Leases - Additional Information (Detail) - USD ($)	Jun. 30, 2022	Jun. 30, 2021	Jul. 01, 2019
Lessee Lease Description [Line Items]
Operating lease liabilities	$ 1,209,000
Operating lease ROU assets	1,187,000	$ 1,251,000
Impact on retained earnings	$ 4,800,000	$ 6,809,000
Accounting Standards Codification ("ASC") 842 [Member]
Lessee Lease Description [Line Items]
Operating lease liabilities			$ 1,423,000
Operating lease ROU assets			1,423,000
Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Accounting Standards Codification ("ASC") 842 [Member]
Lessee Lease Description [Line Items]
Impact on retained earnings			$ 0