Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Outperformance Plan Rollforward (Details)

v3.8.0.1
Equity-Based Compensation - Outperformance Plan Rollforward (Details) - Tanger Factory Outlet Centers, Inc. [Member] - Performance Shares [Member] - $ / shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Number of units      
Beginning balance 759,176.000 544,300.0 644,850
Granted 296,400 321,900 306,600
Forfeited (267,710) (107,024) (407,150)
Ending balance 603,411.000 759,176.000 544,300.0
Weighted-average grant date fair value      
Beginning balance (in dollars per share) $ 15.36 $ 15.26 $ 14.36
Granted (in dollars per share) 16.60 15.10 15.85
Vested (in dollars per share) 14.71    
Forfeited (in dollars per share) 15.84 14.77 14.28
Ending balance (in dollars per share) $ 15.83 $ 15.36 $ 15.26