Summary of Debt (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Total debt	$ 211,170	$ 92,218
Fair value of embedded derivative	7,866	5,914
Unamortized debt discount	(12,257)	(4,610)
Current portion of debt	(38)	(65)
Long-term portion of debt	206,741	93,457
Equipment note
Debt Instrument [Line Items]
Total debt	38	70
HSBC Facility
Debt Instrument [Line Items]
Total debt	0	10,369
Secured and unsecured debt
Debt Instrument [Line Items]
Total debt	38	10,439
Senior Subordinated Notes
Debt Instrument [Line Items]
Total debt	$ 211,132	$ 81,779

Long Term Debt And Derivative Liabilities Non Current

No definition available.

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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Net fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as assets, net of those classified as liabilities.

+ References

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- Definition

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.

+ References

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-Publisher SEC

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-Number 210

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- Definition

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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