STOCKHOLDERS' EQUITY AND EARNINGS PER SHARE - Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Income from continuing operations	$ 56,306	$ 130,749	$ 201,891
Less: income from continuing operations attributable to noncontrolling interest			16
Income from continuing operations attributable to Advanced Energy Industries, Inc.	$ 56,306	$ 130,749	$ 201,875
Basic weighted-average common shares outstanding (in shares)	37,476	37,480	37,463
Dilutive effect of stock awards (in shares)	363	270	258
Diluted weighted-average common shares outstanding (in shares)	37,839	37,750	37,721
EPS from continuing operations
Basic EPS (in dollars per share)	$ 1.5	$ 3.49	$ 5.39
Diluted EPS (in dollars per share)	$ 1.49	$ 3.46	$ 5.35
Total anti-dilutive shares	3,046	3,581	67
Stock awards
EPS from continuing operations
Total anti-dilutive shares		95	67
Warrants
EPS from continuing operations
Total anti-dilutive shares	3,046	3,486