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, 2018
Dec. 31, 2017
Dec. 31, 2016
May 31, 2017
Exchange of Class A limited partnership units (in units) 34,749 32,348 24,962  
Authorized repurchase amount       $ 125,000,000
Total number of shares purchased (in shares) 919,249 1,911,585    
Stock repurchased average price per share (dollars per share) $ 21.74 $ 25.80    
Shares repurchased exclusive of commissions and related fees $ 19,980,000 $ 49,324,000    
Remaining amount authorized to be repurchase $ 55,700,000