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Cash and Due from Banks	9 Months Ended
Cash and Due from Banks	Sep. 30, 2023
Cash and Cash Equivalents [Abstract]
Cash and Due from Banks	Cash and Due from Banks For the nine months ended September 30, 2023 and 2022, the Bank maintained an average daily balance at the Federal Reserve Bank of $892.8 million and $1.4 billion, respectively, on which interest is paid. Additionally, the Bank maintains interest-bearing balances with the Federal Home Loan Bank of Atlanta ("FHLB") and noninterest-bearing balances with domestic correspondent banks to cover associated costs for services they provide to the Bank.