Commitments and Contingencies - Commitments to Extend Credit and Letters of Credit (Details) $ in Thousands	Jun. 23, 2023 security	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Mar. 31, 2023 USD ($)
Robert C. Ashe Litigation
Loan Commitments and Letters of Credit [Line Items]
Number of new claims filed | security	2
Commitments to Extend Credit
Loan Commitments and Letters of Credit [Line Items]
Notional Amount		$ 443,960	$ 444,256	$ 478,253
Fair Value		0	0	0
Standby Letters of Credit
Loan Commitments and Letters of Credit [Line Items]
Notional Amount		3,401	3,824	3,424
Fair Value		$ 2	$ 0	$ 6
Minimum | Standby Letters of Credit
Loan Commitments and Letters of Credit [Line Items]
Loan commitments, fixed fee percent		1.00%
Maximum | Standby Letters of Credit
Loan Commitments and Letters of Credit [Line Items]
Loan commitments, fixed fee percent		3.00%