Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Unit of the Operating Partnership (Details)

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Earnings Per Unit of the Operating Partnership (Details) - Tanger Properties Limited Partnership [Member] - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Schedule of Components of Basic and Diluted Earnings Per Unit [Line Items]        
Net income (loss) attributable to partners of the Operating Partnership $ (16,034) $ 72,772 $ 38,427 $ 178,680
Numerator:        
Less allocation of earnings to participating securities (306) (629) (907) (1,651)
Net income (loss) available to common shareholders/unitholders $ (16,340) $ 72,143 $ 37,520 $ 177,029
Denominator:        
Basic weighted average common shares (in shares) 98,951,000 100,209,000 99,809,000 100,127,000
Effect of notional units (in shares) 0 426,000 0 393,000
Effect of outstanding options and restricted common shares (in shares) 0 90,000 23,000 69,000
Diluted weighted average common shares (in shares) 98,951,000 100,725,000 99,832,000 100,589,000
Basic earnings per common share/unit:        
Net income, basic (in dollars per share) $ (0.17) $ 0.72 $ 0.38 $ 1.77
Diluted earnings per common unit:        
Net income, diluted (in dollars per share) $ (0.17) $ 0.72 $ 0.38 $ 1.76
Antidilutive incremental common shares attributable to notional units excluded from computation of earnings per share (in units) 858,116 531,746 858,116 546,849
Antidilutive securities excluded from computation of earnings per share (in shares) 235,700 0 173,500 145,300