FAIR VALUE - QUANTITATIVE INFORMATION FOR LEVEL 3 FAIR VALUE MEASURMENTS (RECURRING) (Details) $ in Thousands	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	$ 262,518	$ 187,335
Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	$ 186,814	67,615
Discount Rate \| Minimum \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.0273
Discount Rate \| Maximum \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.0928
Level 3
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	$ 186,814	67,615
Mortgage servicing rights, Fair Value	25,213	17,911
Fair Value, Measurements, Recurring
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	262,518	187,335
Mortgage servicing rights, Fair Value	25,213	17,911
Fair Value, Measurements, Recurring \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	186,814	67,615
Fair Value, Measurements, Recurring \| Level 3
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	186,814	67,615
Mortgage servicing rights, Fair Value	25,213	17,911
Fair Value, Measurements, Recurring \| Level 3 \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	186,814	67,615
Fair Value, Measurements, Recurring \| Level 3 \| Mortgage Servicing Rights
Fair Value, Option, Quantitative Disclosures [Line Items]
Mortgage servicing rights, Fair Value	25,213	17,911
Fair Value, Measurements, Recurring \| Level 3 \| Derivative Instruments, net
Fair Value, Option, Quantitative Disclosures [Line Items]
Derivative assets, Fair Value	$ 464	$ 2,205
Fair Value, Measurements, Recurring \| Level 3 \| Projected Constant Prepayment Rate \| Minimum \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.0	0.000
Fair Value, Measurements, Recurring \| Level 3 \| Projected Constant Prepayment Rate \| Minimum \| Mortgage Servicing Rights
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	0.079	0.075
Fair Value, Measurements, Recurring \| Level 3 \| Projected Constant Prepayment Rate \| Maximum \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.300	0.250
Fair Value, Measurements, Recurring \| Level 3 \| Projected Constant Prepayment Rate \| Maximum \| Mortgage Servicing Rights
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	0.563	0.374
Fair Value, Measurements, Recurring \| Level 3 \| Projected Constant Prepayment Rate \| Weighted Average \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.214	0.027
Fair Value, Measurements, Recurring \| Level 3 \| Projected Constant Prepayment Rate \| Weighted Average \| Mortgage Servicing Rights
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	0.110	0.115
Fair Value, Measurements, Recurring \| Level 3 \| Projected Constant Default Rate \| Minimum \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.0	0.000
Fair Value, Measurements, Recurring \| Level 3 \| Projected Constant Default Rate \| Maximum \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.079	0.056
Fair Value, Measurements, Recurring \| Level 3 \| Projected Constant Default Rate \| Weighted Average \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.022	0.006
Fair Value, Measurements, Recurring \| Level 3 \| Projected Loss Severity \| Minimum \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.0	0.000
Fair Value, Measurements, Recurring \| Level 3 \| Projected Loss Severity \| Maximum \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.684	1.000
Fair Value, Measurements, Recurring \| Level 3 \| Projected Loss Severity \| Weighted Average \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.267	0.194
Fair Value, Measurements, Recurring \| Level 3 \| Discount Rate \| Minimum \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.027	0.027
Fair Value, Measurements, Recurring \| Level 3 \| Discount Rate \| Minimum \| Mortgage Servicing Rights
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	0.095	0.095
Fair Value, Measurements, Recurring \| Level 3 \| Discount Rate \| Maximum \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.093	0.072
Fair Value, Measurements, Recurring \| Level 3 \| Discount Rate \| Maximum \| Mortgage Servicing Rights
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	0.115	0.130
Fair Value, Measurements, Recurring \| Level 3 \| Discount Rate \| Weighted Average \| Securities – Non-agency MBS
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale securities, measurement input	0.028	0.031
Fair Value, Measurements, Recurring \| Level 3 \| Discount Rate \| Weighted Average \| Mortgage Servicing Rights
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	0.095	0.096
Fair Value, Measurements, Recurring \| Level 3 \| Life (in years) \| Minimum \| Mortgage Servicing Rights
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	1.2	1.7
Fair Value, Measurements, Recurring \| Level 3 \| Life (in years) \| Maximum \| Mortgage Servicing Rights
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	9.9	7.5
Fair Value, Measurements, Recurring \| Level 3 \| Life (in years) \| Weighted Average \| Mortgage Servicing Rights
Fair Value, Option, Quantitative Disclosures [Line Items]
Servicing asset, measurement input	8.4	6.4
Fair Value, Measurements, Recurring \| Level 3 \| Projected Sales Profit of Underlying Loans \| Minimum \| Derivative Instruments, net
Fair Value, Option, Quantitative Disclosures [Line Items]
Derivative asset, net, measurement input	(0.031)	0.002
Fair Value, Measurements, Recurring \| Level 3 \| Projected Sales Profit of Underlying Loans \| Maximum \| Derivative Instruments, net
Fair Value, Option, Quantitative Disclosures [Line Items]
Derivative asset, net, measurement input	0.008	0.005
Fair Value, Measurements, Recurring \| Level 3 \| Projected Sales Profit of Underlying Loans \| Weighted Average \| Derivative Instruments, net
Fair Value, Option, Quantitative Disclosures [Line Items]
Derivative asset, net, measurement input	(0.012)	0.003

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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