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) (Tanger Properties Limited Partnership [Member], USD $)
 6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Principal $ 1,403,618,000 $ 1,330,398,000
Debt Instrument, Unamortized (Discount) Premium, Net (2,335,000) (2,349,000)
Senior Notes [Member]
    
Debt Instrument [Line Items]    
Debt Instrument, Unamortized (Discount) Premium, Net (5,433,000) (5,752,000)
Senior Notes [Member] | 6.15% Senior Notes [Member]
    
Debt Instrument [Line Items]    
Stated Interest Rate(s) 6.15% 6.15%
Maturity Date Nov. 01, 2015  
Principal 250,000,000 250,000,000
Discount (156,000) (211,000)
Senior Notes [Member] | 6.125% Senior Notes [Member]
    
Debt Instrument [Line Items]    
Stated Interest Rate(s) 6.125% 6.125%
Maturity Date Jun. 01, 2020  
Principal 300,000,000 300,000,000
Discount (1,374,000) (1,469,000)
Senior Notes [Member] | 3.875% Senior Notes [Member] [Member]
    
Debt Instrument [Line Items]    
Stated Interest Rate(s) 3.875% 3.875%
Maturity Date Dec. 01, 2023  
Principal 250,000,000 250,000,000
Discount (3,903,000) (4,072,000)
Mortgages Payable [Member]
    
Debt Instrument [Line Items]    
Debt Instrument, Unamortized (Discount) Premium, Net 3,418,000 3,799,000
Mortgages Payable [Member] | Atlantic City Outlets The Walk [Member]
    
Debt Instrument [Line Items]    
Stated Interest Rate(s), Minimum 5.14% [1] 5.14% [1]
Stated Interest Rate(s), Maximum 7.65% [1] 7.65% [1]
Maturity Date Range, Start Nov. 01, 2021  
Maturity Date Range, End Dec. 01, 2026  
Principal 47,284,000 [1] 48,535,000 [1]
Premium 3,893,000 [1] 4,091,000 [1]
Mortgages Payable [Member] | Deer Park [Member]
    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.50% 1.50%
Maturity Date Aug. 01, 2018  
Principal 150,000,000 150,000,000
Discount (1,319,000) (1,478,000)
Mortgages Payable [Member] | The Outlets at Hershey [Member]
    
Debt Instrument [Line Items]    
Stated Interest Rate(s), Minimum 5.17% [1] 5.17% [1]
Stated Interest Rate(s), Maximum 8.00% [1] 8.00% [1]
Maturity Date Aug. 01, 2015 [1]  
Principal 29,623,000 [1] 29,970,000 [1]
Premium 698,000 [1] 993,000 [1]
Mortgages Payable [Member] | Ocean City Factory Outlets [Member]
    
Debt Instrument [Line Items]    
Stated Interest Rate(s) 5.24% [1] 5.24% [1]
Maturity Date Jan. 01, 2016 [1]  
Principal 18,011,000 [1] 18,193,000 [1]
Premium 146,000 [1] 193,000 [1]
Notes Payable [Member]
    
Debt Instrument [Line Items]    
Stated Interest Rate(s) 1.50% [1] 1.50% [1]
Maturity Date Jun. 30, 2016 [1]  
Principal 10,000,000 [1] 10,000,000 [1]
Discount (320,000) [1] (396,000) [1]
Unsecured Term Loan [Member]
    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.60% [2] 1.60% [2]
Maturity Date Feb. 23, 2019 [2]  
Principal 250,000,000 [2] 250,000,000 [2]
Discount 0 [2] 0 [2]
Debt Instrument, Unamortized (Discount) Premium, Net (320,000) (396,000)
Unsecured Term Note [Member]
    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.30% 1.30%
Maturity Date Aug. 01, 2017  
Principal 7,500,000 7,500,000
Discount 0 0
Line of Credit [Member]
    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.00% 1.00%
Maturity Date Nov. 10, 2015  
Principal 91,200,000 16,200,000
Discount $ 0 $ 0
[1] The effective interest rates assigned during the purchase price allocation to these assumed mortgages and note payable during acquisitions in 2011 were as follows: Atlantic City 5.05%, Ocean City 4.68%, Hershey 3.40% and note payable 3.15%.
[2] In July 2014, we completed an amendment to this loan which reduced the interest rate from LIBOR + 1.60% to LIBOR + 1.05%.