Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Restricted Share Activity (Details)

v3.10.0.1
Equity-Based Compensation - Restricted Share Activity (Details) - Tanger Factory Outlet Centers, Inc. [Member] - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Restricted Shares and Restricted Share Units [Member]      
Number of shares/units      
Beginning balance 749,906 879,268 1,085,995
Granted 407,156 253,431 286,524
Vested (314,982) (368,043) (388,851)
Forfeited 0 (14,750) (104,400)
Ending balance 842,080 749,906 879,268
Weighted-average grant date fair value      
Beginning balance (in dollars per share) $ 32.30 $ 31.09 $ 31.84
Granted (in dollars per share) 21.13 33.07 29.64
Vested (in dollars per share) 31.43 29.87 31.30
Forfeited (in dollars per share) 0.00 34.39 34.13
Ending balance (in dollars per share) $ 27.56 $ 32.30 $ 31.09
Restricted Share Units [Member]      
Number of shares/units      
Granted 44,452