Quarterly report pursuant to Section 13 or 15(d)

Equity-Based Compensation of the Company (Equity-Based Compensation Expense) (Details)

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Equity-Based Compensation of the Company (Equity-Based Compensation Expense) (Details) - Tanger Factory Outlet Centers, Inc. [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation $ 3,318 $ 4,160 $ 10,114 $ 11,815
Restricted Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation 2,302 3,020 7,039 8,527
Notional Unit Performance Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation 939 1,057 2,870 2,967
Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation $ 77 $ 83 $ 205 $ 321