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, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Numerator:        
Net income (loss) attributable to partners of the Operating Partnership $ 24,809 $ (23,031) $ 104,912 $ 25,222
Less allocation of earnings to participating securities (305) (313) (1,030) (889)
Net income (loss) available to common shareholders/unitholders $ 24,504 $ (23,344) $ 103,882 $ 24,333
Denominator:        
Basic weighted average common shares (in shares) 97,474 98,104 97,959 98,344
Diluted weighted average common shares (in shares) 97,474 98,104 97,959 98,344
Basic earnings per common share/unit:        
Net income (loss), basic (in dollars per share) $ 0.25 $ (0.24) $ 1.06 $ 0.25
Diluted earnings per common unit:        
Net income (loss), diluted (in dollars per share) $ 0.25 $ (0.24) $ 1.06 $ 0.25
Antidilutive Incremental Common Shares Attributable to Notional Units 1,100 1,000 1,100 1,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 524 547 524 547