EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Basic earnings per share:
Weighted average shares outstanding (in shares)	16,128	17,596
Net income attributable to DXP Enterprises, Inc.	$ 11,332	$ 17,580
Convertible preferred stock dividend	23	23
Net income attributable to common shareholders	$ 11,309	$ 17,557
Per share amount (in dollars per share)	$ 0.70	$ 1.00
Diluted earnings per share:
Weighted average shares outstanding (in shares)	16,128	17,596
Assumed conversion of convertible preferred stock (in shares)	840	840
Total dilutive shares (in shares)	16,968	18,436
Net income attributable to common shareholders	$ 11,309	$ 17,557
Convertible preferred stock dividend	23	23
Net income attributable to DXP Enterprises, Inc.	$ 11,332	$ 17,580
Per share amount (in dollars per share)	$ 0.67	$ 0.95