XML 68 R62.htm IDEA: XBRL DOCUMENT v3.24.3
Borrowings - Additional Information (Details) - USD ($)
$ in Millions
9 Months Ended
Jun. 30, 2021
Sep. 30, 2024
Dec. 31, 2023
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]      
Federal home loan bank, advances, general debt obligations, amount of available, unused funds   $ 89.8  
Federal reserve bank advances, eligible borrowing capacity   689.5  
Securities [Member]      
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]      
Federal home loan bank, advances, general debt obligations, disclosures, collateral pledged     $ 278.5
Federal reserve bank , general debt obligations, disclosures, collateral pledged   515.7 526.4
Loans [Member]      
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]      
Federal reserve bank , general debt obligations, disclosures, collateral pledged   467.6 433.2
Agricultural and Residential Real Estate [Member]      
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]      
Federal home loan bank, advances, general debt obligations, disclosures, collateral pledged   201.0 $ 191.1
Line of Credit [Member]      
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]      
Line of Credit Facility, Maximum Borrowing Capacity $ 20.0    
Long-term line of credit   $ 0.0  
Line of Credit [Member] | Minimum [Member]      
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]      
Debt instrument, basis spread on variable rate 3.25% 8.00%  
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Prime Rate [Member] Prime Rate [Member]