Quarterly report pursuant to Section 13 or 15(d)

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

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Equity-Based Compensation of the Company (Equity-Based Compensation Expense Capitalized) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Tanger Factory Outlet Centers, Inc. [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Equity-based compensation expense capitalized $ 101 $ 96 $ 202 $ 188