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Investment Securities - Additional Information (Details)
$ in Thousands
Mar. 31, 2023
USD ($)
Security
Dec. 31, 2022
USD ($)
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items]    
Accrued interest receivable $ 63,175 $ 61,002
Carrying Value Of Investment Securities Pledged $ 7,900,000 4,100,000
Number of available for sale debt securities in unrealized loss positions | Security 393  
Available-for-sale Securities    
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items]    
Accrued interest receivable $ 12,300 11,700
Held-to-maturity Securities    
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items]    
Accrued interest receivable $ 9,200 $ 9,200