Consolidated Statements Of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating activities:
Net income	$ 8,184	$ 7,961
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,128	1,119
Provision for loan losses	6,300	5,585
Provision for indemnifications	375	455
Provision for other real estate owned losses	308	350
Share-based compensation	289	242
Accretion of discounts and amortization of premiums on securities, net	335	366
Net realized gain on calls of securities	(6)	(8)
Realized (gain) losses on sales of other real estate owned	(115)	13
Proceeds from sales of loans held for sale	403,617	370,848
Origination of loans held for sale	(390,202)	(379,957)
Change in other assets and liabilities:
Accrued interest receivable	128	(118)
Other assets	(1,736)	(440)
Accrued interest payable	(51)	(137)
Other liabilities	(126)	(2,423)
Net cash provided by operating activities	28,428	3,856
Investing activities:
Proceeds from maturities, calls and sales of securities available for sale	15,357	21,074
Purchases of securities available for sale	(16,248)	(16,682)
Redemption of Federal Home Loan Bank stock	219	18
Net increase in customer loans	(4,644)	(23,660)
Other real estate owned improvements		(205)
Proceeds from sales of other real estate owned	2,188	1,103
Purchases of corporate premises and equipment, net	(1,897)	(660)
Net cash used in investing activities	(5,025)	(19,012)
Financing activities:
Net increase in demand, interest-bearing demand and savings deposits	13,292	26,717
Net decrease in time deposits	(5,679)	(15,686)
Net increase in borrowings	4,392	14,839
Proceeds from exercise of stock options	663	501
Issuance of common stock	42	81
Redemption of preferred stock		(10,000)
Cash dividends	(1,900)	(1,871)
Net cash provided by financing activities	10,810	14,581
Net increase (decrease) in cash and cash equivalents	34,213	(575)
Cash and cash equivalents at beginning of period	25,620	11,507
Cash and cash equivalents at end of period	59,833	10,932
Supplemental disclosure
Interest paid	4,281	5,572
Income taxes paid	3,034	4,918
Supplemental disclosure of noncash investing and financing activities
Unrealized (losses) gains on securities available for sale	(3,764)	905
Loans transferred to other real estate owned	(70)	(438)
Pension adjustment	27	18
Unrealized gain (loss) on cash flow hedging instrument	116	(28)
Supplemental Disclosures of noncash investing and financing activities (Member)
Supplemental disclosure of noncash investing and financing activities
Unrealized (losses) gains on securities available for sale	$ (5,791)	$ 1,393