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Commitments and Contingencies - Schedule by Year of Future Minimum Lease Payments (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2016 $ 7,614
2017 5,681
2018 4,292
2019 3,518
2020 2,762
Thereafter 2,609
Total minimum lease payments $ 26,476