Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity of the Company (Narrative) (Details)

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Shareholders' Equity of the Company (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Jan. 31, 2020
Feb. 28, 2019
Jan. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Dividends payable       $ 35,108 $ 35,199
Tanger Factory Outlet Centers, Inc. [Member]          
Common dividends paid per common share (in dollars per share) $ 0.355   $ 0.35    
Common dividends per common share (in dollars per share) 0.3575 $ 0.355   $ 0.7125 $ 0.705
Additional amount authorized   $ 44,300      
Authorized repurchase amount   $ 169,300      
Remaining amount authorized to be repurchase       $ 80,000  
Tanger Properties Limited Partnership [Member]          
Common distributions (in dollars per share) 0.355   $ 0.35 $ 0.7125 $ 0.705
Cash dividend declared (in dollars per unit) $ 0.3575 $ 0.355