FAIR VALUE - ASSETS AND LIABILITIES MEASURED ON RECURRING BASIS (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
ASSETS:
Trading	$ 758	$ 1,758
Available-for-sale	232,350	262,518
Loans held for sale, carried at fair value	$ 23,203	$ 4,973	$ 29,768
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
LIABILITIES:
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accounts payable and other liabilities	Accounts payable and other liabilities
Municipal
ASSETS:
Trading	$ 758	$ 1,758
Available-for-sale	3,398	3,248
Agency MBS
ASSETS:
Trading	0	0
Available-for-sale	23,947	25,325
Securities- Available-for- Sale: Non- Agency MBS
ASSETS:
Trading	0	0
Available-for-sale	205,005	186,814
Quoted Prices in Active Markets for Identical Assets (Level 1)
ASSETS:
Trading	0	0
Available-for-sale	0	0
Loans held for sale, carried at fair value	0	0
Mortgage servicing rights	0	0
Other assets—Derivative instruments	0	0
LIABILITIES:
Accrued expense and other liabilities—Derivative instruments	0
Significant Other Observable Inputs (Level 2)
ASSETS:
Trading	758	1,758
Available-for-sale	27,345	75,704
Loans held for sale, carried at fair value	23,203	4,973
Mortgage servicing rights	0	0
Other assets—Derivative instruments	919	0
LIABILITIES:
Accrued expense and other liabilities—Derivative instruments	691
Significant Unobservable Inputs (Level 3)
ASSETS:
Trading	0	0
Available-for-sale	205,005	186,814
Loans held for sale, carried at fair value	0	0
Mortgage servicing rights	25,443	25,213
Other assets—Derivative instruments	0	464
LIABILITIES:
Accrued expense and other liabilities—Derivative instruments	0
Fair Value, Measurements, Recurring
ASSETS:
Available-for-sale	232,350	262,518
Loans held for sale, carried at fair value	23,203	4,973
Mortgage servicing rights	25,443	25,213
Other assets—Derivative instruments	919	464
LIABILITIES:
Accrued expense and other liabilities—Derivative instruments	691	0
Fair Value, Measurements, Recurring | Municipal
ASSETS:
Trading	758	1,758
Available-for-sale	3,398	3,248
Fair Value, Measurements, Recurring | Agency MBS
ASSETS:
Available-for-sale	23,947	25,325
Fair Value, Measurements, Recurring | Securities- Available-for- Sale: Non- Agency MBS
ASSETS:
Available-for-sale	205,005	186,814
Fair Value, Measurements, Recurring | Asset-backed securities and structured notes
ASSETS:
Available-for-sale	0	47,131
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
ASSETS:
Available-for-sale	27,345	75,704
Loans held for sale, carried at fair value	23,203	4,973
Mortgage servicing rights	0	0
Other assets—Derivative instruments	919	0
LIABILITIES:
Accrued expense and other liabilities—Derivative instruments	691	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Municipal
ASSETS:
Trading	758	1,758
Available-for-sale	3,398	3,248
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Agency MBS
ASSETS:
Available-for-sale	23,947	25,325
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Securities- Available-for- Sale: Non- Agency MBS
ASSETS:
Available-for-sale	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Asset-backed securities and structured notes
ASSETS:
Available-for-sale	0	47,131
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
ASSETS:
Available-for-sale	205,005	186,814
Loans held for sale, carried at fair value	0	0
Mortgage servicing rights	25,443	25,213
Other assets—Derivative instruments	0	464
LIABILITIES:
Accrued expense and other liabilities—Derivative instruments	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Municipal
ASSETS:
Trading	0	0
Available-for-sale	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Agency MBS
ASSETS:
Available-for-sale	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Securities- Available-for- Sale: Non- Agency MBS
ASSETS:
Available-for-sale	205,005	186,814
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Asset-backed securities and structured notes
ASSETS:
Available-for-sale	$ 0	$ 0