Long-term Debt - Schedule of Maturities of Long-term Debt (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Revolving Line of Credit		$ 27,269us-gaap_LineOfCredit
Term Loan due July 7, 2019	24,688us-gaap_LongTermLoansPayable
Various notes payable, maturing through December 2016; payable in various monthly installments, including interest rates ranging from 0.0% to 10.0%	822us-gaap_NotesPayable	757us-gaap_NotesPayable
Total long term debt	26,856us-gaap_LongTermDebt	28,026us-gaap_LongTermDebt
Total long term debt	26,856us-gaap_LongTermDebt	28,026us-gaap_LongTermDebt
Less: current maturities	(1,786)us-gaap_LongTermDebtCurrent	(255)us-gaap_LongTermDebtCurrent
Long-term debt, less current maturities	25,070us-gaap_LongTermDebtNoncurrent	27,771us-gaap_LongTermDebtNoncurrent
Vehicles and Equipment Notes Payable [Member]
Debt Instrument [Line Items]
Term Loan due July 7, 2019	$ 1,346

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

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