Quarterly report pursuant to Section 13 or 15(d)

SELF STORAGE PROPERTY ACQUISITIONS AND DISPOSITIONS - Narrative (Details)

v3.19.3
SELF STORAGE PROPERTY ACQUISITIONS AND DISPOSITIONS - Narrative (Details)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
property
Jun. 30, 2019
property
Mar. 31, 2019
property
Sep. 30, 2019
USD ($)
property
Schedule of Asset Acquisition [Line Items]        
Number of properties acquired | property 6 24 32 62
Estimated fair value of net assets acquired       $ 415.7
Acquisition-related costs capitalized       $ 2.9
Number of self storage properties sold | property       1
Gross sales price of self storage property sold $ 6.5     $ 6.5
Gain on disposal of self storage property       $ 2.8
Assets acquired from PROs | Affiliated entity        
Schedule of Asset Acquisition [Line Items]        
Number of properties acquired | property       17
Estimated fair value of net assets acquired       $ 122.1
Assets acquired from 2016 Joint Venture | Corporate Joint Venture        
Schedule of Asset Acquisition [Line Items]        
Number of properties acquired | property       1
Estimated fair value of net assets acquired       $ 4.1
Customer in-place leases        
Schedule of Asset Acquisition [Line Items]        
Recognized fair value allocated to intangible assets       10.1
Real Estate        
Schedule of Asset Acquisition [Line Items]        
Recognized fair value allocated to real estate       $ 405.6