Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Basis of Presentation, Accounting Pronouncements (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Allowance for Credit Loss [Abstract]
Retained earnings	$ 171,629	$ 164,922
Related to unfunded commitments	1,229	165	$ 165	$ 165
Related to loans	$ (15,250)	(18,552)	$ (17,556)	$ (17,304)
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member]
Allowance for Credit Loss [Abstract]
Retained earnings		1,800
Related to unfunded commitments		1,064
Related to loans		$ 3,300