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
Mar. 31, 2018
Mar. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity-based compensation $ 3,392 $ 3,292
Restricted common shares [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity-based compensation 2,376 2,349
Notional unit performance awards [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity-based compensation 937 882
Options [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity-based compensation $ 79 $ 61