EARNINGS PER SHARE DATA (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Basic [Abstract]
Weighted average shares outstanding (in shares)	14,503	14,368	14,494	14,380
Net income attributable to DXP Enterprises, Inc.	$ 5,170	$ 7,167	$ 58	$ 16,818
Convertible preferred stock dividend	22	22	45	45
Net income attributable to common shareholders	$ 5,148	$ 7,145	$ 13	$ 16,773
Per share amount (in dollars per share)	$ 0.36	$ 0.50	$ 0	$ 1.17
Diluted [Abstract]
Weighted average shares outstanding (in shares)	14,503	14,368	14,494	14,380
Assumed conversion of convertible preferred stock (in shares)	840	840	840	840
Total dilutive shares (in shares)	15,343	15,208	15,334	15,220
Net income attributable to common shareholders	$ 5,148	$ 7,145	$ 13	$ 16,773
Convertible preferred stock dividend	(22)	(22)	(45)	(45)
Net income attributable to DXP Enterprises, Inc. for diluted earnings per share	$ 5,170	$ 7,167	$ 58	$ 16,818
Per share amount (in dollars per share)	$ 0.34	$ 0.47	$ 0	$ 1.11