FAIR VALUE MEASUREMENTS - Narrative (Details) $ in Thousands	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 246,484	$ 361,778
Arix
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 41,700
Equity Securities | Discount rate | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0.03
Equity Securities | Expected term | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	3
Equity Securities | Price volatility | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0.45
Series A warrants | Expected term | Black Scholes Model
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	5.54	5.79
Series A warrants | Price volatility | Black Scholes Model
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0.38	0.30
Series A warrants | Risk free interest rate | Black Scholes Model
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0.0241	0.0133
Series B warrants | Expected term | Scenario 1 | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	5.63	5.88
Series B warrants | Expected term | Scenario 2 | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0.4	0.65
Series B warrants | Price volatility | Scenario 1 | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0.38	0.30
Series B warrants | Price volatility | Scenario 2 | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0.29	0.25
Series B warrants | Risk free interest rate | Scenario 1 | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0.0241	0.0134
Series B warrants | Risk free interest rate | Scenario 2 | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0.0085	0.0025
Embedded Derivative | Discount rate | Scenario 2 | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0.112
Embedded Derivative | Expected term | Scenario 2 | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	5.63	5.87
Embedded Derivative | Price volatility | Scenario 2 | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0.38	0.30
Embedded Derivative | Risk free interest rate | Scenario 2 | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0.024	0.013
Embedded Derivative | Expected dividend rate | Scenario 2 | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input	0	0
Embedded Derivative | Credit spread | Scenario 2 | Monte Carlo Method
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt instrument, measurement input		0.096