Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 29,597	$ 24,774
Adjustments to reconcile net income to net cash provided by operations:
Provision for loan losses	5,212	4,631
Depreciation and amortization of premises and equipment, operating leases assets, core deposit intangible, and mortgage servicing rights	4,156	3,661
Amortization and accretion of securities premiums and discounts, deferred loan fees and costs, net yield and credit mark on acquired loans, and unearned income	(540)	(472)
Net realized gains on sales of available-for-sale securities	(148)	0
Net realized and unrealized gains on trading securities	(1,651)	(672)
Proceeds from sale of trading securities	764	434
Purchase of trading securities	(415)	(1,499)
Gain on sale of loans	(696)	(510)
Net gains on dispositions of premises and equipment and foreclosed assets	(353)	(285)
Proceeds from sale of loans	29,729	18,811
Origination of loans held for sale	(30,107)	(18,404)
Income on bank owned life insurance	(1,002)	(1,074)
Stock-based compensation expense	1,109	1,218
Changes in:
Accrued interest receivable and other assets	(895)	(5,755)
Accrued interest payable, lease liabilities, and other liabilities	(3,278)	2,627
NET CASH PROVIDED BY OPERATING ACTIVITIES	31,482	27,485
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities, prepayments and calls of available-for-sale securities	63,835	44,605
Proceeds from sales of available-for-sale securities	11,403	0
Purchase of available-for-sale securities	(72,542)	(167,473)
Loan origination and payments, net	(279,901)	(241,895)
Redemption (purchase) of FHLB, other equity, and restricted equity interests	(393)	(2,319)
Purchase of premises and equipment	(6,720)	(1,373)
Proceeds from the sale of premises and equipment and foreclosed assets	725	597
NET CASH USED BY INVESTING ACTIVITIES	(283,593)	(367,858)
Net change in:
Checking, money market and savings accounts	286,141	329,925
Certificates of deposit	(21,332)	24,639
Purchase of treasury stock	(1,319)	(454)
Cash dividends paid	(7,765)	(7,645)
Repayment of long-term borrowings	(45,385)	(22,732)
Proceeds from long-term borrowings	30,353	50,000
Net change in short-term borrowings	18,016	(32,205)
NET CASH PROVIDED BY FINANCING ACTIVITIES	258,709	341,528
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	6,598	1,155
CASH AND CASH EQUIVALENTS, Beginning	45,563	35,345
CASH AND CASH EQUIVALENTS, Ending	52,161	36,500
Cash paid during the period for:
Interest	28,304	17,722
Income taxes	5,014	4,250
SUPPLEMENTAL NONCASH DISCLOSURES:
Transfers to other real estate owned	1,473	228
Grant of restricted stock awards from treasury stock	$ 1,076	$ 933