CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income		$ 48,176	$ 71,681	$ 76,870
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses		3,200	(1,300)	(4,822)
Depreciation of premises and equipment		4,005	3,465	3,411
Net amortization of premiums and discounts on debt securities and loans		1,352	2,893	3,446
Amortization of intangibles		843	860	890
Share–based compensation		2,064	3,247	3,316
Tax (expense) benefit from stock option exercises and other equity awards		(34)	78	182
Deferred income tax (benefit) expense		(3,690)	1,160	2,155
Income from bank-owned life insurance	[1]	(3,488)	(2,591)	(2,925)
Net gains on loan sales, including changes in fair value		(4,514)	(6,730)	(28,195)
Proceeds from sales of loans, net		219,568	309,749	934,516
Loans originated for sale		(221,637)	(272,855)	(887,341)
(Increase) decrease in operating lease right-of-use assets		(2,208)	(464)	2,829
Increase (decrease) in operating lease liabilities		2,469	547	(2,708)
(Increase) decrease in other assets		(3,000)	(30,804)	38,935
Increase (decrease) in other liabilities		(11,503)	34,070	(39,747)
Net cash provided by (used in) operating activities		31,603	113,006	100,812
Cash flows from investing activities:
Purchases of mortgage-backed available for sale debt securities		(39,967)	(223,380)	(347,913)
Purchases of other available for sale debt securities		(20,221)	(10,747)	(251,443)
Maturities and principal payments of mortgage-backed available for sale debt securities		71,732	116,116	337,751
Maturities and principal payments of other available for sale debt securities		750	0	82,800
Net (purchases) redemptions of Federal Home Loan Bank stock		(8,430)	(30,432)	17,254
Purchases of other equity investments, net		(263)	(375)	(650)
Net increase in loans		(537,467)	(832,450)	(27,921)
Purchases of loans		(5,743)	(2,773)	(41,863)
Purchases of premises and equipment		(5,048)	(6,139)	(3,490)
Purchases of bank-owned life insurance		0	(7,000)	(7,000)
Proceeds from bank-owned life insurance		1,932	0	1,526
Proceeds from sale of equity investment in real estate limited partnership		0	0	50
Equity investment in real estate limited partnership		(8,115)	(1,861)	0
Net cash provided by (used in) investing activities		(550,840)	(999,041)	(240,899)
Cash flows from financing activities:
Net increase in deposits		329,198	38,911	601,698
Proceeds from Federal Home Loan Bank advances		3,515,000	3,156,112	1,294,176
Repayment of Federal Home Loan Bank advances		(3,305,000)	(2,321,112)	(1,743,036)
Treasury stock purchased		(8,814)	(9,479)	0
Net proceeds from stock option exercises and issuance of other equity awards, net of awards surrendered		(754)	(821)	(177)
Cash dividends paid		(38,631)	(37,647)	(36,349)
Net cash provided by (used in) financing activities		490,999	825,964	116,312
Net increase (decrease) in cash and cash equivalents		(28,238)	(60,071)	(23,775)
Cash and cash equivalents at beginning of year		118,422	178,493	202,268
Cash and cash equivalents at end of year		90,184	118,422	178,493
Noncash Activities:
Loans charged-off		577	184	663
Loans transferred to property acquired through foreclosure or repossession		683	0	0
Commitment for equity investments in real estate limited partnerships		3,020	8,360	0
Supplemental Disclosures:
Interest payments		156,648	32,096	18,313
Income tax payments		$ 9,926	$ 17,706	$ 19,641

[1] As reported in the Consolidated Statements of Income.