CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data	Total	PREFERRED STOCK [Member]	COMMON STOCK [Member]	CAPITAL SURPLUS [Member]	RETAINED EARNINGS [Member]	ACCUMULATED OTHER COMPREHENSIVE INCOME, NET OF TAX [Member]	ACCUMULATED OTHER COMPREHENSIVE INCOME, NET OF TAX [Member] Unrealized gains on securities [Member]	ACCUMULATED OTHER COMPREHENSIVE INCOME, NET OF TAX [Member] Interest rate floor [Member]	ACCUMULATED OTHER COMPREHENSIVE INCOME, NET OF TAX [Member] Interest rate swap [Member]	TREASURY STOCK [Member]
Balance at beginning of period at Dec. 31, 2009		$ 49,552	$ 15,379	$ 89,389	$ 44,216		$ 3,392	$ 1,109	$ 2,739	$ (10,812)
Balance at beginning of period, Shares at Dec. 31, 2009		52,000	15,379,131							1,334,224
Net income (loss)	(3,989)				(3,989)
Change during period	(1,036)						(1,579)	(550)	1,093
Issuance of common stock			9,473	75,797
Purchase of treasury shares										(19)
Dividends on preferred shares					(2,636)
Issuance of common stock, Shares			9,473,125
Purchase of treasury shares, Shares										1,950
Accretion of fair value warrant					(569)
Issuance of restricted shares			121	(121)
Stock-based compensation				724
Accretion of fair value of warrant		569
Cash dividends on common shares					(22)
Issuance of restricted shares, Shares			121,300
Accretion of fair value of warrant, Shares
Cancellation of restricted shares			(8)	9
Cancellation of restricted shares, Shares			(8,500)
Proceeds from exercise of stock options			18	132
Proceeds from exercise of stock options, Shares			17,855
Balance at end of period at Dec. 31, 2010	273,407	50,121	24,983	165,930	37,000	6,204	1,813	559	3,832	(10,831)
Balance at end of period, Shares at Dec. 31, 2010		52,000	24,982,911							1,336,174
Net income (loss)	21,093				21,093
Change during period	1,092						4,627	(559)	(2,976)
Dividends on preferred shares					(2,635)
Accretion of fair value warrant					(606)
Issuance of restricted shares			135	(135)
Stock-based compensation				785
Accretion of fair value of warrant		606
Issuance of restricted shares, Shares			135,075
Accretion of fair value of warrant, Shares
Cancellation of restricted shares			(34)	34
Cancellation of restricted shares, Shares			(34,150)
Proceeds from exercise of stock options			3	25
Proceeds from exercise of stock options, Shares			3,632
Balance at end of period at Dec. 31, 2011	293,770	50,727	25,087	166,639	54,852	7,296	6,440		856	(10,831)
Balance at end of period, Shares at Dec. 31, 2011		52,000	25,087,468							1,336,174
Net income (loss)	14,435				14,435
Change during period	(689)						190		(879)
Repurchase of preferred stock		(24,000)
Purchase of treasury shares										(235)
Dividends on preferred shares					(2,642)
Repurchase of warrant				(2,670)
Repurchase of preferred stock, Shares		(24,000)
Purchase of treasury shares, Shares										18,876
Accretion of fair value warrant					(935)
Issuance of restricted shares			67	(67)
Stock-based compensation				1,044
Accretion of fair value of warrant		935
Issuance of restricted shares, Shares			67,450
Accretion of fair value of warrant, Shares
Cancellation of restricted shares				1
Cancellation of restricted shares, Shares			(500)
Proceeds from exercise of stock options			1	2
Proceeds from exercise of stock options, Shares			400
Balance at end of period at Dec. 31, 2012	$ 279,017	$ 27,662	$ 25,155	$ 164,949	$ 65,710	$ 6,607	$ 6,630		$ (23)	$ (11,066)
Balance at end of period, Shares at Dec. 31, 2012		28,000	25,154,818							1,355,050