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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 |  |  |

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