CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Sales	$ 1,612,400	$ 1,317,700	$ 1,177,100
Cost of sales	1,205,000	993,500	845,000
Gross profit	407,400	324,200	332,100
Selling, general and administrative expenses	214,500	196,800	178,200
Amortization expense	41,400	38,900	45,700
Asset impairments	0	0	16,000
Operating expenses	255,900	235,700	239,900
Operating income	151,500	88,500	92,200
Acquisition related finance fees	37,000	0	0
Interest expense, net	28,800	10,700	17,700
Financing costs amortization	2,900	8,300	4,300
Unrealized gain on investment in equity securities	(13,100)	(3,200)	(13,100)
Realized gain on equity method investment	(300)	0	0
Realized gain on investment in equity securities	0	(2,600)	0
Foreign currency (gain) loss	(800)	900	900
Gain on bargain purchase	0	0	(5,000)
Other (income) expense, net	(1,900)	300	2,200
Income from continuing operations before income taxes and equity in earnings of unconsolidated affiliates, net	98,900	74,100	85,200
Income tax expense (benefit):
Current	17,600	21,400	13,900
Deferred	(1,700)	(7,900)	1,000
Income tax expense, net	15,900	13,500	14,900
Income from continuing operations before equity in earnings of unconsolidated affiliates, net	83,000	60,600	70,300
Equity in (loss) earnings of unconsolidated affiliates, net	(400)	300	0
Net income from continuing operations	82,600	60,900	70,300
(Loss) income from discontinued operations, net of tax	(57,600)	0	239,200
Net income	25,000	60,900	309,500
Less: Income attributable to noncontrolling interests of continuing operations, net of taxes	1,000	1,800	1,400
Net income attributable to Chart Industries, Inc.	24,000	59,100	308,100
Income (Loss) from Continuing Operations, Net of Tax, Excluding Portion Attributable to Noncontrolling Interest	81,600	59,100	68,900
Amounts attributable to Chart common stockholders
Income from continuing operations	24,000	59,100	308,100
Less: Mandatory convertible preferred stock dividend requirement	1,400	0	0
Income from continuing operations attributable to Chart	80,200	59,100	68,900
(Loss) income from discontinued operations, net of tax	(57,600)	0	239,200
Net income attributable to Chart common stockholders, basic	22,600	59,100	308,100
Net income attributable to Chart common stockholders, diluted	$ 22,600	$ 59,100	$ 308,100
Basic earnings per common share attributable to Chart Industries, Inc.
Income from continuing operations (usd per share)	$ 2.21	$ 1.66	$ 1.95
(Loss) income from discontinued operations (usd per share)	(1.59)	0	6.76
Net income attributable to Chart Industries, Inc. (usd per share)	0.62	1.66	8.71
Diluted earnings per common share attributable to Chart Industries, Inc.
Income from continuing operations (usd per share)	1.92	1.44	1.89
(Loss) income from discontinued operations (usd per share)	(1.38)	0	6.56
Net income attributable to Chart Industries, Inc. (usd per share)	$ 0.54	$ 1.44	$ 8.45
Weighted-average number of common shares outstanding:
Basic (shares)	36,250	35,610	35,380
Diluted (shares)	41,800	41,110	36,450