Note Receivable (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended	8 Months Ended	9 Months Ended
	Feb. 02, 2021	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Amount of notes receivable		$ 2,600		$ 2,600		$ 2,600
Cost and Timing of Decommissioning		53,000		53,000		53,000
Capitalized Costs Asset		38,200		38,200		38,200
Gain recognized from changes in cost and timing				17,400		17,400
Amount of notes receivable net		2,600		2,600		2,600
Note receivable		66,078				$ 66,078	$ 60,588
Change In Gross Amount Of Sellers Obligation				$ 106,900
Notes Receivable, Seller Obligation [Member]
Financing Receivable, Past Due [Line Items]
Interest rate percentage to record present value of notes receivable						5.60%
Company recorded interest income	$ 400	$ 900	$ 1,200		$ 3,100	$ 2,900