Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share of the Company (Details)

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Earnings Per Share of the Company (Details) - Tanger Factory Outlet Centers, Inc. [Member] - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Numerator:    
Net income (loss) attributable to Tanger Factory Outlet Centers, Inc. $ 4,133 $ (26,882)
Less allocation of earnings to participating securities (207) (516)
Net income (loss) available to common shareholders/unitholders $ 3,926 $ (27,398)
Denominator:    
Basic weighted average common shares (in shares) 94,812,000 92,500,000
Effect of notional units (in shares) 288,000 0
Effect of outstanding options and certain restricted common shares (in shares) 717,000 0
Diluted weighted average common shares (in shares) 95,817,000 92,500,000
Basic earnings per common share/unit:    
Net income (loss), basic (in dollars per share) $ 0.04 $ (0.30)
Diluted earnings per common share:    
Net income (loss), diluted (in dollars per share) $ 0.04 $ (0.30)
Effect of notional units (in shares) 1,100,000 1,500,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 403,000 521,000