CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Operating Activities
Net Income	$ 27,477,000	$ 25,037,000
Adjustments to reconcile net income to net cash (used by) provided by operating activities:
Originations of mortgage loans held for sale	(86,351,000)	(101,749,000)
Proceeds from the sale of mortgage loans	79,575,000	99,778,000
Gain on sale of mortgage loans, net of origination costs	(1,998,000)	(2,550,000)
Provision for credit losses	1,917,000	486,000
Depreciation and amortization expense	1,901,000	1,907,000
Investment securities amortization and accretion, net	1,371,000	1,559,000
Stock-based compensation expense	935,000	1,011,000
Amortization of intangible assets	352,000	362,000
Purchase accounting accretion, net	(817,000)	(1,031,000)
Increase in other assets	(24,895,000)	(3,699,000)
(Decrease) increase in other liabilities	(5,774,000)	10,065,000
Net cash (used by) provided by operating activities	(6,307,000)	31,176,000
Investing Activities
Proceeds from sales and maturities of available-for-sale securities	115,715,000	73,264,000
Purchase of available-for-sale securities	(98,755,000)	(100,615,000)
Proceeds from maturities of held-to-maturity securities	0	750,000
Net increase in loans	(74,556,000)	(85,274,000)
Purchase of Federal Home Loan Bank stock	(3,656,000)	(8,450,000)
Proceeds from sale of Federal Home Loan Bank stock	6,706,000	6,550,000
Purchase of premises and equipment	1,896,000	1,695,000
Proceeds from the sale of premises and equipment	0	749,000
Proceeds from other investments	0	205,000
Recoveries of previously charged-off loans	133,000	199,000
Proceeds from the sale of other real estate owned	554,000	0
Net cash used by investing activities	(55,755,000)	(114,317,000)
Financing Activities
Net increase in deposits	127,169,000	55,703,000
Net (repayments of) proceeds from borrowings less than 90 days	(29,221,000)	49,830,000
Common stock repurchase	(6,997,000)	0
Exercise of stock options and issuance of restricted stock, net of repurchase for tax withholdings	(241,000)	(421,000)
Cash dividends paid on common stock	9,358,000	7,796,000
Finance lease payments	(53,000)	0
Net cash provided by financing activities	81,299,000	97,316,000
Net increase in cash, cash equivalents and restricted cash	19,237,000	14,175,000
Cash, cash equivalents, and restricted cash at beginning of period	66,999,000	102,971,000
Cash, cash equivalents and restricted cash at end of period	86,236,000	117,146,000
Supplemental information
Interest paid	20,214,000	13,707,000
Income taxes paid	5,351,000	5,176,000
Payments for Repurchase of Common Stock, Unsettled	$ 111,000	$ 0