v3.26.1
INCOME PER SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Calculation of basic and diluted earnings per share:    
Antidilutive shares 697,408 720,953
Outstanding options (as a percent) 87.00% 72.00%
Net income $ 9,432 $ 9,560
Net income attributable to noncontrolling interests (826) (1,321)
Net income attributable to Select Water Solutions, Inc. 8,606 8,239
Add: Reallocation of net income attributable to noncontrolling interests for the dilutive effect of restricted stock 14 18
Add: Reallocation of net income attributable to noncontrolling interests for the dilutive effect of performance units 16 18
Add: Reallocation of net income attributable to noncontrolling interests for the dilutive effect of stock options 1 1
Net income attributable to Select Water Solutions, Inc. - diluted 8,637 8,276
Class A common stock    
Calculation of basic and diluted earnings per share:    
Net income attributable to Select Water Solutions, Inc. 8,606 8,239
Add: Reallocation of net income attributable to noncontrolling interests for the dilutive effect of restricted stock 14 18
Add: Reallocation of net income attributable to noncontrolling interests for the dilutive effect of performance units 16 18
Add: Reallocation of net income attributable to noncontrolling interests for the dilutive effect of stock options 1 1
Net income attributable to Select Water Solutions, Inc. - diluted $ 8,637 $ 8,276
Weighted-average shares of common stock outstanding - basic 110,145,655 100,790,931
Weighted-average shares of common stock outstanding - diluted 112,530,858 103,313,924
Income per share, Basic (in dollars per share) $ 0.08 $ 0.08
Income per share, Diluted (in dollars per share) $ 0.08 $ 0.08
Class A common stock | Restricted stock    
Calculation of basic and diluted earnings per share:    
Dilutive effect 1,078,148 1,226,432
Class A common stock | Performance share units    
Calculation of basic and diluted earnings per share:    
Dilutive effect 1,267,140 1,217,166
Class A common stock | Stock Options    
Calculation of basic and diluted earnings per share:    
Dilutive effect 39,915 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