Annual report pursuant to Section 13 and 15(d)

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

v3.19.3.a.u2
Equity-Based Compensation - Share-Based Compensation Expense (Details) - Tanger Factory Outlet Centers, Inc. [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity-based compensation expense $ 18,120 $ 14,669 $ 13,585
Equity-based compensation expense capitalized 384 1,131 1,044
Restricted Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity-based compensation expense 12,036 9,870 9,395
Notional Unit Performance Awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity-based compensation expense 5,918 4,356 3,913
Share-based Payment Arrangement, Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity-based compensation expense $ 166 $ 443 $ 277