COVER - shares	6 Months Ended
	Jun. 30, 2021	Aug. 31, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2021
Document Transition Report	false
Entity File Number	0-21513
Entity Registrant Name	DXP Enterprises, Inc.
Entity Incorporation, State or Country Code	TX
Entity Tax Identification Number	76-0509661
Entity Address, Address Line One	5301 Hollister
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77040
City Area Code	713
Local Phone Number	996-4700
Title of 12(b) Security	Common Stock par value $0.01
Trading Symbol	DXPE
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		18,570,840
Entity Central Index Key	0001020710
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Amendment Flag	false