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Basis of Presentation - Additional Information (Detail)
9 Months Ended
Mar. 31, 2022
USD ($)
Subsidiary
Jun. 30, 2021
USD ($)
Basis Of Presentation [Line Items]    
Number of subsidiaries | Subsidiary 2  
Assets held for sale sold $ 398,000  
Gain on sale of premises [1] 548,000  
Other Assets [Member]    
Basis Of Presentation [Line Items]    
Assets held-for-sale $ 1,500,000 $ 1,500,000
[1] Not within the scope of ASC 606.