Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Outperformance Plan Rollforward (Details)

v3.10.0.1
Equity-Based Compensation - Outperformance Plan Rollforward (Details) - Tanger Factory Outlet Centers, Inc. [Member] - Performance Shares [Member] - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Number of units      
Beginning balance 603,411.000 759,176.000 544,300.0
Awarded 409,972 296,400 321,900
Earned 0 184,455  
Forfeited 0 (267,710) (107,024)
Ending balance 1,013,383.000 603,411.000 759,176.000
Weighted-average grant date fair value      
Beginning balance (in dollars per share) $ 15.83 $ 15.36 $ 15.26
Awarded (in dollars per share) 12.42 16.60 15.10
Earned (in dollars per share) 0.00 14.71  
Forfeited (in dollars per share) 0.00 15.84 14.77
Ending balance (in dollars per share) $ 14.44 $ 15.83 $ 15.36