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CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (Parenthetical) | 9 Months Ended
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Sep. 30, 2018 $ / shares $ / Units shares | Sep. 30, 2017 $ / shares $ / Units shares
Tanger Factory Outlet Centers, Inc. [Member] |  |
Common shares/units issued upon exercise of options (in shares) |  | 1,800
Grant of restricted common share awards, net of forfeitures (in shares) | 355,184 | 411,968
Shares repurchased and retired during period (in shares) | 919,249 | 1,911,585
Shares paid for tax withholding for share based compensation (in shares) | 89,437 | 69,886
Dividends declared per common share (in dollars per share) | $ / shares | $ 1.0425 | $ 1.01
Tanger Properties Limited Partnership [Member] |  |
Common shares/units issued upon exercise of options (in shares) |  | 1,800
Grant of restricted common share awards, net of forfeitures (in shares) | 355,184 | 411,968
Shares repurchased and retired during period (in shares) | 919,249 | 1,911,585
Shares paid for tax withholding for share based compensation (in shares) | 89,437 | 69,886
Common distributions (in dollars per share) | $ / Units | 1.0425 | 1.01

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