FAIR VALUE - SCHEDULE OF QUANTITATIVE INFORMATION FOR LEVEL 3 FAIR VALUE MEASURMENTS (RECURRING) (Details) $ in Thousands	Jun. 30, 2024 USD ($) a year	Jun. 30, 2023 USD ($) year
Fair Value, Option, Quantitative Disclosures [Line Items]
Securities – Non-agency MBS	$ 141,611	$ 232,350
Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Securities – Non-agency MBS	110,928	205,005
Level 3
Fair Value, Option, Quantitative Disclosures [Line Items]
Securities – Non-agency MBS	110,928	205,005
Servicing Rights	28,924	25,443
Recurring
Fair Value, Option, Quantitative Disclosures [Line Items]
Securities – Non-agency MBS	141,611	232,350
Servicing Rights	28,924	25,443
Recurring | Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Securities – Non-agency MBS	110,928	205,005
Recurring | Level 3
Fair Value, Option, Quantitative Disclosures [Line Items]
Securities – Non-agency MBS	110,928	205,005
Servicing Rights	28,924	25,443
Recurring | Level 3 | Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Securities – Non-agency MBS	$ 110,928	$ 205,005
Recurring | Level 3 | Securities – Non-agency MBS | Projected Constant Prepayment Rate | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.000	0.000
Recurring | Level 3 | Securities – Non-agency MBS | Projected Constant Prepayment Rate | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.721	0.597
Recurring | Level 3 | Securities – Non-agency MBS | Projected Constant Prepayment Rate | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.380	0.320
Recurring | Level 3 | Securities – Non-agency MBS | Projected Constant Default Rate | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.000	0.000
Recurring | Level 3 | Securities – Non-agency MBS | Projected Constant Default Rate | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.137	0.075
Recurring | Level 3 | Securities – Non-agency MBS | Projected Constant Default Rate | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.028	0.024
Recurring | Level 3 | Securities – Non-agency MBS | Projected Loss Severity | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.000	0.000
Recurring | Level 3 | Securities – Non-agency MBS | Projected Loss Severity | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.689	0.687
Recurring | Level 3 | Securities – Non-agency MBS | Projected Loss Severity | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.329	0.285
Recurring | Level 3 | Securities – Non-agency MBS | Discount Rate | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.025	0.026
Recurring | Level 3 | Securities – Non-agency MBS | Discount Rate | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.049	0.075
Recurring | Level 3 | Securities – Non-agency MBS | Discount Rate | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.025	0.027
Recurring | Level 3 | Securities – Non-agency MBS | Credit Enhancement | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.000	0.000
Recurring | Level 3 | Securities – Non-agency MBS | Credit Enhancement | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.649	0.939
Recurring | Level 3 | Securities – Non-agency MBS | Credit Enhancement | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.228	0.209
Recurring | Level 3 | Servicing Rights
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing Rights	$ 28,924	$ 25,443
Recurring | Level 3 | Servicing Rights | Projected Constant Prepayment Rate | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	0.055	0.061
Recurring | Level 3 | Servicing Rights | Projected Constant Prepayment Rate | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	0.952	0.401
Recurring | Level 3 | Servicing Rights | Projected Constant Prepayment Rate | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	0.118	0.126
Recurring | Level 3 | Servicing Rights | Discount Rate | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	0.095	0.095
Recurring | Level 3 | Servicing Rights | Discount Rate | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	0.112	0.115
Recurring | Level 3 | Servicing Rights | Discount Rate | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	0.098	0.096
Recurring | Level 3 | Servicing Rights | Life (in years) | Minimum
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input | year	0.4	1.8
Recurring | Level 3 | Servicing Rights | Life (in years) | Maximum
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input | year	14.9	10.9
Recurring | Level 3 | Servicing Rights | Life (in years) | Weighted Average
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input | year	7.9	7.7