Organization and Business - Additional Information (Detail)	12 Months Ended
Dec. 31, 2013 Project
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Number of residential projects before merger	3
Percentage of ownership interest before merger	23.00%

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

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