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Commitments and Contingencies - Minimum Future Lease Payments for Non-Cancelable Leases (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2014 $ 10,236
2015 6,078
2016 2,475
2017 527
2018 326
Thereafter 108
Total minimum lease payments $ 19,750