v3.25.4
Borrowing Arrangements - Schedule of Collateral Value of Loans and Securities Pledged (Details) - Line of credit - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Borrowing Arrangements    
Collateral Value $ 2,726,862 $ 2,989,115
Total Available 2,084,920 2,313,909
Outstanding 0 0
Remaining Available 2,084,920 2,313,909
FHLB collateralized borrowing capacity    
Borrowing Arrangements    
Collateral Value 1,229,391 1,233,768
Total Available 816,066 815,760
Outstanding 0 0
Remaining Available 816,066 815,760
FRB discount window collateralized line of credit    
Borrowing Arrangements    
Collateral Value 1,497,471 1,755,347
Total Available 1,193,854 1,383,149
Outstanding 0 0
Remaining Available 1,193,854 1,383,149
Federal funds purchase arrangements    
Borrowing Arrangements    
Total Available 75,000 90,000
Outstanding 0 0
Remaining Available $ 75,000 90,000
Holding company line of credit    
Borrowing Arrangements    
Total Available   25,000
Outstanding   0
Remaining Available   $ 25,000