EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Basic earnings per share:
Weighted average shares outstanding (in shares)	15,698	16,128
Net income attributable to DXP Enterprises, Inc.	$ 20,589	$ 11,332
Convertible preferred stock dividend	23	23
Net income attributable to common shareholders	$ 20,566	$ 11,309
Per share amount (in dollars per share)	$ 1.31	$ 0.70
Diluted earnings per share:
Weighted average shares outstanding (in shares)	15,698	16,128
Assumed conversion of convertible preferred stock (in shares)	840	840
Total dilutive shares (in shares)	16,538	16,968
Net income attributable to common shareholders	$ 20,566	$ 11,309
Convertible preferred stock dividend	23	23
Net income attributable to DXP Enterprises, Inc.	$ 20,589	$ 11,332
Per share amount (in dollars per share)	$ 1.25	$ 0.67