CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating Activities
Net income	$ 18,359	$ 19,250
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	2,034	2,708
Depreciation and amortization	2,300	1,849
Accretion (Amortization) of Discounts and Premiums, Investments	1,745	1,494
Stock-based compensation expense	340	355
Decrease in interest receivable	537	58
Amortization of intangible assets	863	433
Net investment securities gains and other-than-temporary impairment of securities	(785)	(1,059)
Increase in other real estate owned valuation allowance and loss on disposition	97	465
Originations of mortgage loans held for sale	(29,515)	(12,775)
Proceeds from the sale of mortgage loans	28,886	19,104
Gain on sale of mortgage loans	(684)	(268)
(Increase) decrease in other assets	(633)	720
(Decrease) increase in other liabilities	(2,539)	474
Net cash provided by operating activities	21,005	32,808
Investing Activities
Proceeds from sales and maturities of securities available-for-sale	121,793	154,708
Purchase of securities available-for-sale	(138,300)	(267,533)
Net increase in loans	(29,168)	(30,544)
Proceeds from sale of Federal Home Loan Bank stock	1,310	928
Proceeds from the sale of other real estate owned	530	1,665
Proceeds from previously charged-off loans	436	530
Cash settlement in branch acquisition	(3,278)	0
Purchase of premises and equipment	(1,203)	(2,662)
Net cash used by investing activities	(47,880)	(142,908)
Financing Activities
Net increase in deposits	44,210	97,952
Repayments on Federal Home Loan Bank long-term advances	(271)	(10,335)
Net change in short-term Federal Home Loan Bank borrowings	40,000	45,000
Net decrease in other borrowed funds	(52,479)	(4,815)
Common stock repurchase	0	(2,097)
Exercise of stock options and issuance of restricted stock, net of repurchase for tax withholdings and tax benefit	258	(241)
Cash dividends paid on common stock	(6,047)	(5,756)
Net cash provided by financing activities	25,671	119,708
Net (decrease) increase in cash and cash equivalents	(1,204)	9,608
Cash and cash equivalents at beginning of year	58,290	39,325
Cash and cash equivalents at end of period	57,086	48,933
Supplemental information
Interest paid	9,952	13,402
Income taxes paid	8,750	4,560
Securities purchased but unsettled	14,363	20,231
Transfer from loans and premises and equipment to other real estate owned	$ 1,116	$ 1,044