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Long Term Debt - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 3 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2013 Revolving Credit Facility [Member]
Debt Instrument [Line Items] |  |
Repayment of debt | $ 15,000 | $ 15,000
Available borrowing capacity |  | $ 75,000

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- Details
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Period Type: | duration

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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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Balance Type: | credit
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References No definition available. + Details
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Balance Type: | credit
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