Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Debt of the Operating Partnership (Schedule of Debt) (Details) - Tanger Properties Limited Partnership [Member] - USD ($)
1 Months Ended 9 Months Ended
Oct. 31, 2021
Sep. 30, 2021
Aug. 31, 2021
May 31, 2021
Apr. 30, 2021
Mar. 31, 2021
Feb. 28, 2021
Dec. 31, 2020
Dec. 31, 2011
Debt Instrument [Line Items]                  
Long-term Debt, Gross   $ 1,425,931,000           $ 1,578,743,000  
Book value of debt   $ 1,410,765,000           1,567,886,000  
Senior Notes [Member] | 3.875% 2023 Senior Notes [Member]                  
Debt Instrument [Line Items]                  
Stated Interest Rate   3.875% 3.875%   3.875%        
Long-term Debt, Gross   $ 0 $ 100,000,000 $ 100,000,000   $ 250,000,000   250,000,000  
Book value of debt   $ 0           247,967,000  
Senior Notes [Member] | 3.75% 2024 Senior Notes [Member]                  
Debt Instrument [Line Items]                  
Stated Interest Rate   3.75% 3.75%            
Long-term Debt, Gross   $ 0 $ 250,000,000         250,000,000  
Book value of debt   $ 0           248,493,000  
Senior Notes [Member] | 3.125% 2026 Senior Notes [Member]                  
Debt Instrument [Line Items]                  
Stated Interest Rate   3.125%              
Long-term Debt, Gross   $ 350,000,000           350,000,000  
Book value of debt   $ 347,189,000           346,770,000  
Senior Notes [Member] | 3.875% 2027 Senior Notes [Member]                  
Debt Instrument [Line Items]                  
Stated Interest Rate   3.875%              
Long-term Debt, Gross   $ 300,000,000           300,000,000  
Book value of debt   $ 297,642,000           297,346,000  
Senior Notes [Member] | 2.750% Senior Notes                  
Debt Instrument [Line Items]                  
Stated Interest Rate   2.75% 2.75%            
Long-term Debt, Gross   $ 400,000,000 $ 400,000,000         0  
Book value of debt   390,839,000 $ 390,700,000         0  
Debt Instrument, Interest Rate, Effective Percentage     2.917%            
Mortgages Payable [Member] | Atlantic City Outlets The Walk [Member]                  
Debt Instrument [Line Items]                  
Long-term Debt, Gross   24,531,000           27,343,000  
Book value of debt   25,463,000           28,569,000  
Debt Instrument, Interest Rate, Effective Percentage                 5.05%
Mortgages Payable [Member] | Atlantic City Outlets The Walk [Member] | Subsequent Event [Member]                  
Debt Instrument [Line Items]                  
Repayments of Long-term Debt $ 2,100,000                
Mortgages Payable [Member] | Southaven [Member]                  
Debt Instrument [Line Items]                  
Long-term Debt, Gross   51,400,000           51,400,000  
Book value of debt   51,344,000           51,371,000  
Mortgages Payable [Member] | Southaven [Member] | Subsequent Event [Member]                  
Debt Instrument [Line Items]                  
Long-term Debt, Gross 40,100,000                
Payments to fund consolidated joint venture $ 11,300,000                
Unsecured Term Loan [Member]                  
Debt Instrument [Line Items]                  
Long-term Debt, Gross   300,000,000         $ 350,000,000 350,000,000  
Book value of debt   298,288,000           347,370,000  
Line of Credit [Member]                  
Debt Instrument [Line Items]                  
Long-term Debt, Gross   0           0  
Book value of debt   $ 0           $ 0  
London Interbank Offered Rate (LIBOR) [Member] | Mortgages Payable [Member] | Southaven [Member]                  
Debt Instrument [Line Items]                  
Basis spread on variable rate   1.80%              
London Interbank Offered Rate (LIBOR) [Member] | Mortgages Payable [Member] | Southaven [Member] | Subsequent Event [Member]                  
Debt Instrument [Line Items]                  
Basis spread on variable rate 1.80%                
London Interbank Offered Rate (LIBOR) [Member] | Unsecured Term Loan [Member]                  
Debt Instrument [Line Items]                  
Basis spread on variable rate   1.25%              
London Interbank Offered Rate (LIBOR) [Member] | Line of Credit [Member]                  
Debt Instrument [Line Items]                  
Basis spread on variable rate   1.20%              
Minimum [Member] | Mortgages Payable [Member] | Atlantic City Outlets The Walk [Member]                  
Debt Instrument [Line Items]                  
Stated Interest Rate   5.14%              
Minimum [Member] | Mortgages Payable [Member] | Atlantic City Outlets The Walk [Member] | Subsequent Event [Member]                  
Debt Instrument [Line Items]                  
Stated Interest Rate 5.14%                
Maximum [Member] | Mortgages Payable [Member] | Atlantic City Outlets The Walk [Member]                  
Debt Instrument [Line Items]                  
Stated Interest Rate   7.65%              
Maximum [Member] | Mortgages Payable [Member] | Atlantic City Outlets The Walk [Member] | Subsequent Event [Member]                  
Debt Instrument [Line Items]                  
Stated Interest Rate 7.65%