v3.25.2
Borrowed Funds - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Debt Instrument [Line Items]          
Total long-term borrowings $ 614,800   $ 614,800   $ 513,900
Total short-term borrowings 1,760,000   1,760,000   1,510,000
Available for sale debt securities, at fair value 3,019,796   3,019,796   2,768,915
Borrowed funds 24,800 $ 20,800 43,100 $ 38,200  
Amortization related to purchase accounting on FHLB advances 316 $ 291 868 $ 307  
Asset Pledged as Collateral | Securities Sold under Agreements to Repurchase          
Debt Instrument [Line Items]          
Available for sale debt securities, at fair value $ 2,400,000   $ 2,400,000   $ 1,120,000