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Borrowings - (Details) - USD ($)
Mar. 31, 2024
Dec. 31, 2023
Federal Home Loan Bank, Advances [Line Items]    
Federal Home Loan Bank Stock $ 2,414,000 $ 2,644,000
Long-term Federal Home Loan Bank Advances 40,000,000 45,000,000
Borrowings 0 $ 0
Lines of credit for future borrowings 26,100,000  
FHLB advances    
Federal Home Loan Bank, Advances [Line Items]    
Lines of credit for future borrowings 3,300,000  
Revolving Credit Facility [Member]    
Federal Home Loan Bank, Advances [Line Items]    
Lines of credit for future borrowings 20,000,000  
Secured Debt [Member]    
Federal Home Loan Bank, Advances [Line Items]    
Lines of credit for future borrowings $ 2,800,000