CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Sales	$ 3,352,500	$ 1,612,400	$ 1,317,700
Cost of sales	2,312,100	1,205,000	993,500
Gross profit	1,040,400	407,400	324,200
Selling, general and administrative expenses	486,300	214,500	196,800
Amortization expense	163,400	41,400	38,900
Operating expenses	649,700	255,900	235,700
Operating income	390,700	151,500	88,500
Acquisition related finance fees	26,100	37,000	0
Interest expense, net	271,900	28,800	10,700
Financing costs amortization	17,200	2,900	8,300
Loss on extinguishment of debt	7,800	0	0
Unrealized loss (gain) on investment in equity securities	14,400	(13,100)	(3,200)
Realized gain on equity method investments	0	(300)	0
Realized gain on investment in equity securities	0	0	(2,600)
Foreign currency (gain) loss	(4,100)	(800)	900
Other (income) expense, net	(600)	(1,900)	300
Income from continuing operations before income taxes and equity in earnings of unconsolidated affiliates, net	58,000	98,900	74,100
Income tax expense (benefit):
Current	82,300	17,600	21,400
Deferred	(79,300)	(1,700)	(7,900)
Income tax expense, net	3,000	15,900	13,500
Income from continuing operations before equity in earnings of unconsolidated affiliates, net	55,000	83,000	60,600
Equity in earnings (loss) of unconsolidated affiliates, net	2,500	(400)	300
Net income from continuing operations	57,500	82,600	60,900
Loss from discontinued operations, net of tax	(600)	(57,600)	0
Net income	56,900	25,000	60,900
Less: Income attributable to noncontrolling interests of continuing operations, net of taxes	9,600	1,000	1,800
Net income attributable to Chart Industries	47,300	24,000	59,100
Amounts attributable to Chart common stockholders
Income from continuing operations	47,900	81,600	59,100
Less: Mandatory convertible preferred stock dividend requirement	27,300	1,400	0
Income from continuing operations attributable to Chart	20,600	80,200	59,100
Loss from discontinued operations, net of tax	(600)	(57,600)	0
Net income attributable to Chart common stockholders, basic	20,000	22,600	59,100
Net income attributable to Chart common stockholders, diluted	$ 20,000	$ 22,600	$ 59,100
Basic earnings per common share attributable to Chart Industries, Inc.
Income from continuing operations (usd per share)	$ 0.49	$ 2.21	$ 1.66
Loss from discontinued operations (usd per share)	(0.01)	(1.59)	0
Net income attributable to Chart Industries, Inc. (usd per share)	0.48	0.62	1.66
Diluted earnings per common share attributable to Chart Industries, Inc.
Income from continuing operations (usd per share)	0.44	1.92	1.44
Loss from discontinued operations (usd per share)	(0.01)	(1.38)	0
Net income attributable to Chart Industries, Inc. (usd per share)	$ 0.43	$ 0.54	$ 1.44
Weighted-average number of common shares outstanding:
Basic (shares)	41,970	36,250	35,610
Diluted (shares)	46,820	41,800	41,110