Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities:
Net income	$ 13,926	$ 7,004	$ 3,771
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and amortization	983	1,165	1,451
Provision for loan losses	2,448	5,076	4,597
Provision for deferred taxes	3,406	51	819
Stock-based compensation expense	35	51	77
Net other-than-temporary impairment losses	342	5,576	4,238
Net gains on sales of available-for-sale securities	(3,976)	(4,237)	(4,729)
Net gains on sales of loans held for sale	(251)	(140)	(5)
Net loans originated for sale	(14,357)	(8,347)	(3,453)
Proceeds from sales of loans held for sale	13,923	8,154	3,458
Net loss on disposition of premises and equipment		427
Net loss on sale of other real estate owned	5	207	905
Life insurance death benefit			(136)
Increase in cash surrender value of bank owned life insurance	(1,038)	(1,226)	(1,020)
Net amortization of securities	4,012	2,979	793
(Increase) decrease in accrued interest receivable	(2,085)	(101)	121
Decrease in prepaid FDIC insurance assessment	1,698	1,792
(Increase) decrease in other assets	(402)	1,642	(1,732)
Decrease in other liabilities	(585)	(2,426)	(480)
Net cash provided by operating activities	18,084	17,647	8,675
Cash flows from investing activities:
Investment securities available-for-sale: Purchases	(400,644)	(791,156)	(785,044)
Investment securities available-for-sale: Sales	254,821	644,075	665,828
Investment securities available-for-sale: Maturies, calls and principal repayment	48,029	67,960	58,206
Investment securities held-to-maturity: Purchases	(13,118)
Investment securities held-to-maturity: Maturities and principal repayment	7,475
Net redemption (purchases) of restricted investment in bank stock	363	1,076	(442)
Net (increase) decrease in loans	(49,223)	8,348	(45,543)
Purchases of premises and equipment	(316)	(300)	(742)
Purchase of bank-owned life insurance		(6,000)	(2,475)
Redemption of bank-owned life insurance		5,610
Proceeds from life insurance death benefits		15	266
Capital expenditure addition to other real estate owned			(476)
Proceeds from sale of premises and equipment		1	1
Proceeds from sale of other real estate owned	33	1,720	3,520
Net cash used in investing activities	(152,580)	(68,651)	(106,901)
Cash flows from financing activities:
Net increase in deposits	261,083	46,627	154,168
Net (decrease) increase in short-term borrowings	(41,855)	(4,254)	966
Payments on long-term borrowings	(10,000)	(52,144)	(153)
Cash dividends on common stock	(1,955)	(1,800)	(3,166)
Cash dividends on preferred stock	(417)	(500)	(425)
Proceeds from issuance of Series B preferred stock	11,250
Redemption of Series A preferred stock	(10,000)
Warrant repurchased	(245)
Issuance cost of common stock	(5)	(6)	(11)
Issuance cost of Series B preferred stock	(84)
Proceeds from issuance of Series A preferred stock and warrants			10,000
Proceeds from issuance of shares from stock offering or rights offering		12,148	11,000
Issuance cost of common stock		(770)
Tax expense (benefit) from stock based compensation		7	(73)
Issuance cost of restricted stock award		25
Proceeds from exercise of stock options	328		57
Net cash provided by (used in) financing activities	208,100	(667)	172,363
Net increase (decrease) in cash and cash equivalents	73,604	(51,671)	74,137
Cash and cash equivalents at beginning of year	37,497	89,168	15,031
Cash and cash equivalents at end of year	111,101	37,497	89,168
Supplemental disclosures of cash flow information:
Noncash activities: Trade date accounting settlement for investments		8	1,979
Noncash activities: Transfer of loans to other real estate owned	629	1,927
Noncash activities: Net investment in direct financing lease		3,700
Noncash activities: Transfer from investment securities available-for-sale to investment securities held-to-maturity	66,833
Cash paid during year for:
Interest paid on deposits and borrowings	12,226	15,569	23,021
Income taxes	$ 4,484	$ 2,479	$ 344