SHARE-BASED COMPENSATION - Stock option grants (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-Based Compensation Awards
Weighted average grant-date fair value of stock options granted (in dollars per share)	$ 5.50	$ 6.28	$ 3.65	$ 6.28
Granted (in shares)	208,200	425,000	1,744,900	425,000
Senior executives and certain other employees under retention program
Share-Based Compensation Awards
Granted (in shares)			1,105,500
Stock options
Share-Based Compensation Awards
Term of award	10 years
Stock options | Senior executives and certain other employees under retention program
Share-Based Compensation Awards
Granted (in shares)	124,500
Risk-free interest rate (as a percent)	3.90%
Expected term (in years)	6 years 3 months
Stock options | Non-executive directors
Share-Based Compensation Awards
Granted (in shares)	83,700
Vesting period	1 year
Risk-free interest rate (as a percent)	3.90%
Expected term (in years)	5 years 6 months
Stock options | Tranche one | Senior executives and certain other employees under retention program
Share-Based Compensation Awards
Vesting period	1 year
Vesting (as a percent)	25.00%
Stock options | Tranche two | Senior executives and certain other employees under retention program
Share-Based Compensation Awards
Vesting period	36 months