Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

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LOANS RECEIVABLE - Amortized Cost of Loans to Borrowers, Modified (Details) - Commercial - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period	$ 24,678	$ 7,181	$ 27,807	$ 34,004
Payment Delay
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period	0	7,181	3,129	31,398
Term Extension
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period	0	0	0	0
Payment Delay, Term Extension, and Interest Rate Reductions
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period	24,678	0	24,678	2,606
Multi-family mortgage
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period	$ 24,678	$ 7,137	$ 27,091	$ 33,787
Financing receivable, percent of total class	0.97%	0.26%	1.06%	1.24%
Multi-family mortgage \| Payment Delay
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period	$ 0	$ 7,137	$ 2,413	$ 31,181
Multi-family mortgage \| Term Extension
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period	0	0	0	0
Multi-family mortgage \| Payment Delay, Term Extension, and Interest Rate Reductions
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period	$ 24,678	0	24,678	2,606
Nonresidential mortgage
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period				$ 173
Financing receivable, percent of total class				0.02%
Nonresidential mortgage \| Payment Delay
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period				$ 173
Nonresidential mortgage \| Term Extension
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period				0
Nonresidential mortgage \| Payment Delay, Term Extension, and Interest Rate Reductions
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period				0
Commercial business
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period		$ 44	$ 716	$ 44
Financing receivable, percent of total class		0.03%	0.36%	0.03%
Commercial business \| Payment Delay
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period		$ 44	$ 716	$ 44
Commercial business \| Term Extension
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period		0	0	0
Commercial business \| Payment Delay, Term Extension, and Interest Rate Reductions
Financing Receivable Modifications [Line Items]
Financing receivable, modified in period		$ 0	$ 0	$ 0