Subsequent Events	6 Months Ended
Jun. 30, 2021
Subsequent Events [Abstract]
Subsequent Events	(23) Subsequent Events Divestiture On July 9, 2021, we entered into a Securities Purchase and Sale Agreement (the “Purchase Agreement”) with SES Holdings, LLC (the “Parent”), Select Energy Services, Inc. (the “Buyer”) (solely to the extent stated therein), and Complete. Pursuant to the Purchase Agreement, the Buyer acquired certain of our onshore oilfield services operations in the United States through the acquisition of 100% of the equity interests of Complete, for a purchase price of approximately $14.0 million in cash and the issuance of 3.6 million shares of Class A common stock, $0.01 par value, of the Buyer, subject to customary post-closing adjustments. The Purchase Agreement also contains certain registration rights of the Company which required the Buyer to file a registration statement with the SEC for the resale of the Class A common stock issued to us. On August 26, 2021 the Buyer filed a registration statement on Form S-1 to register the resale of the 3.6 million shares of Class A common stock acquired by us, which was declared effective by the SEC on September 3, 2021. The Purchase Agreement contains customary representations, warranties and covenants. As discussed above, in connection with this disposition, during the second quarter of 2021, we recognized a reduction in value of assets related to Complete for approximately $12.4 million.

Subsequent Events

6 Months Ended

Jun. 30, 2021

(23) Subsequent Events

Divestiture

On July 9, 2021, we entered into a Securities Purchase and Sale Agreement (the “Purchase Agreement”) with SES Holdings, LLC (the “Parent”), Select Energy Services, Inc. (the “Buyer”) (solely to the extent stated therein), and Complete. Pursuant to the Purchase Agreement, the Buyer acquired certain of our onshore oilfield services operations in the United States through the acquisition of 100% of the equity interests of Complete, for a purchase price of approximately $14.0 million in cash and the issuance of 3.6 million shares of Class A common stock, $0.01 par value, of the Buyer, subject to customary post-closing adjustments. The Purchase Agreement also contains certain registration rights of the Company which required the Buyer to file a registration statement with the SEC for the resale of the Class A common stock issued to us. On August 26, 2021 the Buyer filed a registration statement on Form S-1 to register the resale of the 3.6 million shares of Class A common stock acquired by us, which was declared effective by the SEC on September 3, 2021. The Purchase Agreement contains customary representations, warranties and covenants. As discussed above, in connection with this disposition, during the second quarter of 2021, we recognized a reduction in value of assets related to Complete for approximately $12.4 million.