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:
Federal	$ 353
State	94	$ 139	$ 48
Foreign	492	116	753
Current income tax expense (benefit), Total	939	255	801
Deferred:
Federal	(15,835)	(16,460)	(11,425)
State	(6,115)	(5,100)	(3,250)
Foreign	(6,595)	(751)	(1,135)
Deferred income tax expense (benefit), Total	(28,545)	(22,311)	(15,810)
Change in valuation allowance	25,339	22,481	15,805
Total	$ (2,267)	$ 425	$ 796