XML 71 R61.htm IDEA: XBRL DOCUMENT v3.22.2
Fair Value Measurements - Narrative (Details) - USD ($)
May 02, 2022
Jun. 25, 2022
Dec. 31, 2021
Money market funds | Fair Value, Inputs, Level 1 [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Cash and cash equivalents   $ 2,000,000 $ 0
GreenFirst      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Sale of shares of equity securities (in shares) 28,684,433    
Proceeds from sale of equity securities $ 43,000,000    
Purchase price protection clause term (in months) 18 months