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 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Numerator:        
Net income (loss) attributable to Tanger Factory Outlet Centers, Inc. $ 23,546 $ (21,859) $ 99,604 $ 23,948
Less allocation of earnings to participating securities (305) (313) (1,030) (889)
Net income (loss) available to common shareholders/unitholders $ 23,241 $ (22,172) $ 98,574 $ 23,059
Denominator:        
Basic weighted average common shares (in shares) 92,514,000 93,109,000 92,999,000 93,349,000
Diluted weighted average common shares (in shares) 92,514,000 93,109,000 92,999,000 93,349,000
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 share:        
Net income (loss), diluted (in dollars per share) $ 0.25 $ (0.24) $ 1.06 $ 0.25
Antidilutive Incremental Common Shares Attributable to Notional Units 1,100,000 1,000,000.0 1,100,000 1,000,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 524,000 547,000 524,000 547,000