v3.26.1
Investment Securities - Schedule of Maturities of Investment Securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]    
Available-for-sale, amortized cost, one year or less $ 1,129  
Available-for-sale, amortized cost, after one through five years 83,447  
Available-for-sale, amortized cost, after five through ten years 93,730  
Available-for-sale, amortized cost, after ten years 1,006,734  
Available-for-sale, amortized cost, securities not due on a single maturity date 2,254,293  
Available-for-sale, amortized cost, other securities (no maturity) 193  
Amortized Cost 3,439,526 $ 3,642,809
Available-for-sale, fair value, one year or less 1,122  
Available-for-sale, fair value, after one through five years 82,662  
Available-for-sale, fair value, after five through ten years 89,529  
Available-for-sale, fair value, after ten years 841,915  
Available-for-sale, fair value, securities not due on a single maturity date 2,061,760  
Available-for-sale, fair value, other securities (no maturity) 193  
Available-for-sale, fair value, total $ 3,077,181 $ 3,266,221