Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.8.0.1
Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 2 Months Ended 12 Months Ended
Mar. 07, 2018
Mar. 05, 2018
Mar. 31, 2018
Mar. 01, 2018
Dec. 31, 2017
Dec. 31, 2016
Mar. 06, 2018
Jan. 24, 2018
Sep. 15, 2017
Feb. 01, 2017
Subsequent Event [Line Items]                    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net, Total                   $ 4,880
Share-based Compensation Arrangement by Share-based Payment Award, Employee Subscription Rate After Performance Period         The number of LTIP units earned under the Long-Term Awards will be determined as soon as reasonably practicable following the end of the three-year performance period based on the Companys TSR on an absolute basis (as to 75% of the Long-Term Award) and relative to the SNL Healthcare REIT Index (as to 25% of the Long-Term Award).          
Long-term Line of Credit         $ 164,900 $ 27,700        
Preferred Stock, Par or Stated Value Per Share         $ 0.001 $ 0.001        
Operating Leases, Future Minimum Payments Receivable, Total         $ 427,290          
Property, Plant and Equipment, Additions         $ 264,630 [1] $ 150,739 [2]        
Series A Preferred Stock [Member]                    
Subsequent Event [Line Items]                    
Preferred Stock, Par or Stated Value Per Share                 $ 0.001  
2018 Long term awards [Member] | Share-based Compensation Award, Tranche One [Member]                    
Subsequent Event [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage         50.00%          
2018 Long term awards [Member] | Share-based Compensation Award, Tranche Two [Member]                    
Subsequent Event [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage         50.00%          
Subsequent Event [Member]                    
Subsequent Event [Line Items]                    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net, Total             $ 64,200 $ 16,200    
Common Stock, Dividends, Per Share, Declared $ 0.20                  
Dividends Payable, Date of Record Mar. 22, 2018                  
Dividends Payable, Date to be Paid Apr. 10, 2018                  
Line of Credit Facility, Maximum Borrowing Capacity     $ 340,000              
Line of Credit Facility, Increase (Decrease), Net     $ 90,000              
Portfolio Leased Percentage             100.00% 100.00%    
Operating Leases, Future Minimum Payments Receivable, Total             $ 5,000 $ 1,300    
Property, Plant and Equipment, Additions       $ 48,400            
Subsequent Event [Member] | Series A Preferred Stock [Member]                    
Subsequent Event [Line Items]                    
Dividends Payable, Date of Record Apr. 15, 2018                  
Dividends Payable, Date to be Paid Apr. 30, 2018                  
Preferred Stock, Dividends Per Share, Declared $ 0.46875                  
Preferred Stock, Par or Stated Value Per Share $ 0.001                  
Subsequent Event [Member] | Share-based Compensation Award, Tranche One [Member]                    
Subsequent Event [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   50.00%                
Subsequent Event [Member] | Share-based Compensation Award, Tranche Two [Member]                    
Subsequent Event [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   50.00%                
Subsequent Event [Member] | 2018 Long term awards [Member]                    
Subsequent Event [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate   200.00%                
Share-based Compensation Arrangement by Share-based Payment Award, Employee Subscription Rate After Performance Period   The number of LTIP Units earned under theLong-Term Performance-Based Awards will be determined as soon as reasonably practicable following the end of the three-year performance period based on the Companys TSR on an absolute basis (as to 75% of the Long-Term Performance-BasedAward) and relative to the SNL Healthcare REIT Index (as to 25% of the Long-Term Performance-BasedAward).                
[1] The Lubbock and Moline facility acquisitions included an aggregate of approximately $11,300 of OP Units issued as part of the total consideration. Additionally, an aggregate of $1,110 of intangible liabilities were acquired from the acquisitions that occurred during the year ended December 31, 2017, resulting in total gross investments funded using cash of $252,220
[2] An aggregate of $280 of intangible liabilities were acquired from the acquisitions that occurred during the year ended December 31, 2016, resulting in total gross investments funded using cash of $150,459.