Fair Value Measurements - Impaired Loans Remeasured and Reported at Fair Value of Underlying Collateral (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Level 2 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Carrying value of impaired loans before allocations	$ 19,064	$ 5,454
Impaired Financing Receivable, Related Allowance	(1,300)	(1,327)
Loans receivable, fair value disclosure	17,764	4,127
Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Carrying value of impaired loans before allocations	20,171	3,614
Impaired Financing Receivable, Related Allowance	(2,100)
Impaired Financing Receivable, Reversal of Specific Valuation Allowance Allocations		6,877
Loans receivable, fair value disclosure	$ 18,071	$ 10,491