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Borrowings - (Details) - USD ($)
Sep. 30, 2024
Dec. 31, 2023
Federal Home Loan Bank, Advances [Line Items]    
Federal Home Loan Bank Stock $ 1,500,000 $ 2,600,000
Long-term Federal Home Loan Bank Advances 20,000,000.0 45.0
Borrowings 0 $ 0
Lines of credit for future borrowings 45,400,000  
FHLB advances    
Federal Home Loan Bank, Advances [Line Items]    
Lines of credit for future borrowings 22,600,000  
Revolving Credit Facility    
Federal Home Loan Bank, Advances [Line Items]    
Lines of credit for future borrowings 20,000,000.0  
Secured Debt    
Federal Home Loan Bank, Advances [Line Items]    
Lines of credit for future borrowings $ 2,800,000