v3.26.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 04, 2026
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Securities Act File Number 001-38066  
Entity Registrant Name SELECT WATER SOLUTIONS, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 81-4561945  
Entity Address, Address Line One 1820 North I-35  
Entity Address, City or Town Gainesville  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 76240  
City Area Code 940  
Local Phone Number 668-1818  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0001693256  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Class A common stock    
Document and Entity Information    
Entity Common Stock, Shares Outstanding   124,353,951
Class A common stock | New York Stock Exchange    
Document and Entity Information    
Title of 12(b) Security Class A common stock, par value $0.01 per share  
Trading Symbol WTTR  
Security Exchange Name NYSE  
Class A common stock | NYSE Texas, Inc.    
Document and Entity Information    
Title of 12(b) Security Class A common stock, par value $0.01 per share  
Trading Symbol WTTR  
Security Exchange Name NYSE  
Class B common stock    
Document and Entity Information    
Entity Common Stock, Shares Outstanding   13,790,861