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Basis of Presentation and Accounting Policies (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Apr. 01, 2024
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Accounting Policies [Abstract]          
Debt securities, available-for-sale transferred to held-to-maturity $ 2,720,000        
Net unamortized unrealized holding (losses) gains on available for sale investment securities transferred to held to maturity $ 537,400 $ 0 $ 0 $ (537,434) $ 0