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Subsequent Events - Additional Information (Detail) (USD $) | 9 Months Ended | 0 Months Ended | 9 Months Ended |  | 0 Months Ended | 1 Months Ended
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Sep. 30, 2014 | Oct. 31, 2014 Subsequent Event [Member] Senior Secured Revolving Credit Facility [Member] | Sep. 30, 2014 Subsequent Event [Member] Senior Secured Revolving Credit Facility [Member] | Oct. 31, 2014 Subsequent Event [Member] Senior Secured Revolving Credit Facility [Member] | Oct. 31, 2014 Subsequent Event [Member] Senior Secured Revolving Credit Facility [Member] Minimum [Member] | Oct. 31, 2014 Subsequent Event [Member] Senior Secured Revolving Credit Facility [Member] Maximum [Member] | Oct. 31, 2014 Subsequent Event [Member] Wells Fargo Bank, National Association [Member] Senior Secured Revolving Credit Facility [Member]
Subsequent Event [Line Items] |  |  |  |  |  |  |
Acquisition date |  |  |  |  |  |  | Oct. 31, 2014
Revolving credit facility, maximum revolver amount | $ 786,000 |  |  |  |  |  | $ 25,000,000
Revolving credit facility expiration period |  |  |  |  |  |  | 5 years
Letters of credit |  |  |  | $ 3,000,000 |  |  |
Interest rate base rate description |  | LIBOR rate |  |  |  |  |
Revolving credit facility, description |  |  | The Company may borrow funds under the Revolver from time to time, with interest payable monthly at a base rate determined by using the daily three month LIBOR rate, plus an applicable margin of 2.50% to 3.00% depending on the Company's liquidity as determined on the last day of each calendar month. |  |  |  |
Interest rate margin | 1.00% |  |  |  | 2.50% | 3.00% |

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- Definition Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e845-128460 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Acquisition Date -URI http://asc.fasb.org/extlink&oid=6919109 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e848-128460 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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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. + Details
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- Definition Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions). + 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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