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Debt Securities - Additional Information (Details) - USD ($)
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]      
Accrued interest receivables $ 8,100,000   $ 4,700,000
Accrued interest receivables write-off $ 0 $ 0