Annual report pursuant to Section 13 and 15(d)

ORGANIZATION (Details)

v3.8.0.1
ORGANIZATION (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
state
property
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Number of properties in United States | property 75    
Number of states the properties are located | state 13    
Manager      
Related Party Transaction [Line Items]      
Termination payment | $ $ (10,700) $ 0 $ 0