CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE OPERATIONS (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE OPERATIONS (unaudited) [Abstract]
Sales	$ 285,936	$ 238,527
Cost of sales	209,491	174,012
Gross profit	76,445	64,515
Selling, general and administrative expenses	65,296	56,279
Income from operations	11,149	8,236
Other income, net	(22)	(228)
Interest expense	5,041	3,653
Income before provision for income taxes	6,130	4,811
Provision for income taxes	1,636	1,817
Net income	4,494	2,994
Net loss attributable to noncontrolling interest	(57)	(139)
Net income attributable to DXP Enterprises, Inc.	4,551	3,133
Preferred stock dividend	23	23
Net income attributable to common shareholders	4,528	3,110
Net income	4,494	2,994
Foreign currency translation adjustment	(377)	(2,320)
Comprehensive income	$ 4,117	$ 674
Basic earnings per share attributable to DXP Enterprises, Inc. (in dollars per share)	$ 0.25	$ 0.18
Weighted average common shares outstanding (in shares)	17,901	17,409
Diluted earnings per share attributable to DXP Enterprises, Inc. (in dollars per share)	$ 0.24	$ 0.17
Weighted average common shares and common equivalent diluted shares outstanding	18,741	18,249