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 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Numerator:        
Net income attributable to partners of the Operating Partnership $ 24,198 $ 30,947 $ 48,253 $ 54,461
Less allocation of earnings to participating securities (313) (306) (576) (601)
Net income (loss) available to common shareholders/unitholders $ 23,885 $ 30,641 $ 47,677 $ 53,860
Denominator:        
Basic weighted average common shares (in shares) 98,294,000 100,053,000 98,466,000 100,245,000
Effect of outstanding options and restricted common shares (in shares) 0 5,000 0 35,000
Diluted weighted average common shares (in shares) 98,294,000 100,058,000 98,466,000 100,280,000
Basic earnings per common share/unit:        
Net income, basic (in dollars per share) $ 0.24 $ 0.31 $ 0.48 $ 0.54
Diluted earnings per common unit:        
Net income, diluted (in dollars per share) $ 0.24 $ 0.31 $ 0.48 $ 0.54
Antidilutive incremental common shares attributable to notional units excluded from computation of earnings per share (in units) 1,013,383 871,116 1,013,383 871,116
Antidilutive securities excluded from computation of earnings per share (in shares) 557,600 176,300 557,600 176,300