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Business Acquisition - Bonterra (Details) - Bonterra
$ in Millions
Jul. 01, 2015
USD ($)
property
Business Acquisitions  
Acquisition price $ 99.8
Estimate of total payment for the earn-out 6.0
Consideration held as security $ 0.8
Number of primary residential lots | property 1,700
Earn-out  
Business Acquisitions  
Earn-out liability incurred $ 6.0