Quarterly report pursuant to Section 13 or 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
 1 Months Ended 3 Months Ended 9 Months Ended
Jan. 31, 2014
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Numerator          
Net income attributable to partners of the Operating Partnership   $ 46,439 $ 24,255 $ 108,600 $ 59,552
Less allocation of earnings to participating securities   (495) (482) (1,211) (1,392)
Net income available to common shareholders/unitholders of Tanger Factory Outlet Centers, Inc./the Operating Partnership   $ 45,944 $ 23,773 $ 107,389 $ 58,160
Denominator          
Basic weighted average common shares (in shares)   99,824,000 98,936,000 99,753,000 98,860,000
Effect of notional units (in shares)   0 0 0 0
Effect of outstanding options and restricted common shares (in shares)   53,000 67,000 62,000 70,000
Diluted weighted average common shares (in shares)   99,877,000 99,003,000 99,815,000 98,930,000
Basic earnings per common share/unit:          
Net income, basic (in dollars per share)   $ 0.46 $ 0.24 $ 1.08 $ 0.59
Diluted earnings per common unit:          
Net income, diluted (in dollars per share)   $ 0.46 $ 0.24 $ 1.08 $ 0.59
Number of notional units converted to restricted common units 933,769        
Antidilutive securities excluded from computation of earnings per share (in shares)   250,400 273,500 250,500 273,500