Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Narrative) (Details)

v3.19.3
Related Party Transactions (Narrative) (Details)
 3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
item
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
item
Sep. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
Related Party Transaction [Line Items]          
Interest and other income $ 1,384,000 $ 488,000 $ 2,766,000 $ 1,066,000  
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   2    
Property management contract written notice of termination period minimum (in days)     60 days    
Management fee expenses $ 25,000 24,000 $ 74,000 72,000  
Costs allocated from related party 19,000 16,000 56,000 51,000  
Reimbursement to related party 448,000 170,000 868,000 586,000  
Reimbursement from related party 9,000 10,000 26,000 29,000  
Due to related parties 152,000   152,000    
Due from related parties         $ 43,000
Property Management [Member]          
Related Party Transaction [Line Items]          
Interest and other income 71,000 93,000 221,000 331,000  
Operating expenses allocated to operating party $ 89,000 $ 101,000 $ 282,000 $ 376,000