PROPERTY AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Total property and equipment, net	$ 5,254	$ 6,201
United States
Property, Plant and Equipment [Line Items]
Total property and equipment, net	1,657	2,098
EMEA
Property, Plant and Equipment [Line Items]
Total property and equipment, net	3,136	3,436
All other countries
Property, Plant and Equipment [Line Items]
Total property and equipment, net	$ 461	$ 667