Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Future Minimum Lease Payments Under Non-Cancelable Operating Leases

As of December 31, 2017, the future minimum lease payments under non-cancelable operating leases are as follows (in thousands):

	Year ended
	December 31, 2017
2018	4,969
2019	4,050
2020	3,345
2021	2,990
2022	1,762
Thereafter	135
Total	$	17,251