Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Debt of the Operating Partnership (Schedule of Debt) (Details) - Tanger Properties Limited Partnership [Member] - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Principal $ 1,716,610,000 $ 1,705,998,000
Book value of debt $ 1,699,461,000 $ 1,687,866,000
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 $ 298,351,000 $ 298,226,000
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 $ 245,577,000 $ 245,425,000
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 $ 247,145,000 $ 247,058,000
Senior Notes [Member] | 3.125% Senior Notes [Member]    
Debt Instrument [Line Items]    
Stated Interest Rate(s) 3.125% 3.125%
Principal $ 350,000,000 $ 350,000,000
Book value of debt 344,733,000 344,600,000
Mortgages Payable [Member] | Atlantic City Outlets The Walk [Member]    
Debt Instrument [Line Items]    
Principal 39,733,000 40,471,000
Book value of debt 42,449,000 43,286,000
Mortgages Payable [Member] | Foxwoods [Member]    
Debt Instrument [Line Items]    
Principal 70,250,000 70,250,000
Book value of debt 69,993,000 69,902,000
Mortgages Payable [Member] | Southaven [Member]    
Debt Instrument [Line Items]    
Principal 59,277,000 59,277,000
Book value of debt 59,016,000 58,957,000
Unsecured Term Loan [Member]    
Debt Instrument [Line Items]    
Principal 325,000,000 325,000,000
Book value of debt 322,575,000 322,410,000
Line of Credit [Member]    
Debt Instrument [Line Items]    
Principal 72,350,000 61,000,000
Book value of debt $ 69,622,000 $ 58,002,000
London Interbank Offered Rate (LIBOR) [Member] | Mortgages Payable [Member] | Foxwoods [Member]    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.55% 1.55%
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] | Unsecured Term Loan [Member]    
Debt Instrument [Line Items]    
Basis spread on variable rate 0.95% 0.95%
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) 5.14% 5.14%
Maximum [Member] | Mortgages Payable [Member] | Atlantic City Outlets The Walk [Member]    
Debt Instrument [Line Items]    
Stated Interest Rate(s) 7.65% 7.65%