Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 11,858	$ 11,551
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	889	495
Depreciation, amortization and accretion, net	2,908	3,010
Stock-based compensation expense	264	312
Gains on investment securities, net	(231)	(714)
(Gain) loss on sales of other real property owned, net	(32)	41
Loss on write down of fixed assets	166	85
Gains on sale of loans held for sale, net	(586)	(455)
Increase in accrued interest receivable	(298)	(362)
(Decrease) increase in accrued interest payable	(29)	34
Origination of loans held for sale	(43,106)	(33,125)
Proceeds from sale of loans held for sale	44,304	32,414
Increase in other assets	(2,327)	(1,961)
Decrease in other liabilities	(1,500)	(861)
Net cash provided by operating activities	12,280	10,464
Cash flows from investing activities:
Purchases of certificates of deposit investments	12,930	0
Proceeds from sales of securities available-for-sale	9,453	75,618
Purchases of securities held-to-maturity	10,000	0
Proceeds from maturities of securities available-for-sale	55,057	48,889
Purchases of securities available-for-sale	(168,820)	(55,399)
Purchases of securities held-to-maturity	(10,000)
Net increase in loans	(23,068)	(57,421)
Purchases of premises and equipment	(1,380)	(989)
Proceeds from sales of other real property owned	113	524
Cash received related to acquisition, net of cash and cash equivalents acquired	279,468
Net cash provided by investing activities	137,893	11,222
Cash flows from financing activities:
Net increase in deposits	6,136	11,224
Decrease in repurchase agreements	(17,167)	(31,121)
Proceeds from FHLB advances	5,000	5,000
Repayment of FHLB advances	(5,000)	(10,000)
Repayment of other borrowings	2,000	1,000
Proceeds from other borrowings	2,000	1,000
Proceeds from issuance of common stock	28,165	493
Conversion of preferred stock	0	(5)
Purchase of treasury stock	(1,041)	(1,650)
Dividends paid on preferred stock	(1,001)	(2,024)
Dividends paid on common stock	(1,532)	(1,133)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	13,560	(29,216)
Increase (decrease) in cash and cash equivalents	163,733	(7,530)
Cash and cash equivalents at beginning of period	51,730	65,102
Cash and cash equivalents at end of period	215,463	57,572
Cash paid during the period for:
Interest	2,506	2,374
Income taxes	6,961	6,685
Supplemental disclosures of noncash investing and financing activities
Transfer Of Available For Sale To Held To Maturity	0	53,594
Loans Transferred to Other Real Estate Owned	167	344
Dividends reinvested in common stock	597	576
Net tax benefit related to option and deferred compensation plans	$ 85	$ 101