FAIR VALUE MEASUREMENTS - Level 3 fair value measurements for Private Placement (Details)	2 Months Ended	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Change in fair value of convertible note, net - related party	$ 0	$ 65,344
Convertible Promissory Notes [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of the loan		1,934,656
Change in fair value of convertible note, net - related party		$ 65,344
Risk-free interest rate \| Level 3 \| Convertible Promissory Notes [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement input		1.27
Expected term (years) \| Level 3 \| Convertible Promissory Notes [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement input		5.17
Expected volatility \| Level 3 \| Convertible Promissory Notes [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement input		13.50
Exercise price \| Level 3 \| Convertible Promissory Notes [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement input		11.50
Fair value of Units \| Level 3 \| Convertible Promissory Notes [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement input		9.84

Longview Acquisition Corp. II 10-K