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LOANS RECEIVABLE - Amortized Cost of Loans to Borrowers, Modified (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period | $ 15,480 | $ 2,844 |  | $ 3,378
Payment Delay |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period | 15,480 | 2,774 |  | 3,308
Term Extension |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period | 0 | 70 |  | 70
Payment Delay, Term Extension, and Interest Rate Reductions |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period | 0 | 0 |  | 0
Commercial |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  |  | $ 27,106 |
Commercial | Payment Delay |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  |  | 24,440 |
Commercial | Term Extension |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  |  | 0 |
Commercial | Payment Delay, Term Extension, and Interest Rate Reductions |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  |  | 2,666 |
Commercial | Multi-family mortgage |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period | $ 15,480 | $ 2,774 | $ 26,928 | $ 2,774
Financing receivable, percent of total class | 0.57% | 0.10% | 0.99% | 0.10%
Commercial | Multi-family mortgage | Payment Delay |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period | $ 15,480 | $ 2,774 | $ 24,262 | $ 2,774
Commercial | Multi-family mortgage | Term Extension |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period | 0 | 0 | 0 | 0
Commercial | Multi-family mortgage | Payment Delay, Term Extension, and Interest Rate Reductions |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period | $ 0 |  | 2,666 |
Commercial | Nonresidential mortgage |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  |  | $ 178 |
Financing receivable, percent of total class |  |  | 0.02% |
Commercial | Nonresidential mortgage | Payment Delay |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  |  | $ 178 |
Commercial | Nonresidential mortgage | Term Extension |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  |  | $ 0 |
Commercial | Commercial business |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  |  |  | $ 45
Financing receivable, percent of total class |  |  |  | 0.03%
Commercial | Commercial business | Payment Delay |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  |  |  | $ 45
Commercial | Commercial business | Term Extension |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  |  |  | 0
Residential | Home equity loans |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  | $ 45 |  | $ 534
Financing receivable, percent of total class |  | 0.00% |  | 0.03%
Residential | Home equity loans | Payment Delay |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  | $ 0 |  | $ 489
Residential | Home equity loans | Term Extension |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  | 45 |  | 45
Consumer | Home equity loans |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  | $ 25 |  | $ 25
Financing receivable, percent of total class |  | 0.06% |  | 0.06%
Consumer | Home equity loans | Payment Delay |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  | $ 0 |  | $ 0
Consumer | Home equity loans | Term Extension |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Financing receivable, modified in period |  | $ 25 |  | $ 25

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