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Partners' Equity of the Operating Partnership (Tables) | 3 Months Ended
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Mar. 31, 2021
Tanger Properties Limited Partnership [Member] |
Schedule of Partners' Equity of the Operating Partnership [Line Items] |
Schedule of Partners' Equity of the Operating Partnership | The following table sets forth the changes in outstanding partnership units for the three months ended March 31, 2021 and March 31, 2020:
|  |  |  | Limited Partnership Units
|  | General Partnership Units |  | Class A |  | Class B |  | Total
Balance December 31, 2019 |  | 1,000,000 |  |  | 4,911,173 |  |  | 91,892,260 |  |  | 96,803,433 |
Grant of restricted common share awards by the Company, net of forfeitures |  | — |  |  | — |  |  | 241,038 |  |  | 241,038 |
Units withheld for employee income taxes |  | — |  |  | — |  |  | (56,597) |  |  | (56,597) |
Balance March 31, 2020 |  | 1,000,000 |  |  | 4,911,173 |  |  | 92,076,701 |  |  | 96,987,874 |
Balance December 31, 2020 |  | 1,000,000 |  |  | 4,794,643 |  |  | 92,569,801 |  |  | 97,364,444 |
Grant of restricted common share awards by the Company, net of forfeitures |  | — |  |  | — |  |  | 469,675 |  |  | 469,675 |
Issuance of units |  | 100,000 |  |  | — |  |  | 6,767,078 |  |  | 6,767,078 |
Units withheld for employee income taxes |  | — |  |  | — |  |  | (111,977) |  |  | (111,977) |
Balance March 31, 2021 |  | 1,100,000 |  |  | 4,794,643 |  |  | 99,694,577 |  |  | 104,489,220 |

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