v3.25.2
Cover - shares
 6 Months Ended
Jun. 30, 2025
Jul. 30, 2025
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-38390  
Entity Registrant Name Cactus, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 35-2586106  
Entity Address, Address Line One 920 Memorial City Way, Suite 300  
Entity Address, City or Town Houston,  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 77024  
City Area Code 713  
Local Phone Number 626-8800  
Title of 12(b) Security Class A Common Stock, par value $0.01  
Trading Symbol WHD  
Security Exchange Name NYSE  
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 0001699136  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Class A Common Stock    
Entity Common Stock, Shares Outstanding   68,574,875
Class B Common Stock    
Entity Common Stock, Shares Outstanding   11,259,495