Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Minimum Aggregate Rental Payments Due Under Non-Cancelable Lease Contracts

As of December 31, 2017, the minimum aggregate rental payments due under non-cancelable lease contracts are as follows (in thousands):

2018	$	6,724
2019		3,764
2020		3,459
2021		1,472
2022		1,316
2023 and thereafter		15,448
	$	32,183