Annual report pursuant to Section 13 and 15(d)

Earnings Per Unit of the Operating Partnership (Details)

v3.8.0.1
Earnings Per Unit of the Operating Partnership (Details) - Tanger Properties Limited Partnership [Member] - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Numerator      
Net income attributable to Tanger Factory Outlet Centers, Inc. $ 71,611 $ 204,031 $ 222,531
Less allocation of earnings to participating securities (1,209) (1,928) (2,413)
Net income available to common shareholders/unitholders of Tanger Factory Outlet Centers, Inc./the Operating Partnership $ 70,402 $ 202,103 $ 220,118
Denominator      
Basic weighted average common shares (in shares) 99,533,000 100,155,000 99,777,000
Effect of notional units (in shares) 0 175,000 0
Effect of outstanding options and restricted common shares (in shares) 16,000 68,000 61,000
Diluted weighted average common shares (in shares) 99,549,000 100,398,000 99,838,000
Basic earnings per common unit:      
Net income, basic (in dollars per share) $ 0.71 $ 2.02 $ 2.21
Diluted earnings per common unit:      
Net income, diluted (in dollars per share) $ 0.71 $ 2.01 $ 2.20
Antidilutive Incremental Common Shares Attributable to Notional Units (in units) 603,411 501,446 859,450
Antidilutive securities excluded from computation of earnings per share (in shares) 169,000 141,300 227,400