Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 17,059	$ 19,240
Adjustments to reconcile net income to net cash provided by operations:
Provision for loan losses	8,759	3,094
Depreciation and amortization of premises and equipment, operating leases assets, core deposit intangible, and mortgage servicing rights	2,914	2,848
Amortization and accretion of securities premiums and discounts, deferred loan fees and costs, net yield and credit mark on acquired loans, and unearned income	(856)	(341)
Net realized gains on sales of available-for-sale securities	(2,190)	(148)
Net realized and unrealized (gains) losses on trading securities	282	(1,454)
Proceeds from sale of trading securities	5,935	699
Purchase of trading securities	(2,297)	(363)
Gain on sale of loans	(820)	(401)
Net gains on dispositions of premises and equipment and foreclosed assets	253	(118)
Proceeds from sale of loans	40,520	17,330
Origination of loans held for sale	(45,970)	(18,594)
Income on bank owned life insurance	(865)	(687)
Stock-based compensation expense	835	867
Changes in:
Accrued interest receivable and other assets	(6,697)	(1,746)
Accrued interest payable, lease liabilities, and other liabilities	(2,307)	(1,611)
NET CASH PROVIDED BY OPERATING ACTIVITIES	14,555	18,615
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities, prepayments and calls of available-for-sale securities	71,803	40,287
Proceeds from sales of available-for-sale securities	57,185	11,403
Purchase of available-for-sale securities	(121,506)	(55,987)
Loan origination and payments, net	(228,598)	(148,670)
Redemption (purchase) of FHLB, other equity, and restricted equity interests	(793)	7
Purchase of premises and equipment	(2,697)	(3,900)
Proceeds from the sale of premises and equipment and foreclosed assets	571	385
NET CASH USED BY INVESTING ACTIVITIES	(224,035)	(156,475)
Net change in:
Checking, money market and savings accounts	519,615	164,286
Certificates of deposit	(25,920)	(40,310)
Purchase of treasury stock	(325)	(1,234)
Cash dividends paid	(5,235)	(5,182)
Proceeds from stock offering, net of issuance costs	3,313	(40,240)
Repayment of long-term borrowings	(34,379)	0
Proceeds from long-term borrowings	222,785	0
Net change in short-term borrowings	0	52,907
NET CASH PROVIDED BY FINANCING ACTIVITIES	679,854	130,227
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	470,374	(7,633)
CASH AND CASH EQUIVALENTS, Beginning	192,974	45,563
CASH AND CASH EQUIVALENTS, Ending	663,348	37,930
Cash paid during the period for:
Interest	18,151	18,356
Income taxes	240	2,691
SUPPLEMENTAL NONCASH DISCLOSURES:
Transfers to other real estate owned	189	256
Grant of restricted stock awards from treasury stock	892	1,055
Grant of performance based restricted stock awards from treasury stock	217	0
Right of use assets obtained in exchange for lease liabilities	$ 0	$ 17,586