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Land and Development - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Property, Plant and Equipment [Line Items]        
Equity interest (as a percent)   50.00%   50.00%
Real estate transaction price       $ 34,300
Payments to acquire land and develop asset       7,300
Assumption of loan in acquisition transaction       27,000
Revenues $ 115,054 $ 145,338 $ 384,930 350,608
Impairment of assets 0 0 6,491 4,953
Land and development asset        
Property, Plant and Equipment [Line Items]        
Impairment of assets     1,500 1,100
Land development revenue        
Property, Plant and Equipment [Line Items]        
Revenues 20,502 54,918 116,254 76,691
Cost of sales expense $ 21,358 $ 48,101 $ 114,704 $ 71,785