Annual report pursuant to Section 13 and 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
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Numerator      
Net income (loss) attributable to Tanger Factory Outlet Centers, Inc. $ 9,558 $ (38,203) $ 92,533
Less allocation of earnings to participating securities (804) (692) (1,336)
Net income (loss) available to common shareholders/unitholders of Tanger Factory Outlet Centers, Inc./the Operating Partnership $ 8,754 $ (38,895) $ 91,197
Denominator      
Basic weighted average common shares (in shares) 105,208,000 97,521,000 97,766,000
Effect of Notional Units (in shares) 809,000 0 0
Effect of outstanding options and restricted common shares (in shares) 752,000 0 0
Diluted weighted average common shares (in shares) 106,769,000 97,521,000 97,766,000
Basic earnings per common unit:      
Net income (loss) , basic (in dollars per share) $ 0.08 $ (0.40) $ 0.93
Diluted earnings per common unit:      
Net income (loss), diluted (in dollars per share) $ 0.08 $ (0.40) $ 0.93
Antidilutive notional units excluded from the computation of earnings per share (in units) 506,000 1,700,000 1,100,000
Antidilutive securities excluded from computation of earnings per share (in shares) 332,000 1,800,000 523,000