CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash Flows from Operating Activities
Net income	$ 15,364	$ 25,469
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	17,216	2,111
Amortization of intangible assets	2,557	2,094
Amortization of mortgage servicing rights	1,276	536
Depreciation and amortization of premises and equipment	3,165	2,684
Net amortization (accretion) of premium (discount) on portfolio loans	(2,487)	(2,694)
Net amortization (accretion) of premium (discount) on investment securities	1,869	1,355
Net amortization (accretion) of premium (discount) on time deposits	(374)	(333)
Net amortization (accretion) of premium (discount) on FHLB advances and other borrowings	93	34
Impairment of OREO		36
Impairment of mortgage servicing rights	177
(Gain) loss on sales of securities, net	(1,556)	183
(Gain) loss on sale of loans, net	(3,900)	(2,141)
(Gain) loss on sale of OREO	1	(3)
(Gain) loss on sale of premises and equipment	37	24
Realized (gain) loss on preferred stock and equity securities	(18)	(8)
(Gain) loss on life insurance proceeds	(14)
Provision for deferred income taxes	1,722	1,751
Stock-based and non-cash compensation	1,139	1,014
Decrease in deferred compensation		(466)
Increase in cash surrender value of bank owned life insurance	(1,043)	(978)
Mortgage loans originated for sale	(182,203)	(83,950)
Proceeds from sales of mortgage loans	165,008	93,463
Net change in operating assets and liabilities:
Decrease in other assets	991	2,228
(Decrease) increase in other liabilities	(1,194)	(5,943)
Net cash (used in) provided by operating activities	18,813	36,250
Cash Flows from Investing Activities
Purchases of debt securities available for sale	(273,992)	(125,464)
Proceeds from sales of equity securities	29	958
Proceeds from sales of debt securities available for sale		141,798
Proceeds from paydowns and maturities of debt securities held to maturity		13,822
Proceeds from paydowns and maturities of debt securities available for sale	158,536	43,435
Net cash (received) paid in acquisitions		(49,387)
Net change in loans	(64,338)	(72,655)
Cash paid for premiums on bank-owned life insurance	(111)
Purchases of premises and equipment	(2,314)	(1,065)
Proceeds from life insurance	274
Proceeds from disposition of premises and equipment	607
Proceeds from sale of OREO	81	147
Net cash (used in) provided by investing activities	(181,228)	(48,411)
Cash Flows from Financing Activities
Net change in deposits	71,211	75,034
Net change in federal funds purchased and securities sold under agreements to repurchase	(38,241)	(19,318)
Proceeds from other borrowings	20,000	60,000
Repayment of other borrowings	(54,000)	(1,500)
Net change in short-term FHLB advances	(1,193)	(1,121)
Cash dividends paid	(12,055)	(10,266)
Purchase of treasury stock	(9,672)
Cash paid for withholding taxes on share-based payments	(75)
Common stock issuance costs		(234)
Net cash (used in) provided by financing activities	(24,025)	102,595
Net (decrease) increase in cash and cash equivalents	(186,440)	90,434
Cash and cash equivalents, beginning of period	529,288	239,973
Cash and cash equivalents, ending of period	342,848	330,407
Cash Payments for:
Interest	14,391	14,876
Income taxes	500	690
Non-cash Investing and Financing Activities:
OREO acquired in settlement of loans	$ 578	577
Transfer of debt securities held to maturity to available for sale		$ 573,639