v3.26.1
DOCUMENT AND ENTITY INFORMATION - shares
 3 Months Ended
Mar. 31, 2026
Apr. 30, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2026  
Entity Registrant Name DHI Group, Inc.  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Small Business true  
Entity Common Stock, Shares Outstanding   43,198,507
Entity File Number 001-33584  
Entity Tax Identification Number 20-3179218  
Entity Address, Address Line One 6465 South Greenwood Plaza  
Entity Address, City or Town Centennial  
Entity Address, State or Province CO  
Entity Address, Postal Zip Code 80111  
Local Phone Number 978-3737  
Entity Interactive Data Current Yes  
City Area Code 515  
Entity Central Index Key 0001393883  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Address, Address Line Two Suite 400  
Entity Incorporation, State or Country Code DE  
Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, par value $0.01 per share  
Trading Symbol DHX  
Security Exchange Name NYSE  
Preferred Stock Purchase Rights    
Document Information [Line Items]    
Title of 12(b) Security Preferred Stock Purchase Rights