Summary Of Significant Accounting Policies (Narrative) (Details) $ in Thousands	1 Months Ended	11 Months Ended		12 Months Ended
	Feb. 02, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2023 USD ($) Customer	Dec. 31, 2022 USD ($) Customer	Dec. 31, 2021 Customer
Summary Of Significant Accounting Policies [Line Items]
Payment term of obligation				30 days
Other gains				$ 6,500	$ 29,100
Number of customers exceeding threshhold measurement | Customer				10	10	10
Allowance for doubtful accounts				$ 6,300	$ 6,100
Other (gains) and losses, net	$ 0	$ 16,726		(6,549)	(29,134)
Restricted Cash				85,400
Asia Pacific [Member]
Summary Of Significant Accounting Policies [Line Items]
Other (gains) and losses, net		11,700
Decommissioning liability [Member]
Summary Of Significant Accounting Policies [Line Items]
Other (gains) and losses, net					17,400
Well Services [Member]
Summary Of Significant Accounting Policies [Line Items]
Other gains				5,000	23,600
Other (gains) and losses, net		13,100
Shut Down Cost		8,900
Inventory write down			$ 6,500
Other ShutDown Cost			$ 2,400
Rentals [Member]
Summary Of Significant Accounting Policies [Line Items]
Other gains					$ 5,200
Other (gains) and losses, net		$ 3,600
Collateral, Secured Obligations [Member]
Summary Of Significant Accounting Policies [Line Items]
Restricted Cash				32,300
Escrow, Future Decommissioning Obligations [Member]
Summary Of Significant Accounting Policies [Line Items]
Restricted Cash				$ 51,600