Derivative Instruments and Hedging Activities - Fair Values of Derivative Financial Instruments as well as Their Classification on Statement of Financial Condition (Detail) - Derivatives Designated as Hedging Instruments [Member] - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Other Assets [Member]
Derivative [Line Items]
Fair Value	$ 34,007	$ 1,832
Other Liabilities [Member]
Derivative [Line Items]
Fair Value	0	673
Interest Rate Contract [Member] | Other Assets [Member]
Derivative [Line Items]
Fair Value	34,007	1,832
Interest Rate Contract [Member] | Other Liabilities [Member]
Derivative [Line Items]
Fair Value	$ 0	$ 673