Quarterly report pursuant to Section 13 or 15(d)

Property Portfolio (Details)

v3.8.0.1
Property Portfolio (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended
Mar. 02, 2018
Apr. 19, 2018
Mar. 22, 2018
Feb. 23, 2018
Feb. 09, 2018
Jan. 24, 2018
Mar. 31, 2018
Mar. 31, 2017
Property, Plant and Equipment [Line Items]                
Depreciation, Total             $ 2,906 $ 1,346
Property, Plant and Equipment, Additions   $ 64,200         65,804  
Payments for (Proceeds from) Productive Assets             65,565 $ 108,067
Tenant Improvement Allowances Receivable             $ 19  
Lease Intangibles Asset [Member]                
Property, Plant and Equipment [Line Items]                
Finite-Lived Intangible Asset, Useful Life             7 years 4 months 2 days  
Lease Intangibles Liability [Member]                
Property, Plant and Equipment [Line Items]                
Finite-Lived Intangible Asset, Useful Life             8 years 6 months 4 days  
Lubbock Facility [Member] | Operating Partnership Units [Member]                
Property, Plant and Equipment [Line Items]                
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable             $ 239  
Moline Facility [Member]                
Property, Plant and Equipment [Line Items]                
Lessor Leasing Arrangements, Operating Leases, Term of Contract           10 years    
Gainesville Facility [Member]                
Property, Plant and Equipment [Line Items]                
Lessor Leasing Arrangements, Operating Leases, Renewal Term       5 years        
Lessor Leasing Arrangements, Operating Leases, Term of Contract       12 years        
Property, Plant and Equipment, Additions       $ 10,500        
Dallas Facility [Member]                
Property, Plant and Equipment [Line Items]                
Property, Plant and Equipment, Additions $ 23,300              
Orlando Facilities [Member]                
Property, Plant and Equipment [Line Items]                
Lessor Leasing Arrangements, Operating Leases, Renewal Term     10 years          
Property, Plant and Equipment, Additions     $ 16,400          
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.          
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  
Sherman, Silvis, and Gainesville Facilities [Member]                
Property, Plant and Equipment [Line Items]                
Allowance for Tenant Improvements             $ 3,000  
Fremont Facility [Member]                
Property, Plant and Equipment [Line Items]                
Lessor Leasing Arrangements, Operating Leases, Term of Contract         12 years      
Property, Plant and Equipment, Additions         $ 8,500