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Land Under Development - Additional Information (Detail)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
USD ($)
Lot
Parcel
Jun. 30, 2016
USD ($)
Lot
Parcel
Feb. 29, 2016
USD ($)
Real Estate [Abstract]      
Acquisition costs of land under development and finished lots     $ 150,000
Lots sold to unrelated party | Lot 22 56  
Amount of lots sold to unrelated parties under contract $ 6,300 $ 16,800  
Number of raw parcels of land owned | Parcel 4 4  
Carrying value of raw parcels of land $ 58,751 $ 58,751  
Number of finished lots expected to be developed from raw parcels of land | Lot 800 800  
Aggregate additional funding commitments related to raw land property under joint development $ 16,000 $ 16,000  
Expected development credits that will offset the aggregate additional funding commitments related to raw land property development   $ 9,200