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Investment Securities and Certificates of Deposit - Scheduled Maturities of Available-for-Sale Debt Securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]    
Due within one year, amortized cost $ 328,021 $ 800,710
Due after one year through five years, amortized cost 973 1,942
Debt Securities, Available-for-sale, Amortized Cost 328,994 802,652
Due within one year, fair value 328,029 805,190
Due after one year through five years, fair value 962 1,945
Total, fair value $ 328,991 $ 807,135