XML 52 R40.htm IDEA: XBRL DOCUMENT v3.10.0.1
Revenue Recognition (Narrative) (Details)
3 Months Ended 5 Months Ended 9 Months Ended
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Apr. 26, 2018
USD ($)
Disaggregation of Revenue [Line Items]            
Number of primary revenue sources       2    
Revenue recognized $ 6,487,000 $ 4,556,000   $ 13,747,000 $ 7,945,000  
Revenue recognized from performance obligations satisfied in prior periods $ 0 $ 0   $ 0 $ 0  
GHO Homes            
Disaggregation of Revenue [Line Items]            
Customer deposits acquired           $ 9,073,000
Homebuyers            
Disaggregation of Revenue [Line Items]            
Duration of contract with customer (less than) 1 year   1 year 1 year    
Residential Real Estate [Member] | Individual Counterparty [Member] | GHO Homes            
Disaggregation of Revenue [Line Items]            
Revenue recognized $ 2,500,000   $ 4,500,000