Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2018

Commitments And Contingencies Disclosure [Abstract]

Summary of Principal Contractual Obligations

The following table summarizes the Company’s principal contractual commitments as of September 30, 2018 (in thousands):

	Operating Leases (a)		Purchase Commitments		Other Contractual Commitments		Total
2018 (remaining three months)	$	498	$	10,535	$	91	$	11,124
2019		1,979		4,035		33		6,047
2020		1,782		450		—		2,232
2021		1,357		450		—		1,807
2022		1,133		450		—		1,583
Thereafter		—		—		—		—
Total	$	6,749	$	15,920	$	124	$	22,793

(a) Operating lease payments have not been reduced by sublease rentals of $2.8 million due in the future under noncancelable subleases.