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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Additional Information (Detail) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($) Instrument	Mar. 31, 2022 USD ($)	Mar. 31, 2023 USD ($) Instrument	Mar. 31, 2022 USD ($)	Mar. 31, 2024 USD ($)	Jun. 30, 2022 USD ($)
Derivative [Line Items]
Reclassifications to interest expense	$ 6,461	$ (1,268)	$ 12,185	$ (4,271)
Derivative liability	7,700		7,700
Cash Collateral Received (Posted)	(6,130)		(6,130)
Interest rate contracts	7,847		7,847
Interest Rate Contract
Derivative [Line Items]
Cash Collateral Received (Posted)	(6,130)		(6,130)
Interest rate contracts	7,847		7,847
Interest Expense
Derivative [Line Items]
Estimated cash flow hedge gain (loss) to be reclassified in next twelve months			(25,900)
Interest Income
Derivative [Line Items]
Reclassifications to interest expense	0		0
Interest Income \| Scenario Forecast [Member]
Derivative [Line Items]
Estimated cash flow hedge gain (loss) to be reclassified in next twelve months					$ 196
Loan Origination Commitments
Derivative [Line Items]
Pipeline of loans held-for-sale	$ 14,900		$ 14,900			$ 20,300
Cash Flow Hedges \| Interest Rate Swaps
Derivative [Line Items]
Number of interest rate derivative instruments held \| Instrument	12		12
Derivative, notional amount	$ 1,330,000		$ 1,330,000
Cash Flow Hedges \| Interest Rate Floor
Derivative [Line Items]
Number of interest rate derivative instruments held \| Instrument	1		1
Derivative, notional amount	$ 100,000		$ 100,000
Cash Flow Hedges \| Interest Expense
Derivative [Line Items]
Reclassifications to interest expense	$ (6,500)		$ (12,200)
Fair Value Hedging \| Interest Rate Swaps
Derivative [Line Items]
Number of interest rate derivative instruments held \| Instrument	3		3
Derivative, notional amount	$ 500,000		$ 500,000