Description of Business and Summary of Significant Accounting Policies, Impact of ASU 326 Adoption (Details) - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Impact of ASU 326 Adoption [Abstract]
Net decrease to retained earnings		$ (81,292)	$ (78,147)
Allowance for credit losses on loans		11,844	10,526	$ 9,865
Commercial and Industrial [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans		645	673	683
Real Estate [Member] | Construction [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			552	459
Real Estate [Member] | Mortgage [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans	[1]	2,882	2,575	2,390
Real Estate [Member] | Commercial [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans		5,791	4,499	4,787
Consumer [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans	[2]	1,550	2,065	1,362
Other [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans		147	156	184
Unfunded Credit Exposure [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans		0	6	$ 0
Accounting Standards Update 2016-13 [Member]
Impact of ASU 326 Adoption [Abstract]
Total allowance for credit losses			11,568
Accounting Standards Update 2016-13 [Member] | Unfunded Credit Exposure [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on unfunded credit exposure			401
Accounting Standards Update 2016-13 [Member] | Loans [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			11,167
Accounting Standards Update 2016-13 [Member] | Loans [Member] | Commercial and Industrial [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			662
Accounting Standards Update 2016-13 [Member] | Loans [Member] | Real Estate [Member] | Construction [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			571
Accounting Standards Update 2016-13 [Member] | Loans [Member] | Real Estate [Member] | Mortgage [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			2,662
Accounting Standards Update 2016-13 [Member] | Loans [Member] | Real Estate [Member] | Commercial [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			5,547
Accounting Standards Update 2016-13 [Member] | Loans [Member] | Consumer [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			1,700
Accounting Standards Update 2016-13 [Member] | Loans [Member] | Other [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			25
Accounting Standards Update 2016-13 [Member] | Previously Reported [Member]
Impact of ASU 326 Adoption [Abstract]
Total allowance for credit losses			10,577
Accounting Standards Update 2016-13 [Member] | Previously Reported [Member] | Unfunded Credit Exposure [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on unfunded credit exposure			51
Accounting Standards Update 2016-13 [Member] | Previously Reported [Member] | Loans [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			10,526
Accounting Standards Update 2016-13 [Member] | Previously Reported [Member] | Loans [Member] | Commercial and Industrial [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			673
Accounting Standards Update 2016-13 [Member] | Previously Reported [Member] | Loans [Member] | Real Estate [Member] | Construction [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			552
Accounting Standards Update 2016-13 [Member] | Previously Reported [Member] | Loans [Member] | Real Estate [Member] | Mortgage [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			2,575
Accounting Standards Update 2016-13 [Member] | Previously Reported [Member] | Loans [Member] | Real Estate [Member] | Commercial [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			4,499
Accounting Standards Update 2016-13 [Member] | Previously Reported [Member] | Loans [Member] | Consumer [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			2,065
Accounting Standards Update 2016-13 [Member] | Previously Reported [Member] | Loans [Member] | Other [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			162
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member]
Impact of ASU 326 Adoption [Abstract]
Net decrease to retained earnings		$ 1,000
Allowance for credit losses on loans			641
Total allowance for credit losses			991
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Commercial and Industrial [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			(11)
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Real Estate [Member] | Mortgage [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans	[1]		87
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Real Estate [Member] | Commercial [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			1,048
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Consumer [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans	[2]		(365)
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Other [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			(137)
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Unfunded Credit Exposure [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			0
Allowance for credit losses on unfunded credit exposure			350
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Loans [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			641
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Loans [Member] | Commercial and Industrial [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			(11)
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Loans [Member] | Real Estate [Member] | Construction [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			19
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Loans [Member] | Real Estate [Member] | Mortgage [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			87
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Loans [Member] | Real Estate [Member] | Commercial [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			1,048
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Loans [Member] | Consumer [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			(365)
Accounting Standards Update 2016-13 [Member] | Impact of CECL Adoption [Member] | Loans [Member] | Other [Member]
Impact of ASU 326 Adoption [Abstract]
Allowance for credit losses on loans			$ (137)

[1] The real estate-mortgage segment includes residential 1 – 4 family, multi-family, second mortgages and equity lines of credit.

[2] The consumer segment includes consumer automobile loans.