XML 58 R46.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of Significant Accounting Policies - Summary of Interest and Real Estate Taxes Expensed in Consolidated Statement of Operations (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Real Estate Investment Property, at Cost [Abstract]    
Interest incurred and expensed from entity level borrowings   $ 876
Interest incurred and expensed for inactive projects $ 41 5
Real estate taxes incurred and expensed for inactive projects   5
Interest expense real estate taxes and indirect costs related to inactive projects attributable to discontinued operations $ 41 $ 886