Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Share-Based Compensation Expense (Details)

v3.8.0.1
Equity-Based Compensation - Share-Based Compensation Expense (Details) - Tanger Factory Outlet Centers, Inc. [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity-based compensation expense $ 13,585 $ 15,319 $ 14,712
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount 1,044 985 837
Restricted Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity-based compensation expense 9,395 10,976 11,220
Notional Unit Performance Awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity-based compensation expense 3,913 3,967 3,030
Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity-based compensation expense $ 277 $ 376 $ 462