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Business Combinations - Contingent Consideration (Details) - Thermax $ in Millions | 12 Months Ended
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Dec. 31, 2015 USD ($)
Business Acquisition |
Contingent consideration | $ 1.8
Earn out period | 4 years

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- Definition Business Combination, Contingent Consideration, Earn Out Period + References No definition available. + Details
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Namespace Prefix: | gtls_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Business Combination, Contingent Consideration, Inception Amount Recorded During Reporting Period + References No definition available. + Details
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Namespace Prefix: | gtls_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_BusinessAcquisitionAxis=gtls_ThermaxMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |