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 $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Tanger Properties Limited Partnership [Member]
       
Schedule of Components of Basic and Diluted Earnings Per Unit [Line Items]        
Stockholders' Equity Note, Stock Split, Conversion Ratio 4      
Net income attributable to partners of the Operating Partnership $ 56,081 $ 16,163 $ 90,056 $ 37,487
Less allocation of earnings to participating securities (609) (209) (933) (576)
Net income available to common shareholders/unitholders of Tanger Factory Outlet Centers, Inc../the Operating Partnership $ 55,472 $ 15,954 $ 89,123 $ 36,911
Basic weighted average common units (in shares) 98,246,000 97,727,000 98,072,000 97,656,000
Effect of notional units (in shares) 856,000 879,000 841,000 865,000
Effect of outstanding options and restricted common units (in shares) 76,000 93,000 91,000 78,000
Diluted weighted average common units (in shares) 99,178,000 98,699,000 99,004,000 98,599,000
Net income, basic (in dollars per share) $ 0.56 $ 0.16 $ 0.91 $ 0.38
Net income, diluted (in dollars per share) $ 0.56 $ 0.16 $ 0.90 $ 0.37
Antidilutive securities excluded from computation of earnings per share (in shares) 0 0 200 167,800