Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

The future minimum lease payments for operating leases as of December 31, 2017, consisted of the following (in thousands):

Years Ending	Operating
December 31	Leases
2018	$	12,293
2019	11,237
2020	9,307
2021	7,527
2022	6,468
Thereafter	57,211
Total minimum lease payments	$	104,043