Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Narrative) (Details)

v3.21.1
Related Party Transactions (Narrative) (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
USD ($)
item
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Related Party Transaction [Line Items]      
Interest and other income $ 256 $ 557  
Royalty-free license agreement written notice of termination period minimum (in months) 6 months    
Number of assets owned that are maintained by Public Storage | item 2    
Property management contract written notice of termination period minimum (in days) 60 days    
Reimbursement to related party $ 200 200  
Due from related parties 100    
Property Management [Member]      
Related Party Transaction [Line Items]      
Interest and other income 100 100  
Operating expenses allocated to operating party 100 100  
Maximum [Member]      
Related Party Transaction [Line Items]      
Management fee expenses 100 100  
Costs allocated from related party 100 100  
Reimbursement from related party $ 100 $ 100  
Due to related parties     $ 100