Annual report pursuant to Section 13 and 15(d)

Earnings Per Unit of the Operating Partnership (Details)

v3.10.0.1
Earnings Per Unit of the Operating Partnership (Details) - Tanger Properties Limited Partnership [Member] - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Numerator      
Net income attributable to Tanger Factory Outlet Centers, Inc. $ 45,984 $ 71,611 $ 204,031
Less allocation of earnings to participating securities (1,211) (1,209) (1,928)
Net income available to common shareholders/unitholders of Tanger Factory Outlet Centers, Inc./the Operating Partnership $ 44,773 $ 70,402 $ 202,103
Denominator      
Basic weighted average common shares (in shares) 98,302 99,533 100,155
Effect of notional units (in shares) 0 0 175
Effect of outstanding options and restricted common shares (in shares) 1 16 68
Diluted weighted average common shares (in shares) 98,303 99,549 100,398
Basic earnings per common unit:      
Net income, basic (in dollars per share) $ 0.45 $ 0.71 $ 2.02
Diluted earnings per common unit:      
Net income, diluted (in dollars per share) $ 0.45 $ 0.71 $ 2.01
Antidilutive Incremental Common Shares Attributable to Notional Units (in units) 1,000 603 501
Antidilutive securities excluded from computation of earnings per share (in shares) 535 169 141