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Commitments and Contingencies - Minimum Lease Payments under Non Cancelable Operating Leases (Detail)
$ in Thousands
Jun. 30, 2015
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2015 $ 4,536
2016 3,997
2017 1,934
2018 2,047
2019 1,737
Thereafter 7,147
Total minimum lease payments $ 21,398