Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Activities:
Net income	$ 30,741	$ 37,517	$ 32,888
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Gain on sale of securities, net	0	(67)	(98)
Loss on sale of premises and equipment	0	0	22
Depreciation and amortization of premises	3,139	3,276	3,147
Amortization of software	1,164	1,161	1,104
Intangible asset amortization	25	37	48
Amortization of investment security premium, net of discount accretion	630	529	19
Unrealized loss (gain) on marketable equity securities	1,119	101	(61)
Deferred tax (income) expense	2,110	(1,298)	555
Stock-based compensation	742	1,073	943
Deferral of loan fees and amortization, net of costs	(2,933)	(192)	6,650
Provision (benefit) for credit losses	1,846	(4,099)	2,432
Benefit for purchased receivables	0	0	(21)
Additions to home mortgage servicing rights carried at fair value	(4,623)	(6,088)	(4,824)
Change in fair value of home mortgage servicing rights carried at fair value	(288)	3,582	5,526
Change in fair value of commercial servicing rights carried at fair value	(809)	437	99
Gain on sale of loans	(13,873)	(36,436)	(46,258)
Proceeds from the sale of loans held for sale	645,518	1,227,150	1,263,325
Origination of loans held for sale	(585,533)	(1,118,186)	(1,295,411)
Loss (gain) on sale of other real estate owned	414	(685)	(391)
Net changes in assets and liabilities:
(Increase) decrease in accrued interest receivable	(3,091)	1,133	(3,467)
Decrease (increase) in other assets	5,528	12,739	(15,096)
(Decrease) increase in other liabilities	(3,703)	(9,695)	12,415
Net Cash Provided (Used) by Operating Activities	78,123	111,989	(36,454)
Investment in securities:
Purchases of investment securities available for sale	(302,668)	(320,501)	(160,423)
Purchases of marketable equity securities	(3,934)	(493)	(1,552)
Purchases of FHLB stock	(730)	(573)	(5,931)
Purchases of investment securities held to maturity	(16,750)	(10,000)	(10,000)
Proceeds from sales/calls/maturities of securities available for sale	13,417	135,365	189,323
Proceeds from sales of marketable equity securities	488	1,084	601
Proceeds from redemption of FHLB stock	21	17	5,518
(Increase) decrease in purchased receivables, net	(13,007)	6,935	10,472
Decrease in loans, net		28,975
Increase in loans, net	(83,839)		(408,365)
Proceeds from sale of other real estate owned	5,224	2,610	797
Purchases of software	(51)	(170)	(416)
Purchases of premises and equipment	(3,796)	(2,338)	(2,849)
Net Cash (Used) Provided by Investing Activities	(405,625)	(159,089)	(382,825)
Financing Activities:
Increase in deposits	(34,420)	596,650	452,630
Proceeds from borrowings	0	0	110,610
Repayments of borrowings	(413)	(309)	(104,684)
Proceeds from the issuance of common stock	586	1,543	84
Repurchase of common stock	(14,157)	(11,534)	(9,976)
Cash dividends paid	(10,571)	(9,388)	(8,844)
Net Cash (Used) Provided by Financing Activities	(58,975)	576,962	439,820
Net Change in Cash and Cash Equivalents	(386,477)	529,862	20,541
Cash and Cash Equivalents at Beginning of Year	645,827	115,965	95,424
Cash and Cash Equivalents at End of Year	259,350	645,827	115,965
Supplemental Information:
Income taxes paid	2,015	6,380	7,790
Interest paid	5,190	3,813	6,009
Transfer of loans to other real estate owned	0	274	652
Loans made to facilitate sales of other real estate owned	0	1,012	0
Non-cash lease liability arising from obtaining right of use assets	1,128	79	370
Cash dividends declared but not paid	85	92	98
Cumulative effect adjustment to retained earnings	$ 0	$ 2,400	$ (139)