Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Condensed Consolidated Statements of Comprehensive Income
Net income	$ 7,631	$ 34,786	$ 54,706	$ 127,701
Other comprehensive income:
Foreign currency translation	(4,849)	(735)	(6,281)	(4,679)
Minimum benefit retirement liability, net of income taxes	(92)	(27)	(102)	9
Comprehensive income	2,874	34,078	48,527	123,013
Comprehensive income attributable to noncontrolling interest	10	7	29	82
Comprehensive income attributable to Advanced Energy Industries, Inc.	$ 2,864	$ 34,071	$ 48,498	$ 122,931