Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Sales, net:
Total sales, net	$ 315,456	$ 140,743
Cost of sales:
Total cost of sales	203,225	75,003
Gross profit	112,231	65,740
Operating expenses:
Research and development	34,770	21,289
Selling, general and administrative	45,991	29,014
Amortization of intangible assets	5,006	1,973
Restructuring expense	656	1,673
Total operating expenses	86,423	53,949
Operating income	25,808	11,791
Other income (expense), net	(3,510)	743
Income from continuing operations, before income taxes	22,298	12,534
Provision (benefit) for income taxes	3,900	(2,853)
Income from continuing operations	18,398	15,387
Loss from discontinued operations, net of income taxes	(320)	(9)
Net income	18,078	15,378
Income from continuing operations attributable to noncontrolling interest	15	8
Net income attributable to Advanced Energy Industries, Inc.	$ 18,063	$ 15,370
Basic weighted-average common shares outstanding	38,358	38,198
Diluted weighted-average common shares outstanding	38,570	38,426
Earnings per share:
Continuing operations: Basic earnings per share	$ 0.48	$ 0.40
Continuing operations: Diluted earnings per share	0.48	0.40
Discontinued operations: Basic earnings per share	(0.01)
Discontinued operations: Diluted earnings per share	(0.01)
Net income:
Basic earnings per share	0.47	0.40
Diluted earnings per share	$ 0.47	$ 0.40
Product [Member]
Sales, net:
Total sales, net	$ 289,361	$ 112,112
Cost of sales:
Total cost of sales	191,066	60,801
Service [Member]
Sales, net:
Total sales, net	26,095	28,631
Cost of sales:
Total cost of sales	$ 12,159	$ 14,202