Parent Company Condensed Financial Information - Condensed Results of Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Equity in earnings of subsidiary bank:
NET INCOME (LOSS)	$ 4,657	$ 4,711	$ 4,809	$ 4,649	$ (23,899)	$ 757	$ 10,997	$ 3,471	$ 18,826	$ (8,674)	$ (14,395)
Preferred stock dividend and accretion of preferred stock discount	421	421	590	445	1,419	838	833	821	1,877	3,911	2,987
Net income (loss) to common shareholders	4,236	4,290	4,219	4,204	(25,318)	(81)	10,164	2,650	16,949	(12,585)	(17,382)
Parent Company
Equity in earnings of subsidiary bank:
Undistributed earnings (loss)									19,840	(7,684)	(13,511)
Income (expenses), net									(1,014)	(990)	(884)
NET INCOME (LOSS)									18,826	(8,674)	(14,395)
Preferred stock dividend and accretion of preferred stock discount									1,877	3,911	2,987
Net income (loss) to common shareholders									$ 16,949	$ (12,585)	$ (17,382)