Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Sales, net:
Total sales, net	$ 339,880	$ 134,810	$ 655,336	$ 275,553
Cost of sales:
Total cost of sales	209,576	70,684	412,801	145,687
Gross profit	130,304	64,126	242,535	129,866
Operating expenses:
Research and development	35,855	21,840	70,625	43,129
Selling, general and administrative	48,174	27,612	94,165	56,626
Amortization of intangible assets	5,009	1,874	10,015	3,847
Restructuring expense	5,790	1,795	6,446	3,468
Total operating expenses	94,828	53,121	181,251	107,070
Operating income	35,476	11,005	61,284	22,796
Other income (expense), net	(1,587)	15,545	(5,097)	16,288
Income from continuing operations, before income taxes	33,889	26,550	56,187	39,084
Provision for income taxes	4,610	3,177	8,510	324
Income from continuing operations	29,279	23,373	47,677	38,760
Income (loss) from discontinued operations, net of income taxes	(151)	8,324	(471)	8,315
Net income	29,128	31,697	47,206	47,075
Income (loss) from continuing operations attributable to noncontrolling interest	(16)	11	(1)	19
Net income attributable to Advanced Energy Industries, Inc.	$ 29,144	$ 31,686	$ 47,207	$ 47,056
Basic weighted-average common shares outstanding	38,294	38,274	38,326	38,236
Diluted weighted-average common shares outstanding	38,458	38,462	38,525	38,443
Earnings per share:
Continuing operations: Basic earnings per share	$ 0.77	$ 0.61	$ 1.24	$ 1.01
Continuing operations: Diluted earnings per share	0.76	0.61	1.24	1.01
Discontinued operations: Basic earnings per share		0.22	(0.01)	0.22
Discontinued operations: Diluted earnings per share		0.22	(0.01)	0.22
Net income:
Basic earnings per share	0.76	0.83	1.23	1.23
Diluted earnings per share	$ 0.76	$ 0.82	$ 1.23	$ 1.22
Product [Member]
Sales, net:
Total sales, net	$ 311,770	$ 106,193	$ 601,131	$ 218,305
Cost of sales:
Total cost of sales	195,535	56,113	386,601	116,914
Services [Member]
Sales, net:
Total sales, net	28,110	28,617	54,205	57,248
Cost of sales:
Total cost of sales	$ 14,041	$ 14,571	$ 26,200	$ 28,773