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Earnings Per Unit of the Operating Partnership (Tanger Properties Limited Partnership [Member]) | 12 Months Ended
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Dec. 31, 2012
Tanger Properties Limited Partnership [Member] |
Earnings Per Unit of the Operating Partnership | Earnings Per Unit of the Operating Partnership The following table sets forth a reconciliation of the numerators and denominators in computing earnings per unit for the years ended December 31, 2012, 2011 and 2010 (in thousands, except per unit amounts):
|  | 2012 |  | 2011 |  | 2010
NUMERATOR |  |  |  |  |  |
Income from continuing operations available to partners of the Operating Partnership |  | $ | 56,495 |  |  | $ | 50,997 |  |  | $ | 38,342 |
Applicable preferred unit distributions |  | — |  |  | — |  |  | (5,297 | )
Original issuance costs related to redeemed preferred units |  | — |  |  | — |  |  | (2,539 | )
Allocation of earnings to participating securities |  | (784 | ) |  | (684 | ) |  | (598 | )
Income from continuing operations available to common unitholders of the Operating Partnership |  | 55,711 |  |  | 50,313 |  |  | 29,908 |
Discontinued operations |  | — |  |  | — |  |  | (98 | )
Net income available to common unitholders of the Operating Partnership |  | $ | 55,711 |  |  | $ | 50,313 |  |  | $ | 29,810 |
DENOMINATOR |  |  |  |  |  |
Basic weighted average common units |  | 24,419 |  |  | 23,723 |  |  | 23,080 |
Effect of notional units |  | 212 |  |  | 241 |  |  | — |
Effect of exchangeable notes |  | — |  |  | 23 |  |  | 28 |
Effect of outstanding options |  | 20 |  |  | 18 |  |  | 23 |
Diluted weighted average common units |  | 24,651 |  |  | 24,005 |  |  | 23,131 |
Basic earnings per common unit: |  |  |  |  |  |
Income from continuing operations |  | $ | 2.28 |  |  | $ | 2.12 |  |  | $ | 1.29 |
Discontinued operations |  | — |  |  | — |  |  | — |
Net income |  | $ | 2.28 |  |  | $ | 2.12 |  |  | $ | 1.29 |
Diluted earnings per common unit: |  |  |  |  |  |
Income from continuing operations |  | $ | 2.26 |  |  | $ | 2.10 |  |  | $ | 1.29 |
Discontinued operations |  | — |  |  | — |  |  | — |
Net income |  | $ | 2.26 |  |  | $ | 2.10 |  |  | $ | 1.29 |
The notional units are considered contingently issuable common units and are included in earnings per unit if the effect is dilutive using the treasury stock method. When the Company issues common shares upon exercise of options or issues restricted common share awards, the Operating Partnership issues one corresponding unit to the Company for every four common shares issued. Outstanding senior, exchangeable notes were included in the diluted earnings per unit computation, if the effect was dilutive, using the treasury stock method. In applying the treasury stock method, the effect was dilutive if the average market price of the Company's common shares for at least 20 trading days in the 30 consecutive trading days at the end of each quarter were higher than the exchange price, which prior to redemption was $17.83 per common share.The remaining senior exchangeable notes were exchanged for the Company's common shares during 2011. The computation of diluted earnings per unit excludes options to purchase common units when the exercise price is greater than the average market price of the common units for the period. The market price of a common unit is considered to be equivalent to four times the market price of a Company common share. For the year ended December 31, 2012 and 2011, 4,400 and 45,875 options were excluded from the computation. No options were excluded from the computation for the year ended December 31, 2010. The Company's unvested restricted common share awards contain non-forfeitable rights to distributions or distribution equivalents. The impact of the unvested restricted unit awards on earnings per unit has been calculated using the two-class method whereby earnings are allocated to the unvested restricted unit awards based on distributions declared and the unvested restricted units' participation rights in undistributed earnings.

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- Definition The complete disclosure pertaining to an entity's earnings per unit. + References No definition available. + Details
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