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 6 Months Ended
Jan. 31, 2014
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Numerator          
Net income attributable to partners of the Operating Partnership   $ 25,794 $ 19,878 $ 62,161 $ 35,297
Less allocation of earnings to participating securities   (308) (481) (716) (910)
Net income available to common shareholders/unitholders of Tanger Factory Outlet Centers, Inc./the Operating Partnership   $ 25,486 $ 19,397 $ 61,445 $ 34,387
Denominator          
Basic weighted average common shares (in shares)   99,819,000 98,916,000 99,717,000 98,818,000
Effect of notional units (in shares)   0 0 0 0
Effect of outstanding options and restricted common shares (in shares)   54,000 74,000 66,000 72,000
Diluted weighted average common shares (in shares)   99,873,000 98,990,000 99,783,000 98,890,000
Basic earnings per common share/unit:          
Net income, basic (in dollars per share)   $ 0.26 $ 0.20 $ 0.62 $ 0.35
Diluted earnings per common unit:          
Net income, diluted (in dollars per share)   $ 0.26 $ 0.20 $ 0.62 $ 0.35
Number of notional units converted to restricted common units 933,769        
Antidilutive securities excluded from computation of earnings per share (in shares)   250,700 276,500 250,800 276,500