Note 3 - Securities - Amortized Cost and Fair Value of Securities Available-for-sale and Securities Held-to-maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Available-for-sale securities, amortized cost	$ 303,261	$ 203,267
Available-for-sale securities, gross unrealized gains	859	5,331
Available-for-sale securities, gross unrealized losses	(15,745)	(838)
Available-for-sale securities, fair value	288,375	207,760
Held-to-maturity, amortized cost	7,020	7,996
Held-to-maturity, fair value	6,877	8,352
US Treasury Securities [Member]
Available-for-sale securities, amortized cost	8,901
Available-for-sale securities, gross unrealized gains	0
Available-for-sale securities, gross unrealized losses	(376)
Available-for-sale securities, fair value	8,525
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, amortized cost	97,144	73,013
Available-for-sale securities, gross unrealized gains	783	3,561
Available-for-sale securities, gross unrealized losses	(3,644)	(75)
Available-for-sale securities, fair value	94,283	76,499
Held-to-maturity, amortized cost	7,020	7,996
Held-to-maturity, gross unrecognized gains	20	356
Held-to-maturity, gross unrecognized losses	(163)	0
Held-to-maturity, fair value	6,877	8,352
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale securities, amortized cost	27,883	14,746
Available-for-sale securities, gross unrealized gains	11	301
Available-for-sale securities, gross unrealized losses	(1,348)	(14)
Available-for-sale securities, fair value	26,546	15,033
Residential Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	113,267	90,065
Available-for-sale securities, gross unrealized gains	51	1,136
Available-for-sale securities, gross unrealized losses	(7,291)	(684)
Available-for-sale securities, fair value	106,027	90,517
Commercial Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	8,627	8,641
Available-for-sale securities, gross unrealized gains	0	204
Available-for-sale securities, gross unrealized losses	(840)	0
Available-for-sale securities, fair value	7,787	8,845
Collateralized Mortgage Obligations [Member]
Available-for-sale securities, amortized cost	30,025	16,302
Available-for-sale securities, gross unrealized gains	8	129
Available-for-sale securities, gross unrealized losses	(1,645)	(57)
Available-for-sale securities, fair value	28,388	16,374
Other Debt Obligations [Member]
Available-for-sale securities, amortized cost	17,414	500
Available-for-sale securities, gross unrealized gains	6	0
Available-for-sale securities, gross unrealized losses	(601)	(8)
Available-for-sale securities, fair value	$ 16,819	$ 492

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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