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Commitments and Contingencies - Schedule of Future Minimum Rental Payments under Operating Leases with Remaining Non-Cancelable Terms (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
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|---|---|
| Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] | |
| 2015 | $ 8,040 |
| 2016 | 5,510 |
| 2017 | 3,159 |
| 2018 | 2,780 |
| 2019 | 2,778 |
| 2020 and beyond | 12,664 |
| Total | $ 34,931 |