v3.25.4
Short-Term Borrowings and Long-Term Debt - Summary of Short-Term Borrowings (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
FHLB Borrowings    
Schedule Of Borrowings [Line Items]    
Amount outstanding at year-end $ 300,000 $ 885,000
Interest rate at year-end 3.72% 4.38%
Average balance outstanding during the year $ 288,808 $ 933,880
Weighted-average interest rate during the year 4.35% 5.35%
Maximum month-end outstanding during the year $ 1,400,000 $ 1,675,000
Federal Funds Purchased    
Schedule Of Borrowings [Line Items]    
Amount outstanding at year-end $ 30,000 $ 0
Interest rate at year-end 3.74% 0.00%
Average balance outstanding during the year $ 39,691 $ 16
Weighted-average interest rate during the year 4.51% 17.82%
Maximum month-end outstanding during the year $ 588,000 $ 0
Customer repurchase agreements    
Schedule Of Borrowings [Line Items]    
Amount outstanding at year-end $ 0 $ 0
Interest rate at year-end 0.00% 0.00%
Average balance outstanding during the year $ 0 $ 0
Weighted-average interest rate during the year 0.00% 0.00%
Maximum month-end outstanding during the year $ 0 $ 0