Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity of the Company (Details)

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Shareholders' Equity of the Company (Details) - Tanger Factory Outlet Centers, Inc. [Member] - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Feb. 28, 2019
May 31, 2017
Exchange of Class A limited partnership units (in units) 49,511 34,749 32,348    
Authorized repurchase amount       $ 169,300,000 $ 125,000,000.0
Additional share repurchase amount authorized       $ 44,300,000  
Total number of shares purchased (in shares) 1,209,328 919,249 1,911,585    
Stock repurchased average price per share (dollars per share) $ 16.52 $ 21.74 $ 25.80    
Shares repurchased exclusive of commissions and related fees $ 19,976,000 $ 19,980,000 $ 49,324,000    
Remaining amount authorized to be repurchase $ 80,000,000.0