CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Sales	$ 311,225	$ 285,936
Cost of sales	227,025	209,491
Gross profit	84,200	76,445
Selling, general and administrative expenses	69,384	65,296
Income from operations	14,816	11,149
Other income, net	(33)	(22)
Interest expense	5,040	5,041
Income before income taxes	9,809	6,130
Provision for income taxes	2,622	1,636
Net income	7,187	4,494
Net loss attributable to noncontrolling interest	(104)	(57)
Net income attributable to DXP Enterprises, Inc.	7,291	4,551
Preferred stock dividend	23	23
Net income attributable to common shareholders	7,268	4,528
Net income	7,187	4,494
Cumulative translation adjustment	702	(377)
Comprehensive income	$ 7,889	$ 4,117
Earnings per share :
Basic (in dollars per share)	$ 0.41	$ 0.25
Diluted (in dollars per share)	$ 0.40	$ 0.24
Weighted average common shares outstanding :
Basic (in shares)	17,566	17,901
Diluted (in shares)	18,406	18,741