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Income Taxes - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2009 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2009
Income Tax Disclosure [Abstract] |  |  |  |
Net deferred tax (liabilities) assets |  | $ (133) | $ (169) |
Valuation allowance |  | 5,357 | 5,244 |
Received refund from the IRS | 40,418 |  |  |
Amount of refund claim up to which IRS examination team is required by statute to review all refunds |  |  |  | 2,000
Adjustment to Taxable Income |  |  |  | 13,700
Taxes owed |  |  |  | 4,806
Accrued interest |  | 500 |  |
Preferred stock distributions taxable as capital gain |  |  | $ 8,238 |
Long-term Capital Gains as a Percentage of Distribution |  |  | 35.42% |
Return of Capital as a Percentage of Distribution |  |  | 64.58% |

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- Definition Preferred Stock Distributions Taxable as Capital Gain + References No definition available. + Details
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition The amount of estimated interest recognized in the period arising from income tax examinations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition The amount of estimated penalties recognized in the period arising from income tax examinations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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