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INCOME TAXES - Additional Information (Detail)	3 Months Ended
INCOME TAXES - Additional Information (Detail)	Mar. 31, 2012
Income Taxes [Line Items]
Effective income tax rate from continuing operations applicable to our Taxable REIT Subsidiary, excluding discrete items	25.00%

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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