Note 15 - Affordable Tax Credit Partnership - Investments in Affordable Housing Projects (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration]	Accrued interest receivable and other assets	Accrued interest receivable and other assets
Investment Program Proportional Amortization Method Elected Income Tax Credit and Other Income Tax Benefit Before Amortization Statement of Cash Flows Extensible Enumeration Not Disclosed Flag	Yes	Yes
Affordable housing tax credit investment	$ 10,250	$ 10,250
Investment Program Proportional Amortization Method, Elected Income Tax Credit and Other Income Tax Benefit Before Amortization. Statement of Income or Comprehensive Income, Extensible Enumeration Not Disclosed Flag	Yes	Yes
Investment Program Proportional Amortization Method, Applied Income Tax Credit and Other Tax Benefit, Amortization, Statement of Income or Comprehensive Income, Extensible Enumeration Not Disclosed Flag	Yes	Yes
Tax credits and other tax benefits recognized	$ 463	$ 0
Less: amortization	(397)	0
Net affordable housing tax credit investment	$ 9,853	$ 10,250
Investment Program Proportional Amortization Method Applied Income Tax Credit and Other Tax Benefit Amortization Statement of Cash Flows Extensible Enumeration Not Disclosed Flag	Yes	Yes
Unfunded commitments	$ 8,279	$ 9,668
Proportional amortization expense included in provision for income taxes	$ 397	$ (0)