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Revenue From Contracts With Customers - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Coal
Disaggregation of Revenue [Line Items]
Capitalized contract cost, net	$ 0		$ 0		$ 0
Capitalized contract cost, amortization	0	$ 0	0	$ 0
Contract with customer, liability, revenue recognized	0
Terminal Revenue
Disaggregation of Revenue [Line Items]
Capitalized contract cost, net	0		0		$ 0
Capitalized contract cost, amortization	0	$ 0	$ 0	$ 0
Contract with customer, liability, revenue recognized	$ 0