Loans - Loans Designated as TDRs (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($) loan	Sep. 30, 2022 USD ($) loan	Sep. 30, 2023 USD ($)
Allowance for Credit Losses
Number of loans | loan	11	22
Pre-Modification Amortized Cost	$ 9,999,000	$ 11,521,000
Post-Modification Amortized Cost	9,999,000	11,521,000
Balance of accruing TDRs	12,200,000	12,200,000
Remaining availability under commitments to lend additional funds on restructured loans	599,000	599,000	$ 3,300,000
Specific reserve associated with restructured loans that subsequently defaulted	$ 12,300,000	$ 12,300,000
Interest rate modification
Allowance for Credit Losses
Number of loans | loan	5	14
Pre-Modification Amortized Cost	$ 5,485,000	$ 6,465,000
Post-Modification Amortized Cost	$ 5,485,000	$ 6,465,000
Term modification
Allowance for Credit Losses
Number of loans | loan	6	8
Pre-Modification Amortized Cost	$ 4,514,000	$ 5,056,000
Post-Modification Amortized Cost	$ 4,514,000	$ 5,056,000
Construction and land development | Term modification
Allowance for Credit Losses
Number of loans | loan		1
Pre-Modification Amortized Cost		$ 133,000
Post-Modification Amortized Cost		$ 133,000
Commercial non-owner occupied | Interest rate modification
Allowance for Credit Losses
Number of loans | loan	2	3
Pre-Modification Amortized Cost	$ 2,321,000	$ 2,498,000
Post-Modification Amortized Cost	$ 2,321,000	$ 2,498,000
Commercial non-owner occupied | Term modification
Allowance for Credit Losses
Number of loans | loan	1	1
Pre-Modification Amortized Cost	$ 375,000	$ 375,000
Post-Modification Amortized Cost	$ 375,000	$ 375,000
Commercial owner occupied real estate loan | Interest rate modification
Allowance for Credit Losses
Number of loans | loan	2	3
Pre-Modification Amortized Cost	$ 2,629,000	$ 2,855,000
Post-Modification Amortized Cost	$ 2,629,000	$ 2,855,000
Commercial owner occupied real estate loan | Term modification
Allowance for Credit Losses
Number of loans | loan	2	3
Pre-Modification Amortized Cost	$ 1,042,000	$ 1,451,000
Post-Modification Amortized Cost	$ 1,042,000	$ 1,451,000
Consumer Owner Occupied Loans | Interest rate modification
Allowance for Credit Losses
Number of loans | loan		1
Pre-Modification Amortized Cost		$ 96,000
Post-Modification Amortized Cost		$ 96,000
Commercial and industrial | Interest rate modification
Allowance for Credit Losses
Number of loans | loan	1	5
Pre-Modification Amortized Cost	$ 535,000	$ 905,000
Post-Modification Amortized Cost	$ 535,000	$ 905,000
Commercial and industrial | Term modification
Allowance for Credit Losses
Number of loans | loan	3	3
Pre-Modification Amortized Cost	$ 3,097,000	$ 3,097,000
Post-Modification Amortized Cost	$ 3,097,000	$ 3,097,000
Other income producing property | Interest rate modification
Allowance for Credit Losses
Number of loans | loan		2
Pre-Modification Amortized Cost		$ 111,000
Post-Modification Amortized Cost		$ 111,000