Balance Sheet Components - Breakdown of the Company Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Concentration Risk [Line Items]
Revenues	$ 71,691	$ 101,063	$ 160,180	$ 191,265
U.S. revenue
Concentration Risk [Line Items]
Revenues	57,817	78,499	126,223	148,898
Non-U.S. revenue
Concentration Risk [Line Items]
Revenues	$ 13,874	$ 22,564	$ 33,957	$ 42,367