Income Taxes - Narrative (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				3 Months Ended			3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012 Deferred tax asset, Basis of Hotels [Member]	Feb. 29, 2012 Deferred tax asset, Basis of Hotels [Member]	Mar. 31, 2013 Hotel [Member]	Dec. 31, 2012 Hotel [Member]	Feb. 29, 2012 Hotel [Member]	Mar. 31, 2013 Hotel [Member] Net income from discontinued operations [Member]	Mar. 31, 2013 Taxable REIT Subsidiary [Member] Net income from discontinued operations [Member]	Mar. 31, 2012 Taxable REIT Subsidiary [Member] Net income from discontinued operations [Member]	Mar. 31, 2013 Taxable REIT Subsidiary [Member] Minimum [Member] U.S. federal, state and local tax authorities [Member]	Mar. 31, 2013 Taxable REIT Subsidiary [Member] Maximum [Member] U.S. federal, state and local tax authorities [Member]
Income Taxes [Line Items]
Income tax expense	$ 255	$ 295							$ 309	$ 295
Year open to tax examination											2009	2011
Deferred tax asset, different book and tax basis of asset							900
Income tax expense (benefit) from adjustment of a deferred tax asset of a discontinued operation						(600)
Deferred tax asset valuation allowance				900
Deferred tax asset valuation allowance - decrease			(600)
Increase in deferred tax assets, net					54
Income tax benefit recorded as a component of discontinued operations								$ 54

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

+ References+ Details

- Definition

Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Financial Accounting Standard (FAS)

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Financial Accounting Standard (FAS)

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-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

- Definition

The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns.

+ References+ Details

CreXus Investment Corp. 10-Q