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Cover Page - shares
 9 Months Ended
Sep. 30, 2024
Nov. 05, 2024
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2024  
Document Transition Report false  
Entity File Number 001-37936  
Entity Registrant Name SMART SAND, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 45-2809926  
Entity Address, Address Line One 1000 Floral Vale Boulevard  
Entity Address, Address Line Two Suite 225  
Entity Address, City or Town Yardley  
Entity Address, State or Province PA  
Entity Address, Postal Zip Code 19067  
City Area Code 281  
Local Phone Number 231-2660  
Title of 12(b) Security Common Stock, par value $0.001 per share  
Trading Symbol SND  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   42,919,298
Amendment Flag false  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0001529628  
Current Fiscal Year End Date --12-31