Premises and Equipment - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($) Lease
Property, Plant and Equipment [Abstract]
Operating lease liabilities	$ 3,601	$ 3,307
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Operating lease liabilities	Operating lease liabilities
Operating lease, right-of-use asset	$ 3,600	$ 3,291
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other	Other
Number of lease termination | Lease		2
Termination of operating lease right of use asset		$ 2,051
Termination of operating lease liability		2,062
Lease termination fee		184
Lease termination	$ 0	$ (173)
Sales-type lease, lease not yet commenced description	There were no sales and leaseback transactions, leverage leases, lease transactions with related parties or leases that had not yet commenced during the periods ended December 31, 2024 or 2023.