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Commitments and Contingencies - Additional Information (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Position
Dec. 31, 2016
USD ($)
Jun. 30, 2018
USD ($)
ft²
ShoppingCenter
Contingencies And Commitments [Line Items]        
Property insurance receivable $ 0 $ 58,583    
Rental revenues lost and not recognized 6,700      
Insurance proceeds related to business interruption insurance claims 6,884 8,500 $ 0  
Agreements entered into with general contractors for the construction or redevelopment of shopping centers   17,600    
Outstanding letters of credit 16,300      
Affiliate debt guaranty $ 3,900      
Mortgage debt maturity, year and month 2020-10      
Long-term ground leases expiration period various dates through 2070      
Minimum [Member]        
Contingencies And Commitments [Line Items]        
Period space in shopping centers leased 1 month      
Maximum [Member]        
Contingencies And Commitments [Line Items]        
Period space in shopping centers leased 30 years      
Employee Severance [Member] | General and Administrative [Member]        
Contingencies And Commitments [Line Items]        
Separation charge $ 4,600 $ 17,900    
Employee Severance [Member] | Elimination        
Contingencies And Commitments [Line Items]        
Total number of positions eliminated including officer level | Position   65    
Retail Value Inc. [Member] | Puerto Rico [Member]        
Contingencies And Commitments [Line Items]        
Number of properties owned | ShoppingCenter       12
Gross leasable area of properties owned | ft²       4,400,000
Retail Value Inc. [Member] | Puerto Rico [Member] | Loss from Catastrophes [Member]        
Contingencies And Commitments [Line Items]        
Number of assets sustained varying degrees of damage | ShoppingCenter       11
Estimated net book value of the property damage written off       $ 78,800
Property insurance receivable       $ 49,200
Business interruption insurance coverage period after restoration 365 days      
Retail Value Inc. [Member] | Puerto Rico [Member] | Loss from Catastrophes [Member] | Plaza Palma Real [Member]        
Contingencies And Commitments [Line Items]        
Number of properties owned that was severely damaged | ShoppingCenter       1
Gross leasable area of properties owned that was severely damaged | ft²       400,000