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Investment Securities Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
HTM, at amortized cost $ 1,395,569 $ 1,267,922  
Estimated Fair Value 1,183,449    
Proceeds from sales of AFS securities 2,300,487 213,424 $ 196,411
Collateral Pledged      
Available-for-sale securities pledged as collateral $ 300,000 400,000  
State and municipal securities      
HTM, at amortized cost   1,267,922  
Estimated Fair Value   $ 1,072,207