Debt (Subordinated Notes) (Details) (USD $)	3 Months Ended	12 Months Ended			0 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Oct. 15, 2010 Subordinated Notes	Dec. 31, 2012 Subordinated Notes	Dec. 31, 2011 Subordinated Notes	Dec. 31, 2013 Subordinated Notes	Mar. 26, 2013 Subordinated Notes	Oct. 14, 2011 Subordinated Notes	Oct. 15, 2010 Subordinated Notes Payable in Cash	Oct. 15, 2010 Subordinated Notes Payable In-Kind	Oct. 15, 2010 Common Stock Subordinated Notes
Debt Instrument [Line Items]
Extinguishment of debt					$ 6,000,000
Long-term debt - related party		0	19,916,000		72,900,000	19,916,000		0		25,000,000
Interest rate (as a percent)					10.00%						6.00%	4.00%
Number of securities called by warrants (in shares)													1,500,806
Exercise price of warrants (in dollars per share)													11.00
Redemption amount						10,800,000	35,100,000		31,800,000	25,000,000.0
Redemption amount (as a percent)									112.60%	102.80%
(Loss) gain on repurchase of debt instrument						(1,400,000)	200,000
Irrevocable deposit									36,900,000
Loss on Extinguishment of Debt	$ (5,700,000)	$ (5,662,000)	$ (1,368,000)	$ 189,000