XML 61 R50.htm IDEA: XBRL DOCUMENT v3.10.0.1
Real Estate Transactions - MSREI MOB JV (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2018
USD ($)
property
Sep. 30, 2018
USD ($)
Sep. 30, 2018
USD ($)
Dec. 31, 2017
USD ($)
property
Real Estate [Line Items]        
Number of properties acquired | property       20
Payments to acquire real estate     $ 21,000  
Net real estate   $ 10,235,700 $ 10,235,700 $ 10,731,878
MSREI JV        
Real Estate [Line Items]        
Ownership percentage (as a percent) 51.00%   51.00%  
Proceeds from contribution to a joint venture $ 298,000      
Number of properties contributed to joint venture | property 9      
Value of contributed properties $ 320,000      
Number of properties acquired | property 16      
Noncontrolling interest in VIE   298,000 $ 298,000  
Greenville Portfolio | MSREI JV        
Real Estate [Line Items]        
Payments to acquire real estate $ 285,000      
Lease term 10 years      
Percentage of rentable area leased 93.00%      
Net real estate   273,000 $ 273,000  
Intangible assets acquired   $ 20,000