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Future Minimum Lease Payments (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2016 $ 6,662
2017 6,114
2018 5,204
2019 4,143
2020 3,781
Thereafter 15,473
Operating Leases, Future Minimum Payments Due, Total $ 41,377