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Financial Statements of Parent Company Guarantor - Additional Information (Detail) | 3 Months Ended
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Mar. 31, 2016
Subsidiary Issuer |
Condensed Financial Statements, Captions [Line Items] |
Ownership percentage | 100.00%

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- Definition 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. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=52262685&loc=SL6759159-111685 + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | dei_LegalEntityAxis=us-gaap_SubsidiaryIssuerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |