Quarterly report pursuant to Section 13 or 15(d)

SELF STORAGE PROPERTY ACQUISITIONS AND DISPOSITIONS - Narrative (Details)

v3.19.2
SELF STORAGE PROPERTY ACQUISITIONS AND DISPOSITIONS - Narrative (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
property
Mar. 31, 2019
property
Jun. 30, 2019
USD ($)
property
Business Acquisition [Line Items]      
Number of self storage properties sold     1
Acquisition-related costs capitalized     $ 2.6
Recognized fair value allocated to real estate $ 370.7   370.7
Gross selling price of self storage properties sold 6.5   6.5
Gain (loss) on disposal of self storage properties     2.8
Customer In-Place Leases      
Business Acquisition [Line Items]      
Recognized fair value allocated to intangible assets 9.2   $ 9.2
Affiliated Entity | Participating Regional Operator (PRO)      
Business Acquisition [Line Items]      
Number of properties acquired | property     21
Estimated fair value of acquired self storage properties 145.5   $ 145.5
Corporate Joint Venture | 2016 Joint Venture      
Business Acquisition [Line Items]      
Number of properties acquired | property     1
Estimated fair value of acquired self storage properties $ 4.1   $ 4.1
2019 Acquisitions      
Business Acquisition [Line Items]      
Number of properties acquired | property 24 32 56
Estimated fair value of acquired self storage properties $ 379.9   $ 379.9