Note 7 - Federal Home Loan Bank of Indianapolis Advances - Maturities of Currently Outstanding FHLB Advances (Details) - Bullet Advances [member] - Federal Home Loan Bank of Indianapolis [Member] $ in Millions	Jun. 30, 2024 USD ($)
2024	$ 40
2025	80
2026	80
2027	100
2028	90
Thereafter	$ 10

Note 7 - Federal Home Loan Bank of Indianapolis Advances - Maturities of Currently Outstanding FHLB Advances (Details) - Bullet Advances [member] - Federal Home Loan Bank of Indianapolis [Member]
$ in Millions

Jun. 30, 2024

USD ($)

$ 40

100

$ 10