Loans and Allowance for Credit Losses - Schedule of Gross Charge-Offs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
2023			$ 0
2022			1
2021			49
2020			0
2019			0
Prior			104
Total	$ 91	$ 48	154	$ 509
Commercial & industrial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
2023			0
2022			0
2021			49
2020			0
2019			0
Prior			91
Total	91	45	140	506
Commercial real estate | Owner occupied properties
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	0	0	0	0
Commercial real estate | Non-owner occupied and multifamily properties
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	0	0	0	0
Residential real estate | 1-4 family residential properties secured by first liens
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	0	0	0	0
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	0	0	0	0
Residential real estate | 1-4 family residential construction loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	0	0	0	0
Other construction, land development and raw land loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	0	0	0	0
Obligations of states and political subdivisions in the US
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	0	0	0	0
Agricultural production, including commercial fishing
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	0	0	0	0
Consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
2023			0
2022			1
2021			0
2020			0
2019			0
Prior			13
Total	0	3	14	3
Other loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	$ 0	$ 0	$ 0	$ 0