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Federal Home Loan Bank ("FHLB") Borrowings (Details) - USD ($)
Mar. 31, 2024
Dec. 31, 2023
Debt Instrument [Line Items]    
Advances from federal home loan banks, net of unaccreted market value adjustment $ 308,200,000 $ 211,200,000
Federal Home Loan Bank Borrowings 308,206,000 211,198,000
Federal home loan bank, advances, general debt obligations, amount of available, unused funds 1,200,000,000  
November 2026    
Debt Instrument [Line Items]    
Federal home loan bank, advances, principal amount 60,000,000  
Federal Home Loan Bank Borrowings $ 32,300,000 $ 35,300,000
Federal home loan bank, advances, branch of fhlb bank, interest rate 0.89% 0.89%
April 2025    
Debt Instrument [Line Items]    
Federal Home Loan Bank Borrowings $ 875,000 $ 875,000
Federal home loan bank, advances, branch of fhlb bank, interest rate 4.88% 4.88%
July 2025    
Debt Instrument [Line Items]    
Federal Home Loan Bank Borrowings $ 25,000,000 $ 25,000,000
Federal home loan bank, advances, branch of fhlb bank, interest rate 4.89% 4.89%
January 2026    
Debt Instrument [Line Items]    
Federal Home Loan Bank Borrowings $ 25,000,000 $ 25,000,000
Federal home loan bank, advances, branch of fhlb bank, interest rate 4.65% 4.65%
July 2026    
Debt Instrument [Line Items]    
Federal Home Loan Bank Borrowings $ 25,000,000 $ 25,000,000
Federal home loan bank, advances, branch of fhlb bank, interest rate 4.56% 4.56%
October 2024    
Debt Instrument [Line Items]    
Federal Home Loan Bank Borrowings $ 25,000,000 $ 25,000,000
Federal home loan bank, advances, branch of fhlb bank, interest rate 4.13% 4.13%
October 2030    
Debt Instrument [Line Items]    
Federal Home Loan Bank Borrowings $ 25,000,000 $ 25,000,000
Federal home loan bank, advances, branch of fhlb bank, interest rate 3.92% 3.92%
First October 2033    
Debt Instrument [Line Items]    
Federal Home Loan Bank Borrowings $ 25,000,000 $ 25,000,000
Federal home loan bank, advances, branch of fhlb bank, interest rate 3.72% 3.72%
Second October 2033    
Debt Instrument [Line Items]    
Federal Home Loan Bank Borrowings $ 25,000,000 $ 25,000,000
Federal home loan bank, advances, branch of fhlb bank, interest rate 3.57% 3.57%
December 2026    
Debt Instrument [Line Items]    
Federal Home Loan Bank Borrowings $ 25,000,000  
Federal home loan bank, advances, branch of fhlb bank, interest rate 4.84%  
September 2027    
Debt Instrument [Line Items]    
Federal Home Loan Bank Borrowings $ 25,000,000  
Federal home loan bank, advances, branch of fhlb bank, interest rate 4.78%  
March 2028    
Debt Instrument [Line Items]    
Federal Home Loan Bank Borrowings $ 25,000,000  
Federal home loan bank, advances, branch of fhlb bank, interest rate 4.73%  
September 2028    
Debt Instrument [Line Items]    
Federal Home Loan Bank Borrowings $ 25,000,000  
Federal home loan bank, advances, branch of fhlb bank, interest rate 4.69%