Derivatives - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Aug. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss), investment and derivative	$ 289,228
Fair Value Adjustment of Commodity Derivative Instruments	(52,204)	$ 52,204
Interest Rate Contract | Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instrument, amount settled			$ 50
Coal Contract
Derivative Instruments, Gain (Loss) [Line Items]
Fair Value Adjustment of Commodity Derivative Instruments	$ (52,204)	$ 52,204