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Investment Securities Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
May 01, 2022
Schedule of Investments [Line Items]        
fair value of AFS securities transferred to HTM       $ 415,200
Amortize value of securities transferred from AFS to HTM       $ 479,000
Proceeds from sales of AFS securities $ 80,362 $ 108,961    
Debt Securities, Held-to-Maturity, Fair Value 1,125,027   $ 1,125,049  
Collateral Pledged [Member]        
Schedule of Investments [Line Items]        
Securities pledged as collateral $ 1,100,000   $ 1,100,000