FAIR VALUE MEASUREMENT - Fair Value Measurement Inputs - Purchase Option (Details) (Details)	Dec. 31, 2023	Dec. 31, 2022
Expected volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Purchase option, measurement input	1.250	1.150
Expected term (years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Purchase option, measurement input	2.2	2.7
Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Purchase option, measurement input	0.042	0.043
Weighted average cost of capital
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Purchase option, measurement input	0.506	0.400