Equity-Based Compensation - The Plan Narrative (Details) $ in Millions |
12 Months Ended |
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Dec. 31, 2020
USD ($)
shares
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Exchange Ratio of Partnership Units for Common Shares | 1 |
| Tanger Factory Outlet Centers, Inc. [Member] | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Compensation Cost Not yet Recognized | $ | $ 16.7 |
| Weighted-average period over cost is expected to be recognized related to unvested common equity-based compensation arrangements | 2 years 10 months 24 days |
| Tanger Factory Outlet Centers, Inc. [Member] | Share-based Payment Arrangement, Option [Member] | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Number of common shares that may be issued (in shares) | 18,700,000 |
| Shares remaining available for future issuance (in shares) | 2,608,000 |
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- Definition Exchange Ratio of Partnership Units for Common Shares, Number of common shares a holder of a partnership unit would receive in exchange for that partnership unit. No definition available.
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Number of shares authorized for issuance under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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