Annual report pursuant to Section 13 and 15(d)

Debt of the Operating Partnership (Details)

v3.6.0.2
Debt of the Operating Partnership (Details) - Tanger Properties Limited Partnership [Member] - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 21 Months Ended
Nov. 30, 2016
Apr. 30, 2016
Oct. 31, 2015
Apr. 30, 2015
Dec. 31, 2014
Jul. 31, 2014
Mar. 31, 2016
Jun. 30, 2014
Dec. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Oct. 31, 2016
Jun. 23, 2016
Nov. 30, 2014
Debt Instrument [Line Items]                            
Principal                 $ 1,705,998,000 $ 1,567,186,000        
Book value of debt                 $ 1,687,866,000 $ 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                 $ 298,226,000 $ 297,739,000        
Senior Notes [Member] | 3.875% Senior Notes [Member]                            
Debt Instrument [Line Items]                            
Stated Interest Rate(s)                 3.875% 3.875%        
Principal                 $ 250,000,000 $ 250,000,000        
Book value of debt                 $ 245,425,000 $ 244,829,000        
Senior Notes [Member] | 3.75% Senior Notes [Member]                            
Debt Instrument [Line Items]                            
Stated Interest Rate(s)                 3.75% 3.75%       3.75%
Principal                 $ 250,000,000 $ 250,000,000       $ 250,000,000
Book value of debt                 $ 247,058,000 246,717,000        
Senior Notes [Member] | 3.125% Senior Notes [Member]                            
Debt Instrument [Line Items]                            
Stated Interest Rate(s)                 3.125%     3.125%    
Principal                 $ 350,000,000 0        
Book value of debt                 344,600,000 $ 0        
Notes Payable, Other Payables [Member]                            
Debt Instrument [Line Items]                            
Stated Interest Rate(s)                   1.50%        
Principal                 0 $ 10,000,000     $ 10,000,000  
Book value of debt                 0 9,919,000        
Unsecured Term Loan [Member]                            
Debt Instrument [Line Items]                            
Principal   $ 325,000,000       $ 250,000,000 $ 250,000,000   325,000,000 250,000,000        
Book value of debt                 322,410,000 248,443,000        
Unsecured Term Note [Member]                            
Debt Instrument [Line Items]                            
Principal                 0 7,500,000        
Book value of debt                 0 7,470,000        
Mortgages [Member] | Atlantic City Outlets The Walk [Member]                            
Debt Instrument [Line Items]                            
Principal                 40,471,000 43,312,000        
Book value of debt                 43,286,000 46,605,000        
Mortgages [Member] | Deer Park [Member]                            
Debt Instrument [Line Items]                            
Principal                 0 150,000,000        
Book value of debt                 0 149,145,000        
Mortgages [Member] | Foxwoods [Member]                            
Debt Instrument [Line Items]                            
Principal                 70,250,000 70,250,000        
Book value of debt                 69,902,000 69,564,000        
Mortgages [Member] | Southaven [Member]                            
Debt Instrument [Line Items]                            
Principal                 59,277,000 45,824,000        
Book value of debt                 58,957,000 45,273,000        
Line of Credit [Member]                            
Debt Instrument [Line Items]                            
Principal                 61,000,000 190,300,000        
Book value of debt                 $ 58,002,000 $ 186,220,000        
London Interbank Offered Rate (LIBOR) [Member] | Unsecured Term Loan [Member]                            
Debt Instrument [Line Items]                            
Basis spread on variable rate   0.95%       1.05% 1.05% 1.60% 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] | Mortgages [Member] | Deer Park [Member]                            
Debt Instrument [Line Items]                            
Basis spread on variable rate                   1.50%        
London Interbank Offered Rate (LIBOR) [Member] | Mortgages [Member] | Foxwoods [Member]                            
Debt Instrument [Line Items]                            
Basis spread on variable rate 1.55%       1.65%       1.55% 1.65%        
London Interbank Offered Rate (LIBOR) [Member] | Mortgages [Member] | Southaven [Member]                            
Debt Instrument [Line Items]                            
Basis spread on variable rate       1.75%         1.75% 1.75%        
London Interbank Offered Rate (LIBOR) [Member] | Line of Credit [Member]                            
Debt Instrument [Line Items]                            
Basis spread on variable rate     0.90%           0.90% 0.09% 1.00%      
Minimum [Member] | Mortgages [Member] | Atlantic City Outlets The Walk [Member]                            
Debt Instrument [Line Items]                            
Stated Interest Rate(s)                 5.14% 5.14%        
Maximum [Member] | Mortgages [Member] | Atlantic City Outlets The Walk [Member]                            
Debt Instrument [Line Items]                            
Stated Interest Rate(s)                 7.65% 7.65%