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Income Taxes - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2015 USD ($)
Income Tax Examination [Line Items]
Gross liability for tax and interest positions	$ 209,000
Reduction in income tax liability if tax positions sustained	$ 57,000
Income tax examination years description	The Company is no longer subject to U.S. Federal income tax examinations for the years prior to 2011.
State Tax Authority | Minimum
Income Tax Examination [Line Items]
Income tax examination year	2011
State Tax Authority | Maximum
Income Tax Examination [Line Items]
Income tax examination year	2014

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- Definition

A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings.

+ 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 (d)(2)



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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Tax year being audited in the income tax examination, in CCYY format.

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The current portion of the amount recognized for uncertain tax positions as of the balance sheet date.

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-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

+ References

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-Name Accounting Standards Codification



-Topic 740



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