Annual report pursuant to Section 13 and 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 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Numerator                      
Net income attributable to Tanger Factory Outlet Centers, Inc. $ (11,749) $ 23,546 $ 13,727 $ 62,331 $ 19,707 $ (21,859) $ 22,969 $ 22,838 $ 87,855 $ 43,655 $ 68,002
Less allocation of earnings to participating securities                 (1,336) (1,211) (1,209)
Net income available to common shareholders/unitholders of Tanger Factory Outlet Centers, Inc./the Operating Partnership $ (12,055) $ 23,241 $ 13,613 $ 61,720 $ 19,385 $ (22,172) $ 22,656 $ 22,575 $ 86,519 $ 42,444 $ 66,793
Denominator                      
Basic weighted average common shares (in shares)                 92,808,000 93,309,000 94,506,000
Effect of outstanding options and restricted common shares (in shares)                 0 1,000 16,000
Diluted weighted average common shares (in shares)                 92,808,000 93,310,000 94,522,000
Basic earnings per common share:                      
Net income, basic (in dollars per share) $ (0.13) $ 0.25 $ 0.15 $ 0.66 $ 0.21 $ (0.24) $ 0.24 $ 0.24 $ 0.93 $ 0.45 $ 0.71
Diluted earnings per common share:                      
Net income, diluted (in dollars per share) $ (0.13) $ 0.25 $ 0.15 $ 0.66 $ 0.21 $ (0.24) $ 0.24 $ 0.24 $ 0.93 $ 0.45 $ 0.71
Antidilutive Incremental Common Shares Attributable to Notional Units (in units)                 1,100,000 1,000,000.0 603,000
Antidilutive securities excluded from computation of earnings per share (in shares)                 523,000 535,000 169,000