EARNINGS PER SHARE DATA (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Basic [Abstract]
Weighted average shares outstanding (in shares)	17,404	14,503	17,406	14,494
Net income attributable to DXP Enterprises, Inc.	$ 4,135	$ 5,170	$ 7,268	$ 58
Convertible preferred stock dividend	22	22	45	45
Net income attributable to common shareholders	$ 4,113	$ 5,148	$ 7,223	$ 13
Per share amount (in dollars per share)	$ 0.24	$ 0.36	$ 0.42	$ 0
Diluted [Abstract]
Weighted average shares outstanding (in shares)	17,404	14,503	17,406	14,494
Assumed conversion of convertible preferred stock (in shares)	840	840	840	840
Total dilutive shares (in shares)	18,244	15,343	18,246	15,334
Net income attributable to common shareholders	$ 4,113	$ 5,148	$ 7,223	$ 13
Convertible preferred stock dividend	22	22	45	45
Net income attributable to DXP Enterprises, Inc. for diluted earnings per share	$ 4,135	$ 5,170	$ 7,268	$ 58
Per share amount (in dollars per share)	$ 0.23	$ 0.34	$ 0.40	$ 0