Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Debt of the Operating Partnership (Schedule of Debt) (Details) - Tanger Properties Limited Partnership [Member] - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 30, 2016
Mar. 31, 2016
Jun. 30, 2016
Dec. 31, 2015
Jun. 23, 2016
Debt Instrument [Line Items]          
Principal     $ 1,617,350,000 $ 1,567,186,000  
Book value of debt [1]     $ 1,602,847,000 $ 1,551,924,000  
Senior Notes [Member] | 6.125% Senior Notes [Member]          
Debt Instrument [Line Items]          
Stated Interest Rate(s)     6.125% 6.125%  
Principal     $ 300,000,000 $ 300,000,000  
Book value of debt [1]     $ 297,982,000 $ 297,739,000  
Senior Notes [Member] | 3.875% Senior Notes [Member] [Member]          
Debt Instrument [Line Items]          
Stated Interest Rate(s)     3.875% 3.875%  
Principal     $ 250,000,000 $ 250,000,000  
Book value of debt [1]     $ 245,125,000 $ 244,829,000  
Senior Notes [Member] | 3.75% Senior Notes [Member]          
Debt Instrument [Line Items]          
Stated Interest Rate(s)     3.75% 3.75%  
Principal     $ 250,000,000 $ 250,000,000  
Book value of debt [1]     246,884,000 246,717,000  
Mortgages Payable [Member] | Atlantic City Outlets The Walk [Member]          
Debt Instrument [Line Items]          
Principal [2]     41,911,000 43,312,000  
Book value of debt [1],[2]     44,925,000 46,605,000  
Mortgages Payable [Member] | Deer Park [Member]          
Debt Instrument [Line Items]          
Principal     0 150,000,000  
Book value of debt [1]     0 149,145,000  
Mortgages Payable [Member] | Foxwoods [Member]          
Debt Instrument [Line Items]          
Principal     70,250,000 70,250,000  
Book value of debt [1]     69,737,000 69,564,000  
Mortgages Payable [Member] | Southaven [Member]          
Debt Instrument [Line Items]          
Principal     58,989,000 45,824,000  
Book value of debt [1]     58,553,000 45,273,000  
Mortgages Payable [Member] | Westgate [Member]          
Debt Instrument [Line Items]          
Principal     62,000,000 0  
Book value of debt [1]     62,000,000 $ 0  
Unsecured Notes Payable [Member]          
Debt Instrument [Line Items]          
Stated Interest Rate(s) [2]       1.50%  
Principal [2]     0 $ 10,000,000 $ 10,000,000
Book value of debt [1],[2]     0 9,919,000  
Unsecured Term Loan [Member]          
Debt Instrument [Line Items]          
Principal $ 325,000,000 $ 250,000,000 325,000,000 250,000,000  
Book value of debt [1]     321,980,000 248,443,000  
Unsecured Term Note [Member]          
Debt Instrument [Line Items]          
Principal     0 7,500,000  
Book value of debt [1]     0 7,470,000  
Line of Credit [Member]          
Debt Instrument [Line Items]          
Principal     259,200,000 190,300,000  
Book value of debt [1]     $ 255,661,000 $ 186,220,000  
London Interbank Offered Rate (LIBOR) [Member] | Mortgages Payable [Member] | Deer Park [Member]          
Debt Instrument [Line Items]          
Basis spread on variable rate       1.50%  
London Interbank Offered Rate (LIBOR) [Member] | Mortgages Payable [Member] | Foxwoods [Member]          
Debt Instrument [Line Items]          
Basis spread on variable rate     1.65% 1.65%  
London Interbank Offered Rate (LIBOR) [Member] | Mortgages Payable [Member] | Southaven [Member]          
Debt Instrument [Line Items]          
Basis spread on variable rate     1.75% 1.75%  
London Interbank Offered Rate (LIBOR) [Member] | Mortgages Payable [Member] | Westgate [Member]          
Debt Instrument [Line Items]          
Basis spread on variable rate     1.75%    
London Interbank Offered Rate (LIBOR) [Member] | Unsecured Term Loan [Member]          
Debt Instrument [Line Items]          
Basis spread on variable rate 0.95% 1.05% 0.95% 1.05%  
London Interbank Offered Rate (LIBOR) [Member] | Unsecured Term Note [Member]          
Debt Instrument [Line Items]          
Basis spread on variable rate       1.30%  
London Interbank Offered Rate (LIBOR) [Member] | Line of Credit [Member]          
Debt Instrument [Line Items]          
Basis spread on variable rate     0.90% 0.90%  
Minimum [Member] | Mortgages Payable [Member] | Atlantic City Outlets The Walk [Member]          
Debt Instrument [Line Items]          
Stated Interest Rate(s) [2]     5.14% 5.14%  
Maximum [Member] | Mortgages Payable [Member] | Atlantic City Outlets The Walk [Member]          
Debt Instrument [Line Items]          
Stated Interest Rate(s) [2]     7.65% 7.65%  
[1] Including premiums and net of debt discount and net debt origination costs.
[2] The effective interest rates assigned during the purchase price allocation to the assumed mortgage and note payable during acquisitions in 2011 were as follows: Atlantic City 5.05% and unsecured note payable 3.15%.