Equity Preferred Stock (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Class of Stock [Line Items]
Preferred Stock, Value, Issued	$ 47,753	$ 58,089
Depositary Shares, Issued	2,000,000
Preferred Stock, Par Value Per Share	$ 1.00	$ 1.00
Preferred Stock, Shares Authorized	2,000,000	2,000,000
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Value, Issued	0	58,089
Preferred Stock, Par Value Per Share		$ 1.00
Preferred Stock, Shares Issued	0	401
Preferred Stock, Shares Outstanding	0	401
Preferred Stock, Liquidation Preference Per Share	$ 0	$ 100,000
Convertible Preferred Stock, Shares Issued upon Conversion	7,300,000
Convertible Preferred Stock, Terms of Conversion	at $5.52 per share, and participated in dividends payable on common stock on an as-converted basis
Stock Repurchased and Retired During Period, Shares	400.81221
Series D Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Value, Issued	$ 47,753	$ 0
Preferred Stock, Shares Issued	50,000	0
Preferred Stock, Shares Outstanding	50,000	0
Preferred Stock, Liquidation Preference Per Share	$ 1,000	$ 0
Preferred Stock, Contract Terms	Each Depositary Share represents a 1/40th interest in a share
Preferred Stock, Dividend Rate, Percentage	6.95%