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Loans and Allowance for Credit Losses - Risk Grade by Category of Loan and Year of Origination/Renewal (Parenthetical) (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Financing Receivable Impaired [Line Items]    
Loans held for sale $ 6,380 $ 5,734
Residential Mortgage Loans [Member]    
Financing Receivable Impaired [Line Items]    
Loans held for sale $ 6,380 $ 5,734