Annual report [Section 13 and 15(d), not S-K Item 405]

Note 8 - Borrowed Funds (Details Textual)

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Note 8 - Borrowed Funds (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2024
Mar. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged     $ 460,800  
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Puttable Option to Call Advances, Earliest Time After Issuance (Month)     6 months  
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Puttable Option to Call Advances, Latest Time After Issuance (Month)     12 months  
Advance from Federal Home Loan Bank     $ 65,000 $ 0
Line of Credit Facility, Remaining Borrowing Capacity     687,400  
Federal Home Loan Bank of Indianapolis [Member]        
Line of Credit Facility, Maximum Borrowing Capacity     25,000  
Long-Term Line of Credit     $ 0 $ 0
Bank Term Funding Program (BTFP) [Member]        
Proceeds from Short-Term Debt   $ 80,000    
Repayments of Short-Term Debt $ 60,000