ACCOUNTING STANDARDS (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use assets under operating leases, net	$ 10,196	$ 10,764
Total lease liabilities		12,829
Accumulated deficit	$ (522,618)	$ (394,053)
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use assets under operating leases, net			$ 10,300
Total lease liabilities			$ 13,500