v3.25.1
Cover - shares
 3 Months Ended
Mar. 31, 2025
Apr. 25, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2025  
Document Transition Report false  
Entity File Number 0-10546  
Entity Registrant Name DISTRIBUTION SOLUTIONS GROUP, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 36-2229304  
Entity Address, Address Line One 301 Commerce Street  
Entity Address, Address Line Two Suite 1700  
Entity Address, City or Town Fort Worth,  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 76102  
City Area Code (888)  
Local Phone Number 611-9888  
Title of 12(b) Security Common stock, $1.00 par value  
Trading Symbol DSGR  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   46,438,341
Entity Central Index Key 0000703604  
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --12-31