SECURITIES - AMORTIZED COST, CARRYING AMOUNT AND FAIR VALUE DISCLOSURES (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022
Debt Securities, Available-for-sale [Line Items]
Trading - Fair Value	$ 400	$ 1,758
Amortized Cost	286,731	265,867
Unrealized Gains	1,654	1,972
Unrealized Losses	(8,773)	(5,321)
Fair Value	279,612	262,518
U.S. agencies
Debt Securities, Available-for-sale [Line Items]
Trading - Fair Value	0	0
Amortized Cost	25,620	27,722
Unrealized Gains	0	9
Unrealized Losses	(2,838)	(2,406)
Fair Value	22,782	25,325
Non-agency
Debt Securities, Available-for-sale [Line Items]
Trading - Fair Value	0	0
Amortized Cost	210,487	187,616
Unrealized Gains	1,508	1,832
Unrealized Losses	(5,695)	(2,634)
Fair Value	206,300	186,814
Total MBS
Debt Securities, Available-for-sale [Line Items]
Trading - Fair Value	0	0
Amortized Cost	236,107	215,338
Unrealized Gains	1,508	1,841
Unrealized Losses	(8,533)	(5,040)
Fair Value	229,082	212,139
Municipal debt
Debt Securities, Available-for-sale [Line Items]
Trading - Fair Value	400	1,758
Amortized Cost	3,624	3,529
Unrealized Gains	0	0
Unrealized Losses	(240)	(281)
Fair Value	3,384	3,248
Asset-backed securities and structured notes
Debt Securities, Available-for-sale [Line Items]
Trading - Fair Value	0	0
Amortized Cost	47,000	47,000
Unrealized Gains	146	131
Unrealized Losses	0	0
Fair Value	47,146	47,131
Total Non-MBS
Debt Securities, Available-for-sale [Line Items]
Trading - Fair Value	400	1,758
Amortized Cost	50,624	50,529
Unrealized Gains	146	131
Unrealized Losses	(240)	(281)
Fair Value	$ 50,530	$ 50,379

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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Amount, before tax, of unrealized loss 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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Amortized cost excluding accrued interest, after allowance for credit loss, of 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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Amount excluding accrued interest, of 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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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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