Allowance for Credit Losses - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Loans and Leases Receivable Disclosure [Line Items]
Interest income recognized on nonaccrual loans	$ 88	$ 12	$ 111	$ 28
Amortized cost	3,919		3,919
Accrued Interest Receivable and Other Assets [Member]
Loans and Leases Receivable Disclosure [Line Items]
Accrued interest receivable on loans	$ 9,304		$ 9,304