Fair Value Measurements (Recurring) (Details) - Recurring - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Nuvve Holding Warrants	$ 0	$ 0
Stonepeak Warrant	(1,328)	(2,853)
Total	(1,328)	(2,853)
Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Nuvve Holding Warrants	0	0
Stonepeak Warrant	0	0
Total	0	0
Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Nuvve Holding Warrants	0	0
Stonepeak Warrant	(1,328)	(2,853)
Total	(1,328)	(2,853)
Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Nuvve Holding Warrants	0	0
Stonepeak Warrant	0	0
Total	$ 0	$ 0