Commitments and Contingencies (Details) $ in Thousands		9 Months Ended	12 Months Ended
	Nov. 05, 2021 USD ($) wireTransfer	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jun. 23, 2020 USD ($)
Loss Contingencies [Line Items]
Commitments including funding of fixed-rate loans		$ 187,807	$ 218,309
Commitments including funding of variable-rates loans		1,650,615	1,727,246
Maximum potential amount of future payments required under the commitments		3,783	3,783
Wire Transfer Litigation
Loss Contingencies [Line Items]
Number of purportedly fraudulent and unauthorized wire transfers | wireTransfer	6
Loss contingency, damages sought, value	$ 5,100
Check Fraud Litigation
Loss Contingencies [Line Items]
Loss contingency, embezzlement amount aided				$ 400
Standby Letters of Credit
Loss Contingencies [Line Items]
Standby letters of credit commitment		$ 23,977	$ 17,426
Minimum
Loss Contingencies [Line Items]
Fixed-rate interest		1.00%	1.00%
Maturity period		1 month	1 month
Maximum
Loss Contingencies [Line Items]
Fixed-rate interest		18.00%	18.00%
Maturity period		19 years	15 years