Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income	$ 18,012	$ 17,480
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	1,750	2,150
Depreciation and (accretion)	(2,049)	(3,438)
Net amortization on securities	3,291	3,185
Increase in cash surrender value of bank owned life insurance	(1,127)	(802)
Amortization of intangible assets	553	1,348
Share based compensation expense	1,324	1,067
Net securities gains		(449)
Increase in accrued interest receivable	504	354
Small Business Administration ("SBA") loans originated for sale	(14,483)	(4,839)
Proceeds from sale of the guaranteed portion of SBA loans	16,123	5,400
Gain on sale of the guaranteed portion of SBA loans	(1,342)	(457)
(Increase) decrease in other assets	(2,203)	597
Increase (decrease) in accrued expenses and other liabilities	3,636	(4,688)
Net cash provided by operating activities	23,989	16,908
Cash flows from investing activities:
Purchases of securities available for sale	(73,916)	(182,100)
Purchases of securities, restricted	(303,890)	(256,768)
Purchases of securities held to maturity	(2,031)	(32,651)
Proceeds from sales of securities available for sale		264,358
Redemption of securities, restricted	299,814	260,662
Maturities, calls and principal payments of securities available for sale	59,170	100,636
Maturities, calls and principal payments of securities held to maturity	20,756	18,450
Net increase in loans	(192,825)	(117,318)
Proceeds from sales of other real estate owned, net		278
Purchase of bank owned life insurance		(30,000)
Purchase of premises and equipment	(1,685)	(1,786)
Net cash (used in) provided by investing activities	(194,607)	23,761
Cash flows from financing activities:
Net increase in deposits	133,646	10,694
Net (decrease) increase in federal funds purchased	(50,000)	30,000
Net increase (decrease) in Federal Home Loan Bank advances	67,479	(98,415)
Repayment of junior subordinated debentures	(352)
Net increase in repurchase agreements	57	4
Net proceeds from issuance of common stock	469	447
Repurchase of surrendered stock from vesting of restricted stock awards	(264)	(308)
Cash dividends paid	(9,103)	(8,053)
Net cash provided by (used in) financing activities	141,932	(65,631)
Net decrease in cash and cash equivalents	(28,686)	(24,962)
Cash and cash equivalents at beginning of period	113,838	104,558
Cash and cash equivalents at end of period	85,152	79,596
Cash paid for:
Interest	10,498	8,506
Income tax	165	$ 11,107
Noncash investing and financing activities:
Conversion of junior subordinated debentures	$ 15,350