Quarterly report pursuant to Section 13 or 15(d)

ACQUISITIONS - Narrative (Details)

v3.20.1
ACQUISITIONS - Narrative (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
shares
Mar. 31, 2020
USD ($)
property
shares
Dec. 31, 2019
USD ($)
Schedule of Asset Acquisition [Line Items]      
Number of properties acquired | property   36  
Estimated fair value of net assets acquired   $ 222,800  
Acquisition-related costs capitalized   2,900  
Goodwill $ 8,182 8,182 $ 5,750
SecurCare and DLAN      
Schedule of Asset Acquisition [Line Items]      
Amount allocated to tangible fixed assets 100 100  
Goodwill 2,400 2,400  
SecurCare and DLAN | Trade name      
Schedule of Asset Acquisition [Line Items]      
Amount allocated to indefinite lived intangible assets $ 3,200 $ 3,200  
SecurCare | OP units      
Schedule of Asset Acquisition [Line Items]      
Number of units to be issued for internalization transaction | shares 348,020 348,020  
SecurCare | OP units | SecurCare and DLAN      
Schedule of Asset Acquisition [Line Items]      
Value of OP units issued in acquisition $ 10,300    
Real Estate      
Schedule of Asset Acquisition [Line Items]      
Recognized fair value allocated to real estate   $ 218,200  
Customer in-place leases      
Schedule of Asset Acquisition [Line Items]      
Recognized fair value allocated to intangible assets   4,600  
Management contract      
Schedule of Asset Acquisition [Line Items]      
Finite lived intangibles, useful life 15 years    
Management contract | SecurCare and DLAN      
Schedule of Asset Acquisition [Line Items]      
Amount allocated to finite lived intangible assets $ 4,600 $ 4,600  
Assets acquired from PROs | Affiliated entity      
Schedule of Asset Acquisition [Line Items]      
Number of properties acquired | property   1  
Estimated fair value of net assets acquired   $ 7,700