Income Taxes - Valuation Allowance (Details) (USD $)	0 Months Ended	3 Months Ended			6 Months Ended		9 Months Ended			12 Months Ended			24 Months Ended	36 Months Ended		0 Months Ended
	Oct. 23, 2012	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2010		Sep. 30, 2013		Sep. 30, 2012	Sep. 30, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2013	Sep. 30, 2013	Jun. 30, 2012	Sep. 12, 2012 Preferred Stock [Member]
Income Tax Disclosure [Abstract]
Valuation Allowance, Cumulative Tax Loss Position		$ (13,400,000)					$ (13,400,000)			$ (13,400,000)				$ (13,400,000)
Income (loss) before income taxes		7,327,000		811,000	37,000	[1]	21,991,000	[2]	5,897,000		(32,635,000)	(7,701,000)	37,000,000	(18,308,000)
Goodwill impairment					0	[1]	0	[2]			0	4,944,000		4,944,000
Tax loss position					37,000	[1]	21,991,000	[2]			(32,635,000)	(2,757,000)		(13,364,000)
Management projecting full utilization of tax benefits within							3 years
Valuation Allowance [Line Items]
PROVISION FOR LOAN LOSSES		40,000		4,251,000			332,000		8,820,000
Proceeds from Issuance of Convertible Preferred Stock	45,000,000
Charge-offs		2,815,000		6,237,000			6,582,000		16,524,000
Conversion of Stock, Amount Converted																21,000,000
Tier One Leverage Capital to Average Assets		11.10%					11.10%			11.10%				11.10%
Tier One Risk Based Capital to Risk Weighted Assets		13.20%					13.20%			13.20%				13.20%
Other Extraordinary Gain (Loss)			49,000,000
Capital to Risk Weighted Assets		14.40%					14.40%			14.40%				14.40%
Loans and Leases Receivable, Increase (Decrease) in Nonperforming Loans										$ 39,200,000
Nonperforming Assets to Total Assets		1.15%	4.13%				1.15%			1.15%	4.13%			1.15%
Allowance For Loan Losses to Nonperforming Loans		117.57%					117.57%			117.57%				117.57%	47.43%

[1] 4th quarter of 2010

[2] First nine months of 2013