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Earnings Per Unit of the Operating Partnership (Tables) | 12 Months Ended
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Dec. 31, 2018
Tanger Properties Limited Partnership [Member] |
Schedule of Earnings Per Share, Basic and Diluted | The following table sets forth a reconciliation of the numerators and denominators in computing earnings per unit for the years ended December 31, 2018, 2017 and 2016 (in thousands, except per unit amounts):
|  | 2018 |  | 2017 |  | 2016
Numerator |  |  |  |  |  |
Net income attributable to partners of the Operating Partnership |  | $ | 45,984 |  |  | $ | 71,611 |  |  | $ | 204,031 |
Allocation of earnings to participating securities |  | (1,211 | ) |  | (1,209 | ) |  | (1,928 | )
Net income available to common unitholders of the Operating Partnership |  | $ | 44,773 |  |  | $ | 70,402 |  |  | $ | 202,103 |
Denominator |  |  |  |  |  |
Basic weighted average common units |  | 98,302 |  |  | 99,533 |  |  | 100,155 |
Effect of notional units |  | — |  |  | — |  |  | 175 |
Effect of outstanding options and certain restricted common units |  | 1 |  |  | 16 |  |  | 68 |
Diluted weighted average common units |  | 98,303 |  |  | 99,549 |  |  | 100,398 |
Basic earnings per common unit: |  |  |  |  |  |
Net income |  | $ | 0.45 |  |  | $ | 0.71 |  |  | $ | 2.02 |
Diluted earnings per common unit: |  |  |  |  |  |
Net income |  | $ | 0.45 |  |  | $ | 0.71 |  |  | $ | 2.01 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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