Discontinued Operations (Assets And Liabilities Of Discontinued Operation) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total current assets	$ 18,314	$ 37,528
Pumpco Member
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net	2,111	7,469
Property, plant and equipment, net	16,042	29,328
Other assets	161	731
Total assets held for sale	18,314	37,528
Disposal Group, Including Discontinued Operation, Accounts Payable	134	652
Disposal Group, Including Discontinued Operation, Accrued Liabilities	3,309	4,268
Other liabilities	223	687
Total liabilities held for sale	$ 3,666	$ 5,607