Fair Values of Assets and Liabilities - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Impaired loans considered to be credit risk of non-collection	$ 250		$ 250
Updated appraisal requirement floor	250		250
Other real estate owned	1,049		1,049		$ 895
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3			0	$ 0
Total gains or losses included in earnings			0	0
Derivatives mark to market	0	$ 0	(153)	$ 12
Financial instrument of credit risk	300		300		$ 300
Forward Contracts [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivatives mark to market	$ 500		$ 500