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FAIR VALUE MEASUREMENTS - Summary of Fair Value Measurement Inputs and Valuation Techniques (Details)

v3.21.4
FAIR VALUE MEASUREMENTS - Summary of Fair Value Measurement Inputs and Valuation Techniques (Details)
Sep. 30, 2021
$ / shares
Feb. 12, 2021
$ / shares
Dec. 31, 2020
Dec. 31, 2020
$ / shares
Foresight Acquisition Corp [Member] | Private Placement Warrants [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Warrants and Rights Outstanding, Measurement Input 9.86 9.65    
Risk-free interest rate [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Warrants and Rights Outstanding, Measurement Input 0.09   0.10  
Risk-free interest rate [Member] | Foresight Acquisition Corp [Member] | Private Placement Warrants [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Warrants and Rights Outstanding, Measurement Input 0.0095 0.0056    
Trading days per year [Member] | Foresight Acquisition Corp [Member] | Private Placement Warrants [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Warrants and Rights Outstanding, Measurement Input 252 252    
Expected volatility [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Warrants and Rights Outstanding, Measurement Input 60.00   65.00  
Expected volatility [Member] | Foresight Acquisition Corp [Member] | Private Placement Warrants [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Warrants and Rights Outstanding, Measurement Input 15.3 17.8    
Exercise price [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Warrants and Rights Outstanding, Measurement Input 4.68   4.68 4.68
Exercise price [Member] | Foresight Acquisition Corp [Member] | Private Placement Warrants [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Warrants and Rights Outstanding, Measurement Input 11.50 11.50