Derivative Instruments and Hedging Activities - Offsetting Derivatives (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Derivative [Line Items]
Gross Amount Recognized, Assets	$ 34,158	$ 6,847
Gross Amounts Offset, Assets		(5,015)
Net Amounts Presented, Assets	34,007	1,832
Net Amount, Assets	34,007	1,832
Gross Amount Recognized, Liabilities	151	5,688
Gross Amounts Offset, Liabilities	(151)	(5,015)
Net Amounts Presented, Liabilities	0	673
Gross Amounts Not Offset, Cash Collateral Posted, Liabilities	0	(673)
Interest Rate Contract [Member]
Derivative [Line Items]
Gross Amount Recognized, Assets	34,158	6,847
Gross Amounts Offset, Assets	(151)	(5,015)
Net Amounts Presented, Assets	34,007	1,832
Net Amount, Assets	34,007	1,832
Gross Amount Recognized, Liabilities	151	5,688
Gross Amounts Offset, Liabilities	(151)	(5,015)
Net Amounts Presented, Liabilities	0	673
Gross Amounts Not Offset, Cash Collateral Posted, Liabilities	$ 0	$ (673)