Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
NET INCOME	$ 24,774	$ 20,409
Adjustments to reconcile net income to net cash provided by operations:
Provision for loan losses	4,631	3,550
Depreciation and amortization of premises and equipment, core deposit intangible, and mortgage servicing rights	3,661	3,974
Amortization and accretion of securities premiums and discounts, deferred loan fees and costs, net yield and credit mark on acquired loans, and unearned income	(472)	(980)
Net realized gains on sales of available-for-sale securities	0	(1,543)
Net realized and unrealized gains on trading securities	(672)	(475)
Proceeds from sale of trading securities	434	402
Purchase of trading securities	(1,499)	(1,050)
Gain on sale of branch	0	(536)
Gain on sale of loans	(510)	(253)
Net gains on dispositions of premises and equipment and foreclosed assets	(285)	(64)
Proceeds from sale of loans	18,811	17,978
Origination of loans held for sale	(18,404)	(20,001)
Income on bank owned life insurance	(1,074)	(1,308)
Stock-based compensation expense	1,219	600
Changes in:
Accrued interest receivable and other assets	(5,756)	2,829
Accrued interest payable and other liabilities	2,627	(3,604)
NET CASH PROVIDED BY OPERATING ACTIVITIES	27,485	19,928
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities, prepayments and calls of available-for-sale securities	44,605	59,347
Proceeds from sales of available-for-sale securities	0	15,374
Purchase of available-for-sale securities	(167,473)	(3,620)
Purchase of BOLI policies	0	(10,000)
Proceeds from death benefit of BOLI policies	0	893
Net cash received from sale of branch	0	1,079
Loan origination and payments, net	(241,895)	(226,078)
Purchase of FHLB, other equity, and restricted equity interests	(2,319)	(6,959)
Purchase of premises and equipment	(1,373)	(3,718)
Proceeds from the sale of premises and equipment and foreclosed assets	597	563
NET CASH USED IN INVESTING ACTIVITIES	(367,858)	(173,119)
Net change in:
Checking, money market and savings accounts	329,925	35,303
Certificates of deposit	24,639	8,864
Purchase of treasury stock	(454)	(1,360)
Cash dividends paid	(7,645)	(7,572)
Proceeds from stock offering, net of issuance costs	0	19,294
Repayment of long-term borrowings	(22,732)	(42,505)
Proceeds from long-term borrowings	50,000	140,000
Net change in short-term borrowings	(32,205)	7,659
NET CASH PROVIDED BY FINANCING ACTIVITIES	341,528	159,683
NET INCREASE IN CASH AND CASH EQUIVALENTS	1,155	6,492
CASH AND CASH EQUIVALENTS, Beginning	35,345	29,183
CASH AND CASH EQUIVALENTS, Ending	36,500	35,675
Cash paid during the period for:
Interest	18,456	12,699
Income taxes	4,250	6,000
SUPPLEMENTAL NONCASH DISCLOSURES:
Transfers to other real estate owned	228	239
Grant of restricted stock awards from treasury stock	933	943
Net assets transferred for sale of branch, excluding cash and cash equivalents	$ 0	$ 543