Fair Value Measurements - Valuation of Warrants (Details)	Mar. 31, 2023 $ / shares	Dec. 31, 2022 $ / shares
Legacy Forge warrant liabilities | Monte Carlo Model | Fair value of underlying securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	1.75	1.73
Legacy Forge warrant liabilities | Monte Carlo Model | Expected term (years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	2.6	2.9
Legacy Forge warrant liabilities | Monte Carlo Model | Expected volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	0.404	0.461
Legacy Forge warrant liabilities | Monte Carlo Model | Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	0.039	0.042
Legacy Forge warrant liabilities | Monte Carlo Model | Expected dividend yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	0.000	0.000
Legacy Forge warrant liabilities | Monte Carlo Model | Fair value per warrant
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	0.09	0.15
Private placement warrants | Binomial Lattice Model | Fair value of underlying securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	1.75	1.73
Private placement warrants | Binomial Lattice Model | Expected term (years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	4.0	4.2
Private placement warrants | Binomial Lattice Model | Expected volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	0.442	0.446
Private placement warrants | Binomial Lattice Model | Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	0.037	0.041
Private placement warrants | Binomial Lattice Model | Expected dividend yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	0.000	0.000
Private placement warrants | Binomial Lattice Model | Fair value per warrant
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants measurement input	0.03	0.03