v3.25.1
Debt of the Operating Partnership (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Debt Instrument [Line Items]    
Borrowings $ 139,000 $ 0
Unsecured lines of credit | Debt | Unsecured lines of credit    
Debt Instrument [Line Items]    
Maximum amount of unconsolidated joint venture debt guaranteed by the Company 139,000 0
Unsecured term loan | Debt | Unsecured term loan    
Debt Instrument [Line Items]    
Maximum amount of unconsolidated joint venture debt guaranteed by the Company 325,000 325,000
Tanger Properties Limited Partnership    
Debt Instrument [Line Items]    
Borrowings 139,000 0
Unamortized debt issuance costs 9,500 10,100
Tanger Properties Limited Partnership | Mortgages    
Debt Instrument [Line Items]    
Net book value of collateral for mortgages payable 123,500  
Tanger Properties Limited Partnership | Unsecured lines of credit    
Debt Instrument [Line Items]    
Maximum borrowings of syndicated line if accordion feature is utilized 1,200,000  
Maximum borrowings of liquidity line 20,000  
Maximum borrowings of syndicated line $ 600,000  
Percentage of funds from operations allowed on a cumulative basis to pay dividends 95.00%  
Unamortized debt issuance costs $ 7,000 $ 7,400
Tanger Properties Limited Partnership | Unsecured lines of credit | Unsecured lines of credit    
Debt Instrument [Line Items]    
Basis spread on variable rate (percent) 0.85%  
Tanger Properties Limited Partnership | Unsecured lines of credit | Debt    
Debt Instrument [Line Items]    
Borrowings $ 139,000  
Tanger Properties Limited Partnership | Unsecured lines of credit | Debt | Unsecured lines of credit    
Debt Instrument [Line Items]    
Line of credit borrowing capacity $ 620,000  
Tanger Properties Limited Partnership | Unsecured term loan | Unsecured term loan    
Debt Instrument [Line Items]    
Basis spread on variable rate (percent) 0.94%