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 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation $ 3,479 $ 3,504 $ 7,045 $ 6,796
Restricted common shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation 2,366 2,387 4,855 4,737
Notional unit performance awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation 1,014 1,049 1,998 1,931
Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation $ 99 $ 68 $ 192 $ 128