Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (Parenthetical)

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CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Tanger Factory Outlet Centers, Inc. [Member]      
Grant of restricted common shares awards, net of forfeitures (in shares) 611,350 242,167 355,184
Issuance of deferred units (in shares/units) 6,258    
Repurchase of units (in units) 0 (1,209,328) (919,249)
Shares paid for tax withholding for share based compensation (in shares) 56,597 131,873 89,437
Common shares issued in exchange for Operating Partnership units (in shares) 116,530 49,511 34,749
Exchange of Operating Partnership units for common shares (in units) 116,530 49,511 34,749
Dividends declared per common share (in dollars per share) $ 0.7125 $ 1.4150 $ 1.3925
Tanger Properties Limited Partnership [Member]      
Grant of restricted common shares awards, net of forfeitures (in shares) 611,350 242,167 355,184
Repurchase of units (in units)   (1,209,328) (919,249)
Shares paid for tax withholding for share based compensation (in shares) 56,597 131,873 89,437
Distributions Per Limited Partnership Unit Outstanding, Basic $ 0.7125 $ 1.415 $ 1.3925