CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net (loss) income	$ (36,260)	$ 7,172	$ (380,524)	$ 16,640
Other comprehensive (loss) income
Foreign currency translation adjustment, net of tax of $0		380		368
Comprehensive (loss) income	(36,260)	7,552	(380,524)	17,008
Less: comprehensive loss (income) attributable to noncontrolling interests	5,719	(1,888)	59,823	(4,013)
Comprehensive (loss) income attributable to Select Energy Services, Inc.	$ (30,541)	$ 5,664	$ (320,701)	$ 12,995