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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2018
Accounting Policies [Abstract]  
Summary of Estimated Useful Lives
The Company anticipates the estimated useful lives of its assets by class to be generally as follows:
Buildings
 
25-40 years
Building improvements
 
10-25 years
Tenant improvements
 
Shorter of lease term or expected useful life
Integral equipment, furniture and fixtures
 
5 years
Identified intangible assets
 
Shorter of lease term or expected useful life