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Commitment and Contingencies (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($)
Commitments and Contingencies Disclosure [Abstract] |
Anticipated additional warranty reserve (less than) | $ 5.0

X
- Definition Anticipated Reserve for Standard Warranty + References No definition available. + Details
Name: | gtls_AnticipatedReserveforStandardWarranty
Namespace Prefix: | gtls_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration