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
Mar. 31, 2018
Mar. 31, 2017
Schedule of Components of Basic and Diluted Earnings Per Unit [Line Items]    
Net income attributable to partners of the Operating Partnership $ 24,055 $ 23,514
Numerator:    
Less allocation of earnings to participating securities (263) (295)
Net income (loss) available to common shareholders/unitholders $ 23,792 $ 23,219
Denominator:    
Basic weighted average common shares (in shares) 98,640,000 100,273,000
Effect of outstanding options and restricted common shares (in shares) 0 66,000
Diluted weighted average common shares (in shares) 98,640,000 100,339,000
Basic earnings per common share/unit:    
Net income, basic (in dollars per share) $ 0.24 $ 0.23
Diluted earnings per common unit:    
Net income, diluted (in dollars per share) $ 0.24 $ 0.23
Antidilutive incremental common shares attributable to notional units excluded from computation of earnings per share (in units) 1,013,383 871,116
Antidilutive securities excluded from computation of earnings per share (in shares) 564,200 177,700