v3.26.1
FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair Value Measurement Inputs (Details)
Jun. 30, 2026
Dec. 31, 2025
Expected volatility | Series B Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 1  
Expected volatility | Series C Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 1  
Level 3 | Fair Value Measurements on Recurring Basis | Expected annual dividend yield | Private warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 0 0
Level 3 | Fair Value Measurements on Recurring Basis | Expected annual dividend yield | Series B Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 0 0
Level 3 | Fair Value Measurements on Recurring Basis | Expected annual dividend yield | Series C Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 0 0
Level 3 | Fair Value Measurements on Recurring Basis | Expected volatility | Private warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 1.648 1.015
Level 3 | Fair Value Measurements on Recurring Basis | Expected volatility | Series B Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 0.97 1.015
Level 3 | Fair Value Measurements on Recurring Basis | Expected volatility | Series C Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 0.97 1.015
Level 3 | Fair Value Measurements on Recurring Basis | Risk-free rate of return | Put Option Liability    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Put option liability, measurement input 0.04 0 [1]
Level 3 | Fair Value Measurements on Recurring Basis | Risk-free rate of return | Private warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 0.04 0.037
Level 3 | Fair Value Measurements on Recurring Basis | Risk-free rate of return | Series B Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 0.041 0.037
Level 3 | Fair Value Measurements on Recurring Basis | Expected option term (years) | Private warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Expected option term (in years) 8 months 12 days 2 months 12 days
Level 3 | Fair Value Measurements on Recurring Basis | Expected option term (years) | Series B Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Expected option term (in years) 4 years 4 months 24 days 4 years 10 months 24 days
Level 3 | Fair Value Measurements on Recurring Basis | Expected option term (years) | Series C Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Expected option term (in years) 4 years 4 months 24 days 4 years 10 months 24 days
Level 3 | Fair Value Measurements on Recurring Basis | Risk-free rate of return (Continuous) | Series C Warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 0.041 0.037
Level 3 | Fair Value Measurements on Recurring Basis | Credit Spread | Put Option Liability    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Put option liability, measurement input 0.112 0 [1]
[1]

(1) During June 2025, the Company announced its plans to construct the Thailand Facility, which adjusted the timeline on construction of the Augusta Facility. Because the Put Option is contingent upon the Company incurring any indebtedness that is senior to the Series A Preferred Stock and/or secured by the assets of PureCycle Augusta, LLC, this adjusted timeline resulted in the likelihood of the Put Option being exercised as remote through the end of 2025. During 2026, the likelihood of the Company incurring indebtedness that would be secured by the assets of PureCycle Augusta, LLC became more than remote; accordingly, fair value of the Put Option was measured and recorded as of June 30, 2026.