Note 18 - Accumulated Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Accumulated other comprehensive income (loss), before tax		$ 4,493	$ 5,393
Accumulated other comprehensive income (loss), tax		(943)	(1,133)
Accumulated other comprehensive income (loss), net		3,550	4,260
Unrealized holding loss on available-for-sale securities arising during the period, before tax		(32,469)	(886)
Unrealized holding loss on available-for-sale securities arising during the period, tax		6,818	187
Unrealized holding loss on available-for-sale securities arising during the period, net		(25,651)	(699)
Amounts reclassified from accumulated other comprehensive income, before tax	[1],[2]	(6)	(14)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax	[1],[2]	1	3
Amounts reclassified from accumulated other comprehensive income, net	[1],[2]	(5)	(11)
Net current period other comprehensive loss, before tax		(32,475)	(900)
Net current period other comprehensive loss, tax		6,819	190
Other comprehensive loss		(25,656)	(710)
Accumulated other comprehensive income (loss), before tax		(27,982)	4,493
Accumulated other comprehensive income (loss), tax		5,876	(943)
Accumulated other comprehensive income (loss), net		$ (22,106)	$ 3,550

[1] Income tax expense

[2] Securities gain, net