Quarterly report pursuant to Section 13 or 15(d)

Property Portfolio (Details)

v3.10.0.1
Property Portfolio (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Mar. 02, 2018
Mar. 22, 2018
Feb. 23, 2018
Feb. 09, 2018
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Apr. 19, 2018
Jan. 24, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]                      
Depreciation, Total         $ 3,445 $ 1,851 $ 6,351 $ 3,197      
Property, Plant and Equipment, Additions             130,502        
Payments for (Proceeds from) Productive Assets             124,874 $ 148,474      
Tenant Improvement Allowances Receivable         19,036   19,036        
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest         64,051   64,051        
Other Assets         2,283   $ 2,283       $ 459
Lease Intangibles Asset [Member]                      
Property, Plant and Equipment [Line Items]                      
Finite-Lived Intangible Asset, Useful Life             7 years 8 months 23 days        
Lease Intangibles Liability [Member]                      
Property, Plant and Equipment [Line Items]                      
Finite-Lived Intangible Asset, Useful Life             9 years 3 months 22 days        
Construction in Progress [Member]                      
Property, Plant and Equipment [Line Items]                      
Other Assets         2,036   $ 2,036        
Lubbock Facility [Member] | Operating Partnership Units [Member]                      
Property, Plant and Equipment [Line Items]                      
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable             886        
Moline Facility [Member]                      
Property, Plant and Equipment [Line Items]                      
Lessor, Operating Lease, Term of Contract                   10 years  
Gainesville Facility [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Additions     $ 10,500       10,510        
Lessor, Operating Lease, Renewal Term                   5 years  
Lessor, Operating Lease, Term of Contract     12 years                
Dallas Facility [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Additions $ 23,300           23,284        
Orlando Facilities [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Additions   $ 16,400                  
Lessor, Operating Lease, Renewal Term   10 years                  
Belpre Portfolio [Member]                      
Property, Plant and Equipment [Line Items]                      
Lessee, Operating Lease, Description   one lease has approximately six years remaining in its initial term, with three consecutive five-year renewal options; one lease has approximately six years remaining in its initial term, with four consecutive five-year renewal options; one lease has approximately six years remaining in its initial term, with three consecutive five-year renewal options; and one lease was amended at closing to extend the remaining term to five years with four consecutive five-year renewal options.                  
Belpre Facility [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Additions             64,697        
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable             4,742        
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest                 $ 64,100    
Operating Lease, Weighted Average Remaining Lease Term                 11 years 4 months 6 days    
Moline Silvis Facilities [Member]                      
Property, Plant and Equipment [Line Items]                      
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest         $ 6,900   6,900        
Sherman, Silvis, and Gainesville Facilities [Member]                      
Property, Plant and Equipment [Line Items]                      
Allowance for Tenant Improvements             $ 2,954        
Fremont Facility [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Additions       $ 8,500              
Lessor, Operating Lease, Term of Contract       12 years