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Available-for-Sale Debt Securities - Additional Information (Details) - USD ($)
9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]      
Accrued interest receivables $ 13,500,000   $ 11,200,000
Accrued interest receivables write-off $ 0 $ 0