Note 3 - Securities - Amortized Cost and Fair Value of Securities Available-for-sale and Securities Held-to-maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jun. 30, 2022
Available-for-sale securities, amortized cost	$ 325,820	$ 324,329
Available-for-sale securities, gross unrealized gains	146	143
Available-for-sale securities, gross unrealized losses	(38,824)	(28,125)
Available-for-sale securities, fair value	287,142	296,347
Held-to-maturity, amortized cost	7,338	7,874
Held-to-maturity, fair value	6,911	7,831
US Treasury Securities [Member]
Available-for-sale securities, amortized cost	8,925	8,909
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(604)	(462)
Available-for-sale securities, fair value	8,321	8,447
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, amortized cost	106,075	105,977
Available-for-sale securities, gross unrealized gains	119	129
Available-for-sale securities, gross unrealized losses	(10,259)	(8,749)
Available-for-sale securities, fair value	95,935	97,357
Held-to-maturity, amortized cost	7,338	7,874
Held-to-maturity, gross unrecognized gains	0	47
Held-to-maturity, gross unrecognized losses	(427)	(90)
Held-to-maturity, fair value	6,911	7,831
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale securities, amortized cost	27,783	28,689
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(3,751)	(2,424)
Available-for-sale securities, fair value	24,032	26,265
Residential Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	108,903	113,812
Available-for-sale securities, gross unrealized gains	5	13
Available-for-sale securities, gross unrealized losses	(15,670)	(11,642)
Available-for-sale securities, fair value	93,238	102,183
Commercial Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	8,613	8,623
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(1,860)	(1,322)
Available-for-sale securities, fair value	6,753	7,301
Collateralized Mortgage Obligations [Member]
Available-for-sale securities, amortized cost	48,249	40,952
Available-for-sale securities, gross unrealized gains	22	1
Available-for-sale securities, gross unrealized losses	(5,187)	(2,774)
Available-for-sale securities, fair value	43,084	38,179
Other Debt Obligations [Member]
Available-for-sale securities, amortized cost	17,272	17,367
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(1,493)	(752)
Available-for-sale securities, fair value	$ 15,779	$ 16,615

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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