XML 94 R75.htm IDEA: XBRL DOCUMENT v3.24.0.1
Investment Securities - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 01, 2022
Dec. 31, 2023
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]      
FRB and FHLB stock, at cost   $ 126,346 $ 34,290
OCI, Debt Securities, Available-for-Sale, Transfer from Held-to-Maturity, Gain (Loss), before Adjustment and Tax   218,300  
Net Investment Income [Line Items]      
OCI, Debt Securities, Available-for-Sale, Transfer from Held-to-Maturity, Gain (Loss), before Adjustment and Tax   (218,300)  
FRB and FHLB stock, at cost   126,346 $ 34,290
Available-for-sale Securities      
Investments, Debt and Equity Securities [Abstract]      
Available For Sale Securities Pledged As Collateral Amortized Cost   2,100,000  
Net Investment Income [Line Items]      
Available For Sale Securities Pledged As Collateral Amortized Cost   2,100,000  
Held-to-maturity Securities      
Net Investment Income [Line Items]      
Transfer to Investments $ 2,300,000    
Asset Pledged as Collateral      
Net Investment Income [Line Items]      
Debt Securities, Held-to-Maturity, Restricted   $ 2,100,000