CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 38,982	$ 28,071
Proceeds from sales of loans held for sale	189,430	121,921
Originations of loans held for sale	(184,625)	(128,939)
Items not requiring (providing) cash:
Depreciation	4,766	4,982
Amortization	989	847
Compensation expense for stock option grants	597	558
Provision (credit) for credit losses on loans	(700)	9,871
Provision (credit) for unfunded commitments	(981)
Net gains on loan sales	(5,301)	(2,430)
Net realized gains on sales of available-for-sale securities		(78)
Net (gains) losses on sale of premises and equipment	1	(24)
Net (gains) losses on sale/write-down of other real estate owned and repossessions	(86)	111
Accretion of deferred income, premiums, discounts and other	(4,731)	(2,548)
Loss (gain) on derivative interest rate products	(295)	514
Deferred income taxes	492	(29,501)
Changes in:
Interest receivable	827	(1,604)
Prepaid expenses and other assets	11,031	17,023
Accrued expenses and other liabilities	885	1,878
Income taxes refundable/payable	3,506	14,755
Net cash provided by (used in) investing activities	54,787	35,407
CASH FLOWS FROM INVESTING ACTIVITIES
Net change in loans	129,451	(251,662)
Purchase of loans and loan participations	(52,071)	(3,625)
Purchase of premises and equipment	(2,281)	(3,669)
Proceeds from sale of premises and equipment	65	372
Proceeds from sale of other real estate and repossessions	1,536	2,011
Capitalized costs on other real estate owned		(126)
Proceeds from termination of interest rate derivative		45,864
Proceeds from sales of available-for-sale securities		19,236
Proceeds from maturities and calls of available-for-sale securities	5,830	13,850
Principal reductions on mortgage-backed securities	28,807	11,172
Purchase of available-for-sale securities	(80,904)	(95,145)
Redemption of Federal Home Loan Bank stock and change in other interest-earning assets	3,051	2,197
Net cash provided by (used in) investing activities	33,484	(259,525)
CASH FLOWS FROM FINANCING ACTIVITIES
Net decrease in certificates of deposit	(231,587)	(13,958)
Net increase in checking and savings deposits	281,037	566,021
Net decrease in short-term borrowings	(6,142)	(119,421)
Advances from borrowers for taxes and insurance	1,192	3,245
Proceeds from issuance of subordinated notes		73,513
Dividends paid	(9,332)	(23,903)
Purchase of the Company's common stock	(7,460)	(8,148)
Stock options exercised	2,096	259
Net cash provided by financing activities	29,804	477,608
INCREASES IN CASH AND CASH EQUIVALENTS	118,075	253,490
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	563,729	220,155
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 681,804	$ 473,645