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Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2017
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Minimum Future Lease Payments
Future minimum lease payments under noncancelable operating leases as of September 30, 2017 are as follows (in thousands):
Year Ended December 31,
 
2017
$
6,985

2018
6,574

2019
6,342

2020
4,775

2021
4,743

Thereafter
23,370

 
$
52,789