Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Dec. 31, 2019
Dec. 31, 2018
Tanger Factory Outlet Centers, Inc. [Member]    
Common shares, par value (in dollars per share) $ 0.01 $ 0.01
Common shares, authorized 300,000,000 300,000,000
Common shares, issued 92,942,260 93,941,783
Common shares, outstanding 92,942,260 93,941,783
Tanger Properties Limited Partnership [Member]    
General partnership units 1,000,000 1,000,000
Tanger Properties Limited Partnership [Member] | Class A Limited Partnership Units [Member]    
Limited partnership units 4,911,173 4,960,684
Tanger Properties Limited Partnership [Member] | Class B Limited Partnership Units [Member]    
Limited partnership units 91,892,260 92,941,783