Quarterly report pursuant to Section 13 or 15(d)

Organization and description of business (Details)

v3.22.2
Organization and description of business (Details)
shares in Millions, ft² in Millions
1 Months Ended 6 Months Ended
Aug. 31, 2020
multifamilyApartmentUnit
Jun. 30, 2022
ft²
park
building
multifamilyApartmentUnit
state
shares
Apr. 24, 2022
$ / shares
Organization And Description Of Business [Line Items]      
Ownership percentage of the limited partnership (as a percent)   79.10%  
Rentable area (in square feet) | ft²   26.6  
Number of states with rentable commercial space | state   6  
Number of parks | park   93  
Number of buildings | building   636  
PS Business Parks | Common Stock | Affiliates Of Blackstone Inc.      
Organization And Description Of Business [Line Items]      
Business acquisition, share price (in dollars per share) | $ / shares     $ 187.50
Managed Properties      
Organization And Description Of Business [Line Items]      
Rentable area (in square feet) | ft²   0.3  
Highgate at the Mile      
Organization And Description Of Business [Line Items]      
Number of units developed | multifamilyApartmentUnit   395  
Brentford at The Mile      
Organization And Description Of Business [Line Items]      
Number of units developed | multifamilyApartmentUnit 411 411  
PS      
Organization And Description Of Business [Line Items]      
Shares owned by public storage (in shares) | shares   7.2  
Affiliate's ownership (as a percent)   41.40%  
Aggregate shares owned if partnership units are redeemed (in shares) | shares   14.5  
Investment in Joint Venture | Highgate at the Mile      
Organization And Description Of Business [Line Items]      
Economic interest in joint venture (as a percent)   95.00%  
Investment in Joint Venture | Brentford at The Mile      
Organization And Description Of Business [Line Items]      
Economic interest in joint venture (as a percent) 98.20% 98.20%