Financial expenses, net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Financial expenses:
Interest expense	$ (101)	$ (13,068)	$ (13,718)
Revolving credit facility fee	(588)	(79)	0
Amortization of discount and issuance costs	(3,339)	(4,514)	(156)
Foreign currency transaction losses	(4,032)	0	(431)
Others	(779)	(389)	(338)
Financial expenses	(8,839)	(18,050)	(14,643)
Financial income:
Amortization of investments premium	306	1,316	2,331
Foreign currency transaction gains	0	2,648	0
Interest income	791	1,787	4,402
Financial income	1,097	5,751	6,733
Total financial expenses, net	$ (7,742)	$ (12,299)	$ (7,910)