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Securities (Narrative) (Details)	3 Months Ended
	Mar. 31, 2023 USD ($) security	Mar. 31, 2022 USD ($)
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Number of securities past due or on nonaccrual	0
Securities evaluated for other than temporary impairment	117
Proceeds from sale of securities available-for-sale | $	$ 0	$ 0
Debt Securities, Held-to-Maturity, Allowance for Credit Loss | $	$ 0
Publicly Traded Domestic Corporations [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	9
U.S. Agency Obligations [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	54
Municipals [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	54
Non-rated [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	1
S&P Rated AAA [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	45
S&P Rated AA [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	64
S&P Rated A [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	6
S&P Rated BBB [Member]
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items]
Securities evaluated for other than temporary impairment	1

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Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
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