Quarterly report pursuant to Section 13 or 15(d)

ACQUISITIONS AND DISPOSITIONS - Narrative (Details)

v3.22.2.2
ACQUISITIONS AND DISPOSITIONS - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
property
Jun. 30, 2022
property
Mar. 31, 2022
property
Sep. 30, 2022
USD ($)
property
shares
Asset Acquisition [Line Items]        
Number of properties acquired | property 23 8 12 43
Estimated fair value of net assets acquired       $ 529.3
Acquisition-related costs capitalized       $ 4.0
Self storage property | property       1
Proceeds from sale of undeveloped land parcel       $ 6.2
Net gain on disposition       2.1
Real estate        
Asset Acquisition [Line Items]        
Recognized fair value allocated to real estate       519.8
Customer in-place leases        
Asset Acquisition [Line Items]        
Recognized fair value allocated to intangible assets       $ 9.5
Assets acquired from PROs | Affiliated entity        
Asset Acquisition [Line Items]        
Number of properties acquired | property       2
Estimated fair value of net assets acquired       $ 14.6
Northwest's Right to Property Management Contracts, Brand, Intellectual Property, Certain Tangible Assets        
Asset Acquisition [Line Items]        
Estimated fair value of net assets acquired       $ 3.2
Northwest's Right to Property Management Contracts, Brand, Intellectual Property, Certain Tangible Assets | OP units | NSA OP, LP        
Asset Acquisition [Line Items]        
Number of shares issued (in shares) | shares       46,540