Qualified Affordable Housing Project Investments (Narrative) (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Qualified Affordable Housing Project Investments [Abstract]
Qualified affordable housing project investments	$ 6,500,000		$ 6,500,000		$ 7,300,000
Qualified affordable housing project investments, amortized expense	179,000	$ 0	1,400,000	$ 0
Qualified affordable housing tax credits	$ 219,000	$ 0	$ 1,700,000	$ 0

Amount of amortization expense of investment in qualified affordable housing projects.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 740
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration