DOCUMENT AND ENTITY INFORMATION - shares	9 Months Ended
	Sep. 30, 2023	Oct. 27, 2023
Document and Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2023
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		46,817,871
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	448-6605
Trading Symbol	DHX
Entity Interactive Data Current	Yes
Security Exchange Name	NYSE
City Area Code	212
Entity Central Index Key	0001393883
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Address, Address Line Two	Suite 400
Entity Incorporation, State or Country Code	DE
Title of 12(b) Security	Common Stock, par value $0.01 per share