Quarterly report pursuant to Section 13 or 15(d)

Debt of the Operating Partnership (Schedule of Debt) (Details)

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Debt of the Operating Partnership (Schedule of Debt) (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Dec. 31, 2011
Debt Instrument [Line Items]      
Book Value $ 1,426,832 $ 1,428,494  
Tanger Properties Limited Partnership      
Debt Instrument [Line Items]      
Principal 1,440,262 1,443,809  
Book Value 1,426,832 1,428,494  
Unamortized debt issuance costs $ 2,800 3,500  
Tanger Properties Limited Partnership | Senior notes | 3.125% 2026 Senior Notes      
Debt Instrument [Line Items]      
Fixed interest rate (percent) 3.125%    
Principal $ 350,000 350,000  
Book Value $ 348,323 347,894  
Tanger Properties Limited Partnership | Senior notes | 3.875% 2027 Senior Notes      
Debt Instrument [Line Items]      
Fixed interest rate (percent) 3.875%    
Principal $ 300,000 300,000  
Book Value $ 298,444 298,142  
Tanger Properties Limited Partnership | Senior notes | 2.750% 2031 Senior Notes      
Debt Instrument [Line Items]      
Fixed interest rate (percent) 2.75%    
Principal $ 400,000 400,000  
Book Value 392,610 391,962  
Tanger Properties Limited Partnership | Mortgages payable | Atlantic City      
Debt Instrument [Line Items]      
Principal 13,562 17,109  
Book Value 13,889 17,625  
Effective interest rate     5.05%
Tanger Properties Limited Partnership | Mortgages payable | Southaven      
Debt Instrument [Line Items]      
Principal 51,700 51,700  
Book Value 51,404 51,346  
Tanger Properties Limited Partnership | Unsecured term loan | Unsecured term loan      
Debt Instrument [Line Items]      
Principal 325,000 325,000  
Book Value 322,162 321,525  
Tanger Properties Limited Partnership | Unsecured lines of credit | Unsecured lines of credit      
Debt Instrument [Line Items]      
Principal 0 0  
Book Value $ 0 $ 0  
Tanger Properties Limited Partnership | SOFR | Mortgages payable | Southaven      
Debt Instrument [Line Items]      
Basis spread on variable rate 2.00%    
Tanger Properties Limited Partnership | SOFR | Unsecured term loan | Unsecured term loan      
Debt Instrument [Line Items]      
Basis spread on variable rate 0.95%    
Tanger Properties Limited Partnership | SOFR | Unsecured lines of credit | Unsecured lines of credit      
Debt Instrument [Line Items]      
Basis spread on variable rate 1.00%    
Tanger Properties Limited Partnership | Minimum | Mortgages payable | Atlantic City      
Debt Instrument [Line Items]      
Fixed interest rate (percent) 6.44%    
Tanger Properties Limited Partnership | Maximum | Mortgages payable | Atlantic City      
Debt Instrument [Line Items]      
Fixed interest rate (percent) 7.65%