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Subsequent Events (Details) - USD ($)
$ in Millions
9 Months Ended
Nov. 04, 2016
Sep. 30, 2016
Oct. 26, 2016
Shoreline Medical Building [Member]      
Subsequent Event [Line Items]      
Maturity date [1]   Jun. 01, 2022  
Subsequent Event [Member] | Shoreline Medical Building [Member]      
Subsequent Event [Line Items]      
Asset purchase price     $ 8.2
Subsequent Event [Member] | Research Parkway Building [Member]      
Subsequent Event [Line Items]      
Principal balance on the loan $ 2.0    
Maturity date Jan. 05, 2025    
Loan interest rate 3.94%    
[1] Interest rate subject to resetting on the 6th loan anniversary.