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Balance Sheet Details - Future Expected Amortization Expense Related to Intangible Assets (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Balance Sheet Related Disclosures [Abstract]  
2016 $ 4,001
2017 3,995
2018 2,844
2019 2,410
2020 1,811
Thereafter 6,555
Total future expected amortization expense $ 21,616