v3.26.1
Fair Value Measurements - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Purchases of investments $ 6,200,000 $ 5,500,000  
Proceeds from the sales and maturities of securities available-for-sale 4,300,000 5,300,000  
Transfers between Level 1, Level 2 and Level 3 securities 0 0  
Cash collateral deposit 1,200,000    
Credit losses on available-for-sale securities 0 $ 0  
Interest Rate Swap [Member]      
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Notional value 100,000,000   $ 0
Fair value of the asset 100,319,000   0
Fair value $ 319,000   $ 0