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 815
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Fair value of financial and nonfinancial obligations.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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