SHARE-BASED COMPENSATION - Stock-based compensation expense - Options (Details) - Stock options - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Former Chief Executive Officer
Share-Based Compensation Awards
Stock-based compensation expenses		$ 9,286		$ 9,286
Employees and directors
Share-Based Compensation Awards
Stock-based compensation expenses	$ 3,447	13,549	$ 8,564	18,566
Share based compensation acceleration cost			1,706
Employees and directors | Research and development expense
Share-Based Compensation Awards
Stock-based compensation expenses	1,274	2,002	3,454	3,781
Employees and directors | Selling, general, and administrative
Share-Based Compensation Awards
Stock-based compensation expenses	$ 2,173	$ 11,547	$ 5,110	$ 14,785