FAIR VALUE - LEVEL 3 ASSETS MEASURED ON RECURRING BASIS (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Mortgage banking income	Mortgage banking income
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration]	Other comprehensive income (loss)	Other comprehensive income (loss)
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Opening Balance	$ 87,731	$ 36,423
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Total gains or losses for the period - Included in earnings	537	(11,530)
Total gains or losses for the period - Included in other comprehensive income	(3,244)	2,289
Purchases, retentions, issues, sales and settlements:
Purchases/Retentions	136,470	62,800
Settlements	(9,003)	(2,251)
Closing balance	212,491	87,731
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	537	(11,530)
Principal payments and loans that were paid down or paid off	4,100	7,200
Market-driven changes in interest rates	6,400	900
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Securities- Available-for- Sale: Non- Agency MBS
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Opening Balance	67,615	18,332
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Total gains or losses for the period - Included in earnings	0	0
Total gains or losses for the period - Included in other comprehensive income	(3,244)	2,289
Purchases, retentions, issues, sales and settlements:
Purchases/Retentions	131,446	49,245
Settlements	(9,003)	(2,251)
Closing balance	186,814	67,615
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Mortgage Servicing Rights
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Opening Balance	17,911	10,675
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Total gains or losses for the period - Included in earnings	2,278	(6,319)
Total gains or losses for the period - Included in other comprehensive income	0	0
Purchases, retentions, issues, sales and settlements:
Purchases/Retentions	5,024	13,555
Settlements	0	0
Closing balance	25,213	17,911
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	2,278	(6,319)
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Derivative Instruments, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Opening Balance	2,205	7,416
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Total gains or losses for the period - Included in earnings	(1,741)	(5,211)
Total gains or losses for the period - Included in other comprehensive income	0	0
Purchases, retentions, issues, sales and settlements:
Purchases/Retentions	0	0
Settlements	0	0
Closing balance	464	2,205
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	$ (1,741)	$ (5,211)