Condensed Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 7,193	$ 6,869
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	732	1,031
Depreciation, amortization and accretion, net	2,475	2,751
Stock-based compensation expense	168	111
Gains on investment securities, net	(835)	(823)
Losses on sales of other real property owned, net	59	156
Loss on write down of fixed assets	24	11
Gains on sale of loans held for sale, net	(571)	(527)
Decrease in accrued interest receivable	789	983
Decrease in accrued interest payable	(70)	(88)
Origination of loans held for sale	(41,351)	(37,885)
Proceeds from sale of loans held for sale	40,066	37,973
(Increase) decrease in other assets	2,589	(459)
Decrease in other liabilities	(975)	(986)
Net cash provided by operating activities	10,293	9,117
Cash flows from investing activities:
Proceeds from maturities of certificates of deposit investments	4,673	6,416
Purchases of certificates of deposit investments	0	(4,922)
Proceeds from sales of securities available-for-sale	29,112	27,622
Proceeds from maturities of securities available-for-sale	103,833	147,636
Purchases of securities available-for-sale	(176,694)	(205,549)
Net (increase) decrease in loans	(3,934)	13,892
Purchases of premises and equipment	(679)	(893)
Proceeds from sales of other real property owned	790	2,200
Net cash used in investing activities	(42,899)	(13,598)
Cash flows from financing activities:
Net increase (decrease) in deposits	(2,931)	63,066
Decrease in repurchase agreements	(18,790)	(14,350)
Proceeds from short-term FHLB advances	10,000	0
Repayment of short-term FHLB advances	(2,500)	0
Repayment of long-term FHLB advances		(10,000)
Repayment of other borrowings	0	(8,250)
Proceeds from issuance of common stock	529	545
Proceeds from issuance of preferred stock	0	8,250
Purchase of treasury stock	(1,593)	(911)
Dividends paid on preferred stock	(2,026)	(1,766)
Dividends paid on common stock	(930)	(1,894)
Net cash (used in) provided by financing activities	(18,241)	34,690
Increase (decrease) in cash and cash equivalents	(50,847)	30,209
Cash and cash equivalents at beginning of period	82,712	73,102
Cash and cash equivalents at end of period	31,865	103,311
Cash paid during the period for:
Interest	1,933	3,683
Income taxes	5,407	6,378
Supplemental disclosures of noncash investing and financing activities
Loans transferred to other real estate owned	665	545
Dividends reinvested in common stock	0	743
Net tax benefit related to option and deferred compensation plans	$ 101	$ 79