Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income	$ 23,188	$ 36,012
Adjustments to reconcile net income to net cash used by operating activities:
Provision for credit losses	5,036	3,552
Net amortization of securities premiums/discounts	338	821
Proceeds from sale of loans	331,775	510,260
Loans originated for sale	(322,929)	(471,314)
Accretion of net deferred loan costs/fees and premiums	(94)	(315)
Depreciation and amortization of premises and equipment	2,872	2,924
Change in mortgage servicing rights fair value	1,131	(7,963)
Mortgage servicing rights capitalized	(2,194)	(3,630)
Accretion of fair value adjustment on loans and deposits, net	(251)	(1,043)
Amortization of other intangible assets	568	703
Amortization of subordinated debt issuance costs	95	95
Net gains on mortgage loan sales, including fair value adjustments	(8,098)	(12,109)
Bank-owned life insurance income	(1,542)	(1,480)
Income on retirement plan annuities	(393)	(338)
Write-down of asset held for sale		196
Net loss on disposal of premises and equipment	17	41
Net gain on sale and write-down of other real estate owned and repossessed assets	(12)	(30)
ESOP expense	1,885	2,456
Share-based compensation expense	1,607	2,744
Net change in:
Increase in operating lease ROU assets	1,478	1,019
Increase in operating lease liabilities	(1,473)	(976)
Change in other assets	(9,393)	(13,909)
Change in other liabilities	45,973	5,570
Net cash provided by operating activities	69,584	53,286
Activity in securities available for sale:
Maturities, prepayments and calls	16,731	37,659
Purchases		(16,102)
Activity in securities held to maturity:
Maturities, prepayment and calls	160
Purchases		(15,000)
Net redemption (purchase) of FHLB stock	(3,307)	(10,042)
Proceeds on asset held for sale		685
Loan pool purchase		(58,311)
Participation-in loan purchases	(31,443)	(116,144)
Net loan originations	(145,625)	(415,391)
Proceeds from sale of other real estate owned and repossessed assets	282	247
Additions to property and equipment	(3,565)	(1,335)
Net cash used by investing activities	(166,767)	(593,734)
Cash flows from financing activities:
Net increase in deposits	220,355	200,379
Net change in short-term borrowed funds	(135,000)	330,000
Proceeds from FHLB borrowings	255,000
Repayment of FHLB borrowings	(45,204)	(40,027)
Net change in mortgagors' escrow accounts	618	1,383
Proceeds from exercise of stock options		6,869
Treasury stock purchased	(39,419)	(57,266)
Dividends paid	(10,400)	(9,655)
Net cash provided by financing activities	245,950	431,683
Net change in cash and cash equivalents	148,767	(108,765)
Cash and cash equivalents at beginning of period	98,017	194,719
Cash and cash equivalents at end of period	246,784	85,954
Supplemental cash flow information:
Interest paid on deposits	59,691	6,667
Interest paid on borrowed funds	21,242	3,248
Income taxes paid, net	7,507	8,020
Transfer of loans to other real estate owned and repossessed assets	228	238
Dividends declared	$ 9,696	$ 9,778