XML 32 R21.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2018
Accounting Policies [Abstract]  
Schedule of Property, Plant and Equipment
Depreciation and amortization are determined using the straight-line method over the estimated useful lives described in the table below:
 
 
Category
 
Terms
 
 
 
 
 
Buildings and improvements
 
10 - 39 years
 
Tenant improvements
 
Shorter of remaining term of the lease or useful life