The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
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