Land Under Development - Additional Information (Detail) $ in Thousands	3 Months Ended
	Sep. 30, 2015 USD ($) Lot Parcel
Real Estate [Abstract]
Acquisition costs of raw parcel of land	$ 36,100
Number of lots expected to produce from raw land acquisition | Lot	600
Aggregate additional funding commitments related to raw land property development	$ 20,800
Expected development credit offset amount	$ 9,600
Number of raw parcels of land owned | Parcel	4
Carrying value of raw parcels of land	$ 53,203
Number of finished lots intended to be developed from raw parcels of land | Lot	970
Letters of credit related to land under development	$ 2,200