Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income	$ 9,171	$ 8,626
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	800	1,250
Depreciation and (accretion)	(1,390)	(1,294)
Net amortization on securities	1,692	1,464
Increase in cash surrender value of bank owned life insurance	(560)	(371)
Amortization of intangible assets	279	676
Share based compensation expense	610	506
Net securities gains		(66)
Increase in accrued interest receivable	(26)	(712)
Small Business Administration ("SBA") loans originated for sale	(5,644)	(1,170)
Proceeds from sale of the guaranteed portion of SBA loans	6,303	1,310
Gain on sale of the guaranteed portion of SBA loans	(543)	(114)
(Increase) decrease in other assets	(836)	1,360
Decrease in accrued expenses and other liabilities	(336)	(2,126)
Net cash provided by operating activities	9,520	9,339
Cash flows from investing activities:
Purchases of securities available for sale	(30,421)	(145,053)
Purchases of securities, restricted	(246,765)	(23,445)
Purchases of securities held to maturity	(1,012)	(21,329)
Proceeds from sales of securities available for sale		28,705
Redemption of securities, restricted	246,259	23,368
Maturities, calls and principal payments of securities available for sale	29,945	46,817
Maturities, calls and principal payments of securities held to maturity	8,975	11,185
Net increase in loans	(55,171)	(76,145)
Proceeds from sales of other real estate owned, net		278
Purchase of premises and equipment	(809)	(960)
Net cash used in investing activities	(48,999)	(156,579)
Cash flows from financing activities:
Net increase in deposits	56,874	97,110
Net (decrease) increase in federal funds purchased	(50,000)	15,000
Net (decrease) increase in Federal Home Loan Bank advances	(5,410)	1,793
Repayment of junior subordinated debentures	(352)
Net increase in repurchase agreements	33	74
Net proceeds from issuance of common stock	222	221
Repurchase of surrendered stock from vesting of restricted stock awards	(221)	(291)
Cash dividends paid	(4,541)	(4,017)
Net cash (used in) provided by financing activities	(3,395)	109,890
Net decrease in cash and cash equivalents	(42,874)	(37,350)
Cash and cash equivalents at beginning of period	113,838	104,558
Cash and cash equivalents at end of period	70,964	67,208
Cash paid for:
Interest	6,008	5,251
Income tax		1,970
Noncash investing and financing activities:
Securities which settled in the subsequent period	3,080	$ 5,400
Conversion of junior subordinated debentures	$ 15,350