FAIR VALUE MEASUREMENT - Fair Value Measurement Inputs - Purchase Option (Details)	Sep. 30, 2023 year	Dec. 31, 2022 year
Expected volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Purchase option, measurement input	1.200	1.150
Expected term (years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Purchase option, measurement input	2.4	2.7
Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Purchase option, measurement input	0.049	0.043
Weighted average cost of capital
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Purchase option, measurement input	0.459	0.400