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Discontinued Operations (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	1 Months Ended	3 Months Ended	9 Months Ended	11 Months Ended	12 Months Ended
	Feb. 02, 2021	Sep. 30, 2021	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Nov. 30, 2021
Reduction in value of assets	$ 0	$ 14,500	$ 12,400	$ 0		$ 141,110	$ 93,763
Assets held for sale				37,528	$ 37,528	242,104
Complete Energy Services Inc Member \| Subsidiaries Member
Purchase price for acquisitions			$ 14,000
Complete Energy Services Inc Member \| Subsidiaries Member \| Select Energy Services Inc Member
Equity interest acquired		100.00%	100.00%
Complete Energy Services Inc Member \| Subsidiaries Member \| Select Energy Services Inc Member \| Common Class A [Member]
Business acquisitions stock issued			3.6
Business acquisitions, share price		$ 0.01	$ 0.01
Pumpco [Member]
Gain on sale of assets, discontinued operation					10,500
Assets held for sale				$ 7,942	7,942	$ 42,405
Spn Well Services Inc [Member]
Assets held for sale		$ 14,000	$ 14,000					$ 8,500
Sales totaling					$ 11,400