Allowance for Credit Losses on Loans - Additional Information (Detail) |
6 Months Ended | 12 Months Ended |
|---|---|---|
|
Jun. 30, 2026
USD ($)
Loan
|
Dec. 31, 2025
USD ($)
Loan
|
|
| Allowance For Loan Losses [Line Items] | ||
| Financing receivable recorded investment number of days past due | 90 days | |
| Carrying value of foreclosed properties | $ 0 | $ 0 |
| Financing receivable, Revolving, converted to term loans | $ 580,000 | $ 10,400,000 |
| Number of loans issued to borrowers | Loan | 0 | 0 |
| TDR is defined as being past due | 90 days | |
| Accruing Loans 90 Days or More Past Due | $ 0 | $ 0 |
| Real Estate - Residential [Member] | ||
| Allowance For Loan Losses [Line Items] | ||
| Real estate in process of foreclosure, loan amount | 111,000 | 0 |
| Accruing Loans 90 Days or More Past Due | $ 0 | $ 0 |