v3.26.1
Debt of the Operating Partnership (Narrative) (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
d
Jan. 31, 2026
USD ($)
$ / shares
Dec. 31, 2025
USD ($)
Debt Instrument [Line Items]          
Borrowings outstanding   $ 0 $ 0   $ 44,000
Exchangeable Senior Notes | January 2026 Exchangeable Senior Notes          
Debt Instrument [Line Items]          
Net proceeds from issuance of exchangeable senior notes $ 243,000        
Exchangeable Senior Notes | Debt | January 2026 Exchangeable Senior Notes          
Debt Instrument [Line Items]          
Maximum amount of unconsolidated joint venture debt guaranteed by the Company   250,000 250,000   0
Unsecured lines of credit | Debt | Unsecured lines of credit          
Debt Instrument [Line Items]          
Available borrowing capacity   620,000 620,000    
Maximum amount of unconsolidated joint venture debt guaranteed by the Company   0 0   44,000
Unsecured Debt | Unsecured term loan one          
Debt Instrument [Line Items]          
Line of credit borrowing capacity       $ 350,000 325,000
Basis spread on variable rate (percent) 0.95%        
Unsecured Debt | January 2026 Unsecured Term Loans          
Debt Instrument [Line Items]          
Line of credit borrowing capacity       550,000  
Borrowings outstanding       400,000  
Drawings $ 75,000        
Available borrowing capacity       150,000  
Unsecured Debt | Unsecured term loan two          
Debt Instrument [Line Items]          
Line of credit borrowing capacity       200,000  
Basis spread on variable rate (percent) 1.25%        
Tanger Properties Limited Partnership          
Debt Instrument [Line Items]          
Borrowings outstanding   0 0   44,000
Unamortized debt issuance costs   15,700 15,700   4,600
Tanger Properties Limited Partnership | Mortgages          
Debt Instrument [Line Items]          
Net book value of collateral for mortgages payable   168,600 $ 168,600    
Tanger Properties Limited Partnership | Mortgages | Southaven          
Debt Instrument [Line Items]          
Basis spread on variable rate (percent)     2.00%    
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 $ 1,200,000    
Maximum borrowings of liquidity line   20,000 20,000    
Maximum borrowings of syndicated line   600,000 $ 600,000    
Percentage of funds from operations allowed on a cumulative basis to pay dividends     95.00%    
Unamortized debt issuance costs   4,800 $ 4,800   $ 5,700
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 | Unsecured lines of credit          
Debt Instrument [Line Items]          
Line of credit borrowing capacity   $ 620,000 $ 620,000    
Tanger Properties Limited Partnership | Unsecured Debt | Unsecured term loan one          
Debt Instrument [Line Items]          
Basis spread on variable rate (percent)     0.95%    
Tanger Properties Limited Partnership | Unsecured Debt | Unsecured term loan two          
Debt Instrument [Line Items]          
Basis spread on variable rate (percent)     1.25%    
Tanger Properties Limited Partnership | Senior notes | The Exchangeable Notes          
Debt Instrument [Line Items]          
Face amount of debt issued       $ 250,000  
Fixed interest rate (percent)       2.375%  
Exchange price equivalent (in usd per share) | $ / shares       $ 41.55  
Redemption price (percent) 100.00% 100.00%      
Sales price of common stock, exchange price trigger (percent)     130.00%    
Trading days in effect | d     20    
Consecutive trading day period | d     30    
Increase in exchange rate per $1,000 principal (percent)   3.00%      
Tanger Properties Limited Partnership | Senior notes | October 15, 2030 | The Exchangeable Notes          
Debt Instrument [Line Items]          
Exchange rate (percent)   2.40662%      
Tanger Properties Limited Partnership | Senior notes | Under certain other circumstances | The Exchangeable Notes          
Debt Instrument [Line Items]          
Exchange rate (percent)   2.94811%