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, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Numerator:        
Net income (loss) attributable to Tanger Factory Outlet Centers, Inc. $ 13,029 $ 23,546 $ (36,541) $ 99,604
Less allocation of earnings to participating securities (146) (305) (692) (1,030)
Net income (loss) available to common shareholders/unitholders $ 12,883 $ 23,241 $ (37,233) $ 98,574
Denominator:        
Basic weighted average common shares (in shares) 92,649 92,514 92,596 92,999
Diluted weighted average common shares (in shares) 92,649 92,514 92,596 92,999
Basic earnings per common share/unit:        
Net income (loss), basic (in dollars per share) $ 0.14 $ 0.25 $ (0.40) $ 1.06
Diluted earnings per common share:        
Net income (loss), diluted (in dollars per share) $ 0.14 $ 0.25 $ (0.40) $ 1.06
Antidilutive Incremental Common Shares Attributable to Notional Units 1,700 1,100 1,700 1,100
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,800 524 1,800 524