v3.25.3

Leases - Narratives (Details) - USD ($)	3 Months Ended		9 Months Ended
Leases - Narratives (Details) - USD ($)	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Leases [Abstract]
Operating lease rent expense	$ 7,200,000	$ 6,800,000	$ 21,000,000.0	$ 19,200,000
Right of use assets obtained in exchange for finance lease liability			12,000,000.0	100,000
Right of use assets obtained in exchange for operating lease liability			13,400,000	$ 20,100,000
Short-term net investment in sales type leases	1,500,000		1,500,000		$ 8,100,000
Long-term net investment in sales type leases	4,900,000		4,900,000		31,700,000
Cost of equipment leased	$ 0		$ 0		$ 0

Sales-Type Lease, Long-Term Net Investment In Lease Purchase

+ References

No definition available.

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- Definition

Sales-Type Lease, Short-Term Net Investment In Lease Purchase

+ References

No definition available.

+ Details

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Namespace Prefix:	gtls_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-4

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (g)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The historical cost of the asset(s) sold in connection with the sale of the property to another party and the lease of the property back to the seller.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 840
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
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-Publisher FASB
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-URI https://asc.fasb.org/1943274/2147479741/842-40-50-2

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CHART INDUSTRIES INC 10-Q