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Income Taxes Operating Loss Carryforwards (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Operating Loss Carryforwards [Line Items]
State net operating losses usable after limitations from Internal Revenue Code 382	$ 15,955gtls_StateNetOperatingLossesUsableAfterLimitationsFromInternalRevenueCode382
State net operating loss carryforward	1,331us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	1,610us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
Valuation allowance	1,982us-gaap_DeferredTaxAssetsValuationAllowance	1,250us-gaap_DeferredTaxAssetsValuationAllowance
Foreign net operating loss carryforwards	1,154us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign	594us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance	1,068us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember
Foreign Country [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance	459us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember
Foreign operating losses available to carryforward	4,237gtls_ForeignOperatingLossesAvailableToCarryforward / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember
Foreign operating losses expiring between 2014 and 2016	2,948us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember
Foreign operating losses to be carried forward indefinitely	$ 1,289us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember

X

- Definition

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319



Reference 3: http://www.xbrl.org/2003/role/presentationRef

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

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-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319



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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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