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 220
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
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Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
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-Topic 505
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-Section S99
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Number of previously issued common shares repurchased by the issuing entity and held in treasury.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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