Commitments and Contingencies - Future Minimum Lease Payments under Noncancelable Capital and Operating Leases (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]
2014	$ 2,167
2015	2,295
2016	1,520
2017
2018
Total	$ 5,982

Capital And Operating Leases Future Minimum Payments Due In Five Years

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Capital And Operating Leases Future Minimum Payments Due In Four Years

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Capital And Operating Leases Future Minimum Payments Due In Three Years

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Capital And Operating Leases Future Minimum Payments Due In Two Years

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Capital And Operating Leases Future Minimum Payments Due Next Twelve Months

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Capital Leases And Operating Leases Future Minimum Payments Due

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