Note 8 - Federal Home Loan Bank of Indianapolis Advances - Maturities of Currently Outstanding FHLBI Amortizing Advances (Details) - Federal Home Loan Bank of Indianapolis [Member] - Amortizing Advances [Member] $ in Thousands	Dec. 31, 2023 USD ($)
2024	$ 827
2025	862
2026	900
2027	938
2028	979
Thereafter	$ 23,404

Note 8 - Federal Home Loan Bank of Indianapolis Advances - Maturities of Currently Outstanding FHLBI Amortizing Advances (Details) - Federal Home Loan Bank of Indianapolis [Member] - Amortizing Advances [Member]
$ in Thousands

Dec. 31, 2023

USD ($)

$ 827

862

900

938

979

$ 23,404