Derivatives (Schedule of Effect on Operating Results) (Details) - Commodity Derivatives - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income (Loss)	$ 915	$ (103)	$ 545	$ (3,263)
Contracts designated as hedges under accounting guidance | Onshore transportation and services product costs
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income (Loss)	1,370	(59)	1,087	(2,977)
Contracts not considered hedges under accounting guidance | Onshore transportation and services product costs
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income (Loss)	$ (455)	$ (44)	$ (542)	$ (286)