Income Taxes - Schedule of Provision for (Benefit from) Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current income tax expense:
Federal	$ 0	$ 14	$ (70)
State	28	10	48
Foreign	337	873	677
Total current income tax expense	365	897	655
Deferred income tax expense:
Federal	324	(1,087)	(483)
State	3	121	562
Foreign	487	(2,710)	(586)
Total deferred income tax expense (benefit)	814	(3,676)	(507)
Total provision for (benefit from) income taxes	$ 1,179	$ (2,779)	$ 148