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Land Acquisition - Additional Information (Detail) - Promissory Note [Member] - Land
$ in Thousands
9 Months Ended
Mar. 31, 2020
a
Nov. 01, 2019
USD ($)
Sep. 30, 2019
USD ($)
Business Acquisition [Line Items]      
Promissory note receivable term 5 years    
Promissory note maturity date 2019-10    
Area of real property non-recourse mortgaged for notes receivable | a 24.74    
Real property conveyed date Nov. 01, 2019    
Estimated value of the note receivable     $ 371
Value of property at conveyance   $ 371