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Equity-Based Compensation of the Operating Partnership (Tables) (Tanger Properties Limited Partnership [Member]) | 3 Months Ended
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Mar. 31, 2013
Tanger Properties Limited Partnership [Member] |
Disclosure of Equity-based Compensation Arrangements by Equity-based Payment Award | We recorded equity-based compensation expense in general and administrative expenses in our consolidated statements of operations as follows (in thousands):
|  | Three months ended March 31,
Restricted units |  | 2013 |  | 2012
Restricted units (1) |  | $ | 1,924 |  |  | $ | 2,850 |
Notional unit performance awards |  | 506 |  |  | 489 |
Options |  | 52 |  |  | 52 |
Total equity-based compensation |  | $ | 2,482 |  |  | $ | 3,391 |
Schedule of Equity-based Compensation, Restricted Stock Units Award Activity | The following table summarizes information related to unvested restricted units outstanding as of March 31, 2013:
Unvested Restricted Units |  | Number of units |  | Weighted-average grant date fair value
Unvested at December 31, 2012 |  | 261,998 |  |  | $ | 97.56 |
Granted |  | 87,343 |  |  | 124.04 |
Vested |  | (72,350 | ) |  | 89.40 |
Forfeited |  | (3,000 | ) |  | 102.44 |
Unvested at March 31, 2013 |  | 273,991 |  |  | $ | 108.12 |

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- Definition Schedule of Equity-based Compensation, Restricted Stock Units Award Activity [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64, 65, A240 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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