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Debt and Credit Arrangements Letters of Credit (Details) - USD ($) | Sep. 30, 2017 | Sep. 20, 2017
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Letters of Credit [Line Items] |  |
Restricted Cash and Cash Equivalents | $ 8,785,000 | $ 2,343,000
Chart Energy & Chemicals, Inc. (Chart E&C) [Member] |  |
Letters of Credit [Line Items] |  |
Restricted Cash and Cash Equivalents | 6,442,000 |
Chart Energy & Chemicals, Inc. (Chart E&C) [Member] | Other Current Assets [Member] |  |
Letters of Credit [Line Items] |  |
Restricted Cash and Cash Equivalents | 5,445,000 |
Chart Energy & Chemicals, Inc. (Chart E&C) [Member] | Other Assets [Member] |  |
Letters of Credit [Line Items] |  |
Restricted Cash and Cash Equivalents | $ 997,000 |

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- Definition [Line Items] for Letters of Credit [Table] + References No definition available. + Details
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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