Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net Income	$ 8,626	$ 4,763
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	1,250	800
Depreciation and (accretion)	(1,294)	(645)
Net amortization on securities	1,464	1,038
Increase in cash surrender value of bank owned life insurance	(371)	(230)
Amortization of intangible assets	676	48
Share based compensation expense	506	350
Excess tax benefit from share based compensation	97
Net securities (gains) losses	(66)	10
(Increase) decrease in accrued interest receivable	(712)	36
Small Business Administration ("SBA") loans originated for sale	(1,170)
Proceeds from sale of the guaranteed portion of SBA loans	1,310
Gain on sale of the guaranteed portion of SBA loans	(114)
Decrease (increase) decrease in other assets	1,360	(502)
Decrease in accrued expenses and other liabilities	(2,223)	(996)
Net cash provided by operating activities	9,339	4,672
Cash flows from investing activities:
Purchases of securities available for sale	(145,053)	(37,811)
Purchases of securities, restricted	(23,445)	(34,875)
Purchases of securities held to maturity	(21,329)
Proceeds from sales of securities available for sale	28,705	73,788
Redemption of securities, restricted	23,368	36,293
Maturities, calls and principal payments of securities available for sale	46,817	25,281
Maturities, calls and principal payments of securities held to maturity	11,185	3,052
Net increase in loans	(76,145)	(65,656)
Proceeds from loan sale		1,861
Proceeds from sales of other real estate owned, net	278
Purchase of premises and equipment	(960)	(1,064)
Net cash (used in) provided by investing activities	(156,579)	869
Cash flows from financing activities:
Net increase in deposits	97,110	5,704
Net increase in federal funds purchased	15,000	30,000
Net increase (decrease) in FHLB advances	1,793	(31,499)
Net increase (decrease) in repurchase agreements	74	(10,019)
Net proceeds from issuance of common stock	221	169
Repurchase of surrendered stock from vesting of restricted stock awards	(291)	(210)
Excess tax benefit from share based compensation		48
Cash dividends paid	(4,017)	(2,687)
Net cash provided by (used in) financing activities	109,890	(8,494)
Net increase in cash and cash equivalents	(37,350)	(2,953)
Cash and cash equivalents at beginning of period	104,558	51,730
Cash and cash equivalents at end of period	67,208	48,777
Cash paid for:
Interest	5,251	1,842
Income tax	1,970	$ 1,260
Noncash investing and financing activities:
Securities which settled in the subsequent period	$ 5,400