v3.25.1
INCOME PER SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Calculation of basic and diluted earnings per share:    
Antidilutive shares 720,953 1,467,544
Outstanding options (as a percent) 72.00% 100.00%
Net income $ 9,560 $ 3,875
Net income attributable to noncontrolling interests (1,321) (250)
Net income attributable to Select Water Solutions, Inc. 8,239 3,625
Add: Reallocation of net income attributable to noncontrolling interests for the dilutive effect of restricted stock 18 8
Add: Reallocation of net income attributable to noncontrolling interests for the dilutive effect of performance units 18 7
Add: Reallocation of net income attributable to noncontrolling interests for the dilutive effect of stock options 1  
Net income attributable to Select Water Solutions, Inc. - diluted 8,276 3,640
Class A common stock    
Calculation of basic and diluted earnings per share:    
Net income attributable to Select Water Solutions, Inc. 8,239 3,625
Add: Reallocation of net income attributable to noncontrolling interests for the dilutive effect of restricted stock 18 8
Add: Reallocation of net income attributable to noncontrolling interests for the dilutive effect of performance units 18 7
Add: Reallocation of net income attributable to noncontrolling interests for the dilutive effect of stock options 1  
Net income attributable to Select Water Solutions, Inc. - diluted $ 8,276 $ 3,640
Weighted-average shares of common stock outstanding - basic 100,790,931 99,224,604
Weighted-average shares of common stock outstanding - diluted 103,313,924 101,373,064
Income per share, Basic (in dollars per share) $ 0.08 $ 0.04
Income per share, Diluted (in dollars per share) $ 0.08 $ 0.04
Class A common stock | Restricted stock    
Calculation of basic and diluted earnings per share:    
Dilutive effect 1,226,432 1,168,335
Class A common stock | Performance share units    
Calculation of basic and diluted earnings per share:    
Dilutive effect 1,217,166 980,125
Class A common stock | Employee Stock Option    
Calculation of basic and diluted earnings per share:    
Dilutive effect 79,395  
Class B common stock    
Calculation of basic and diluted earnings per share:    
Weighted-average shares of common stock outstanding - basic 16,221,101 16,221,101
Weighted-average shares of common stock outstanding - diluted 16,221,101 16,221,101