v3.26.1
Securities - Additional Information (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
Security
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Schedule Of Investments [Line Items]            
Allowance for credit losses for held-to-maturity debt securities $ 111,861 $ 108,879 $ 108,834 $ 107,727 $ 100,420 $ 97,988
Accrued interest receivable $ 5,000   $ 4,600      
Minimum            
Schedule Of Investments [Line Items]            
Percentage of shareholders equity for which securities holdings exceeds for no issuer other than U.S. Government and agencies 10.00%   10.00%      
Available-for-sale Securities            
Schedule Of Investments [Line Items]            
Investment securities with unrealized losses | Security 252