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Condensed Consolidated Statements of Cash Flows (Unaudited) (Parentheticals) $ in Millions	6 Months Ended
	Jun. 30, 2019 USD ($)
Statement of Cash Flows [Abstract]
Noncash portion of payments of debt issuance cost	$ 10.9
Noncash portion of payments of equity issuance cost	$ 0.6

X

- Definition

Noncash Financing Activities Payment of Debt Issuance Cost

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

X

- Definition

Noncash Financing Activities Payment of Equity Issuance Cost

+ References

No definition available.

+ Details

Name:	gtls_NoncashFinancingActivitiesPaymentOfEquityIssuanceCost
Namespace Prefix:	gtls_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- References

No definition available.

+ Details

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