Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of future minimum rental payments for operating leases

Future minimum lease payments under non-cancelable operating leases as of December 31, 2017 are as follows:

	Amount
Year ended December 31,
2018	$	7,371
2019	6,560
2020	5,364
2021	3,247
2022	1,824
Thereafter	12,947
	$	37,313