Fair Value Measurements - Measurement Inputs (Details)	Dec. 31, 2021	Aug. 28, 2021
Expected Term
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input of investment in GreenFirst Shares	0.16	0.5
Risk-free rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input of investment in GreenFirst Shares	0.0010	0.0020
Dividend yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input of investment in GreenFirst Shares	0	0
Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input of investment in GreenFirst Shares	0.7377	0.9204
DLOM
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input of investment in GreenFirst Shares	0.0677	0.1438