Debt - Principal Payments on Debt (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014
Commitments and Contingencies Disclosure [Abstract]
Remainder of 2014	$ 2,018
2015	6,869
2016	54,894
2017	6,667
2018	6,667
Thereafter	6,666
Total	83,781
Add: capital lease principal payments	1,491
Less: debt discount	(6,613)
Total	78,659
Less: current portion of long-term debt	(8,042)
Long-term debt, net of current portion	$ 70,617

Unamortized debt issuance and debt discount.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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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 and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the remainder of the fiscal year following the latest fiscal year ended.

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Amount of long-term debt of the registrant maturing after the fifth rolling twelve months following the latest balance sheet presented.

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