STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2008	$ 980	$ 674	$ 15,440	$ 10	$ (255)	$ 0	$ 16,849
Balance (in shares) at Dec. 31, 2008		673,694
Comprehensive income (loss):
Net income (loss)	0	0	0	(13,235)	0	0	(13,235)
Change in net unrealized gains (losses) on investment securities available for sale, net of taxes	0	0	0	0	222	0	222
Total comprehensive income (loss)	0	0	0	0	0	0	(13,013)
Dividends paid on preferred stock Series A	0	0	0	(4)	0	0	(4)
Preferred stock Series A exchanged for common stock	(980)	59	921	0	0	0	0
Preferred stock Series A exchanged for common stock (in shares)		59,388
Subordinated debt converted to common stock	0	71	929	0	0	0	1,000
Subordinated debt converted to common stock (in shares)		71,073
Common stock issued, net of costs	0	1,037	15,634	0	0	0	16,671
Common stock issued, net of costs (in shares)		1,036,748
Dividends preferred stock	0	0	0	(4)	0	0	(4)
Balance at Dec. 31, 2009	0	1,841	32,924	(13,229)	(33)		21,503
Balance (in shares) at Dec. 31, 2009		1,840,903
Comprehensive income (loss):
Net income (loss)	0	0	0	23,735	0	0	23,735
Change in net unrealized gains (losses) on investment securities available for sale, net of taxes	0	0	0	0	(1,863)	0	(1,863)
Total comprehensive income (loss)	0	0	0	0	0	0	21,872
Common stock issued, net of costs	0	6,324	52,700	0	0	0	59,024
Common stock issued, net of costs (in shares)		6,323,779
Shares issued under the management stock purchase plan	0	233	467	0	0	0	700
Shares issued under the management stock purchase plan (in shares)		233,333
Stock-based compensation expense	0	0	2,041	0	0	0	2,041
Balance at Dec. 31, 2010	0	8,398	88,132	10,506	(1,896)	0	105,140
Balance (in shares) at Dec. 31, 2010		8,398,015					8,398,015
Comprehensive income (loss):
Net income (loss)	0	0	0	4,034	0	0	4,034
Change in net unrealized gains (losses) on investment securities available for sale, net of taxes	0	0	0	0	1,651	0	1,651
Total comprehensive income (loss)	0	0	0	0	0	0	5,685
Dividends paid on preferred stock Series A	0	0	0	(44)	0	0	(44)
Common stock issued, net of costs	0	2,374	26,152	0	0	0	28,526
Common stock issued, net of costs (in shares)		2,373,601
Shares issued in the acquisition of Berkshire Bancorp, Inc.	3,037	623	7,614	0	0	0	11,274
Shares issued in the acquisition of Berkshire Bancorp, Inc. (in shares)	3,037	623,686
Repurchase of preferred stock and warrants	(3,037)	0	0	0	0	0	(3,037)
Repurchase of preferred stock and warrants (in shares)	(3,037)
Repurchase of 47,619 shares at a cost of $10.50 per share	0	(47,619)	0	0	0	(500)	(500)
Dividends preferred stock	0	0	0	(44)	0	0	(44)
Stock-based compensation expense	0	0	704	0	0	0	704
Balance at Dec. 31, 2011	$ 0	$ 11,395	$ 122,602	$ 14,496	$ (245)	$ (500)	$ 147,748
Balance (in shares) at Dec. 31, 2011		11,347,683					11,347,683