Basis of Presentation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Reclassification [Line Items]
Revenues	$ 107,858	$ 107,922	$ 221,677	$ 220,816
Natural gas storage
Reclassification [Line Items]
Revenues	3,223	3,589	6,407	6,633
Other
Reclassification [Line Items]
Revenues	$ 422	282	$ 1,350	855
Previously Reported [Member] | Natural gas storage
Reclassification [Line Items]
Revenues		300		900
Revision of Prior Period, Adjustment [Member] | Other
Reclassification [Line Items]
Revenues		$ 300		$ 900