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
 1 Months Ended 6 Months Ended
Apr. 30, 2024
Jun. 30, 2024
Dec. 31, 2023
Dec. 31, 2011
Debt Instrument [Line Items]        
Book Value   $ 1,460,011 $ 1,439,203  
Tanger Properties Limited Partnership        
Debt Instrument [Line Items]        
Principal   1,471,517 1,452,036  
Book Value   1,460,011 1,439,203  
Unamortized debt issuance costs   $ 11,500 12,800  
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   $ 348,755 348,467  
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   $ 298,749 298,546  
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   393,268 392,827  
Tanger Properties Limited Partnership | Mortgages payable | Atlantic City        
Debt Instrument [Line Items]        
Principal   9,817 12,336  
Book Value   $ 10,010 12,613  
Effective interest rate       5.05%
Tanger Properties Limited Partnership | Mortgages payable | Southaven        
Debt Instrument [Line Items]        
Basis spread on variable rate (percent)   2.00%    
Principal   $ 51,700 51,700  
Book Value   $ 51,477 51,428  
Tanger Properties Limited Partnership | Unsecured term loan | Unsecured term loan        
Debt Instrument [Line Items]        
Basis spread on variable rate (percent)   0.94%    
Principal   $ 325,000 325,000  
Book Value   $ 322,752 322,322  
Tanger Properties Limited Partnership | Unsecured lines of credit        
Debt Instrument [Line Items]        
Basis spread on variable rate (percent) 0.85% 1.00%    
Unamortized debt issuance costs   $ 8,300 2,100  
Tanger Properties Limited Partnership | Unsecured lines of credit | Unsecured lines of credit        
Debt Instrument [Line Items]        
Basis spread on variable rate (percent)   0.85%    
Principal   $ 35,000 13,000  
Book Value   $ 35,000 $ 13,000  
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%