Organization and Business - Additional Information (Detail) - Jun. 30, 2015 - Project	Total
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of residential projects before merger	3
Percentage of ownership interest before merger	23.00%

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant