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Indebtedness - Additional Information (Detail) - USD ($)	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Debt Instrument [Line Items]
Available borrowings capacity under credit agreement		$ 51,156,000
Senior secured credit facility term	5 years
Duration of losses in other comprehensive income expected to be reclassified to earnings	12 months
Maximum
Debt Instrument [Line Items]
Capacity to increase borrowings under credit agreement	$ 40,189,000
Term Loan | Maximum
Debt Instrument [Line Items]
Accordion feature	100,000,000
Revolving Line of Credit
Debt Instrument [Line Items]
Available borrowings capacity under credit agreement	200,000,000
Cash Flow Hedging | Interest Rate Swap
Debt Instrument [Line Items]
Gains (losses) in other comprehensive income expected to be reclassified to earnings	$ 0

X

- Definition

Line of Credit Facility, Additional Borrowing Capacity

+ References

No definition available.

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- Definition

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- Definition

Estimated period for the anticipated transfer of gain (loss), net, from accumulated other comprehensive income into earnings, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

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- Definition

Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.19(b),22(b))



-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.22)



-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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