Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule by Year of Future Minimum Lease Payments

The following table summarizes future minimum lease payments as of December 31, 2017, under operating leases that have initial or remaining non-cancelable lease terms in excess of one year.

Year Ending December 31,	Minimum Rental Commitments
2018	$	8,616
2019		9,576
2020		8,670
2021		7,255
2022		6,937
Thereafter		36,075
Total minimum payments	$	77,129