Capitalized Interest and Real Estate Taxes - Summary of Interest and Real Estate Taxes Expensed in Consolidated Statement of Operations (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Real Estate Investment Property, at Cost [Abstract]
Interest incurred and expensed from entity level borrowings	$ 154		$ 317
Interest incurred and expensed for inactive projects			4
Real estate taxes incurred and expensed for inactive projects	2	$ 3	5	$ 5
Interest and real estate tax expense	$ 156	$ 3	$ 326	$ 5

The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.3)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration