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Supplemental Disclosure of Cash Flow Information - Additional Information (Details)
$ in Millions
3 Months Ended
Jun. 30, 2019
USD ($)
community
Aug. 31, 2020
community
Related Party Transaction [Line Items]    
Number of communities owned | community   16
Joint venture    
Related Party Transaction [Line Items]    
Payments to acquire interest in joint venture | $ $ 13.3  
Number of communities owned | community 3  
Notes receivable | $ $ 6.6  
Percentage ownership 50.00%