Note 7 - Accumulated Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands		3 Months Ended
		Sep. 30, 2025		Sep. 30, 2024
Accumulated other comprehensive income (loss), before tax		$ (28,549)		$ (35,864)
Accumulated other comprehensive income (loss), tax		5,995		7,532
Accumulated other comprehensive income (loss), net		(22,554)		(28,332)
Unrealized gains arising during the period		4,178		9,813
Unrealized holding losses on available-for-sale securities arising during the period, tax		(877)		(2,062)
Unrealized holding losses on available-for-sale securities arising during the period, net		3,301		7,751
Reclassification adjustment for net gains included in income		(3)	[1],[2]	0
Accumulated other comprehensive income (loss), before tax		(24,374)		(26,051)
Amounts reclassified from accumulated other comprehensive income, tax	[1],[2]	1
Accumulated other comprehensive income (loss), tax		5,119		5,470
Amounts reclassified from accumulated other comprehensive income, net	[1],[2]	(2)
Accumulated other comprehensive income (loss), net		(19,255)		(20,581)
Net current period other comprehensive loss, before tax		4,175
Net current period other comprehensive loss, tax		(876)
Other comprehensive income		$ 3,299		$ 7,751

[1] Income tax expense

[2] Securities gains, net