v3.26.1
Debt of the Operating Partnership (Narrative) (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Jan. 31, 2026
USD ($)
$ / shares
Mar. 31, 2026
USD ($)
d
Dec. 31, 2025
USD ($)
Debt Instrument [Line Items]      
Borrowings outstanding   $ 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 0
Unsecured lines of credit | Debt | Unsecured lines of credit      
Debt Instrument [Line Items]      
Available borrowing capacity   620,000  
Maximum amount of unconsolidated joint venture debt guaranteed by the Company   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 44,000
Unamortized debt issuance costs   16,300 4,600
Tanger Properties Limited Partnership | Mortgages      
Debt Instrument [Line Items]      
Net book value of collateral for mortgages payable   $ 194,900  
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  
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   $ 5,200 $ 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  
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%