Loans (Tier Risk Rating System) - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
Nonaccrual [Member] | ||||
Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
Interest income on nonaccrual loans | $ 31 | $ 19 | $ 52 | $ 41 |
Minimum [Member] | ||||
Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
Repayment period of loan with a reasonable reduction of principal balance | 2 years |