Financial Expenses, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Financial expenses:
Interest expense	$ (13,718)	$ (13,491)	$ (10,261)
Amortization of credit facility costs	(156)	(2,777)	(1,111)
Foreign currency transaction losses	(431)	(398)	0
Others	(338)	(242)	(321)
Financial expenses	(14,643)	(16,908)	(11,693)
Financial income:
Amortization of treasury bills premium	2,331	1,986	859
Foreign currency remeasurement loss (gain)	0	0	549
Interest income	4,402	2,652	1,116
Financial income	6,733	4,638	2,524
Total financial expenses, net	$ (7,910)	$ (12,270)	$ (9,169)