INVESTMENT SECURITIES - Amortized Cost and Estimated Fair Value (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Securities available for sale
Amortized Cost	$ 496,508	$ 264,379
Gross Unrealized Gains	524	512
Gross Unrealized Losses	(15,242)	(289)
Estimated Fair Value	481,790	264,602
Securities held to maturity:
Amortized cost	23,952	10,878
Gross Unrealized Gains		61
Gross Unrealized Losses	(1,485)	(20)
Estimated fair value	22,467	10,919
Equity securities:
Amortized Cost	1,040	1,463
Gross Unrealized Gains	999	1,416
Equity securities, at fair value	2,039	2,879
U.S. Government and agency obligations
Securities available for sale
Amortized Cost	380,708	216,155
Gross Unrealized Gains	143	121
Gross Unrealized Losses	(15,005)	(235)
Estimated Fair Value	365,846	216,041
Corporate debt securities
Securities held to maturity:
Amortized cost	20,000	7,000
Gross Unrealized Losses	(1,349)	(20)
Estimated fair value	18,651	6,980
Municipal obligations
Securities available for sale
Amortized Cost	115,480	47,800
Gross Unrealized Gains	55	6
Gross Unrealized Losses	(182)	(9)
Estimated Fair Value	115,353	47,797
Securities held to maturity:
Amortized cost	3,952	3,878
Gross Unrealized Gains		61
Gross Unrealized Losses	(136)
Estimated fair value	3,816	3,939
Other debt securities
Securities available for sale
Amortized Cost	320	424
Gross Unrealized Gains	326	385
Gross Unrealized Losses	(55)	(45)
Estimated Fair Value	591	764
Common Stock
Equity securities:
Amortized Cost	1,040	1,463
Gross Unrealized Gains	999	1,416
Equity securities, at fair value	$ 2,039	$ 2,879

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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