Quarterly report pursuant to Section 13 or 15(d)

Rental Revenue (Details)

v3.8.0.1
Rental Revenue (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Sales Revenue, Net [Member]        
Concentration Risk, Percentage 4.00%   4.00%  
Plano Facility [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage 5.00% 17.00% 6.00% 17.00%
Omaha facility [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage 6.00% 22.00% 7.00% 26.00%
Tennessee facilities [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage   18.00% 6.00% 21.00%
Pittsburgh facility [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage       13.00%
All Other Facilities [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage 38.00%   35.00%  
Asheville facility [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage   3.00%    
West Mifflin And Asheville Facilities [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage   11.00%    
Melbourne Facility [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage   15.00%   12.00%
Westland Facility [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage   6.00%   4.00%
Reading Facility [Member]        
Concentration Risk, Percentage   8.00%    
Reading Facility [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage       3.00%
HealthSouth Facilities [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage 18.00%   22.00%  
OCOM facilities [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage 15.00%   12.00%  
Great Bend Facility [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage 8.00%   7.00%  
Marina Towers Fcility [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage     5.00%  
Sherman facility [Member] | Sales Revenue, Net [Member]        
Concentration Risk, Percentage 10.00%