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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 | $ 15,955 gtls_StateNetOperatingLossesUsableAfterLimitationsFromInternalRevenueCode382 |
State net operating loss carryforward | 1,331 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal | 1,610 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
Valuation allowance | 1,982 us-gaap_DeferredTaxAssetsValuationAllowance | 1,250 us-gaap_DeferredTaxAssetsValuationAllowance
Foreign net operating loss carryforwards | 1,154 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign | 594 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign
State and Local Jurisdiction [Member] |  |
Operating Loss Carryforwards [Line Items] |  |
Valuation allowance | 1,068 us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
Foreign Country [Member] |  |
Operating Loss Carryforwards [Line Items] |  |
Valuation allowance | 459 us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
Foreign operating losses available to carryforward | 4,237 gtls_ForeignOperatingLossesAvailableToCarryforward / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
Foreign operating losses expiring between 2014 and 2016 | 2,948 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
Foreign operating losses to be carried forward indefinitely | $ 1,289 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local 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 -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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