. 05, 2008	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Common stock reserved for issuance		800,000
Net proceeds from issuance of common stock		$ 229,000	$ 127,000	$ 64,000
Preferred stock share issued	70,000
Preferred stock par value	$ 1,000
Preferred stock liquidation amount per share	$ 1,000
Preferred stock liquidation amount	70,000,000
Preferred stock dividend percentage	5.00%
Preferred stock dividend percentage, thereafter	9.00%
Preferred stock redemption restriction period		5 years
Warrant issued	703,753
Warrant exercise price	$ 14.92
Warrant expiration period	10 years
Preferred stock allocated amount	3,700,000
Preferred Stock, Accretion of Redemption Discount		0	1,500,000	700,000
Amount of Treasury Department Shares Repurchased		70,000
Accelerated accretion of discount from repurchase of Treasury Department Shares		1,200,000
Series B Preferred Stock [Member]
Preferred stock allocated amount	$ 66,300,000
Employee Stock Purchase Plan [Member]
Common stock reserved for issuance		150,000
Common stock issued, shares		56,136
Treasury shares reissued		52,500
2008 Stock Based Award Plan [Member]
Common stock reserved for issuance		800,000
Treasury shares reissued		25,725