SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Stock-based compensation (Details)	12 Months Ended
	Dec. 31, 2022 shares
Deferred Compensation, Share-based Payments
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum annual installments period (years)	10 years
2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	170,000
Trading days period	30 days