If the value is true, then the document as an amendment to previously-filed/accepted document.

No definition available.

Name:	dei_AmendmentFlag
Namespace Prefix:	dei_
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- Definition

The date the document was made available and submitted, in CCYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.

+ References

No definition available.

+ Details

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Namespace Prefix:	dei_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The date when a document, upon receipt and acceptance, becomes officially effective, in CCYY-MM-DD format. Usually it is a system-assigned date time value, but it may be declared by the submitter in some cases.

+ References

No definition available.

+ Details

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Namespace Prefix:	dei_
Data Type:	xbrli:dateItemType
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- Definition

The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements this will be the filing date. The format of the date is CCYY-MM-DD.

+ References

No definition available.

+ Details

Name:	dei_DocumentPeriodEndDate
Namespace Prefix:	dei_
Data Type:	xbrli:dateItemType
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- Definition

The type of document being provided (such as 10-K, 10-Q, N-1A, etc). The document type should be limited to the same value as the supporting SEC submission type. The acceptable values are as follows: S-1, S-3, S-4, S-11, F-1, F-3, F-4, F-9, F-10, 6-K, 8-K, 10, 10-K, 10-Q, 20-F, 40-F, N-1A, 485BPOS, NCSR, N-Q, and Other.

+ References

No definition available.

+ Details

Name:	dei_DocumentType
Namespace Prefix:	dei_
Data Type:	us-types:SECReportItemType
Balance Type:	na
Period Type:	duration

- Definition

A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation 12B

-Number 240

-Section 12b

-Subsection 1

+ Details

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Data Type:	us-types:centralIndexKeyItemType
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Period Type:	duration

- Definition

The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation 12B

-Number 240

-Section 12b

-Subsection 1

+ Details

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Namespace Prefix:	dei_
Data Type:	xbrli:normalizedStringItemType
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Period Type:	duration

- Definition

Return Before Taxes.

+ References

Reference 1: 1

-Publisher SEC

-Name Form

-Number N-1A

-Chapter A

-Section 4

-Paragraph 2

-Subparagraph instructions

-Clause 4

-Subsection b

+ Details

Name:	rr_AverageAnnualReturnInceptionDate
Namespace Prefix:	rr_
Data Type:	xbrli:dateItemType
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Period Type:	duration

- Definition

Return Before Taxes.

+ References

Reference 1: 1

-Publisher SEC

-Name Form

-Number N-1A

-Chapter A

-Section 4

-Paragraph 2

-Subparagraph iii

-Clause 1

-Exhibit 2

-Subsection b

+ Details

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Namespace Prefix:	rr_
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Period Type:	duration

- Definition

Return Before Taxes.

+ References

Reference 1: 1

-Publisher SEC

-Name Form

-Number N-1A

-Chapter A

-Section 4

-Paragraph 2

-Subparagraph iii

-Clause 1

-Exhibit 2

-Subsection b

+ Details

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Namespace Prefix:	rr_
Data Type:	xbrli:pureItemType
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Period Type:	duration

- Definition

Return Before Taxes.

+ References

Reference 1: 1

-Publisher SEC

-Name Form

-Number N-1A

-Chapter A

-Section 4

-Paragraph 2

-Subparagraph iii

-Clause 1

-Exhibit 2

-Subsection b

+ Details

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- Definition

The Performance Table includes a parenthetical, indicating that the Index "(reflects no deduction for fees, expenses or taxes)". This tag is used when this is reflected in a footnote.

+ References

Reference 1: 1

-Publisher SEC

-Name Form

-Number N-1A

-Chapter A

-Section 4

-Paragraph 2

-Subparagraph iii

-Clause 1

-Exhibit 5

-Subsection b

+ Details

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Namespace Prefix:	rr_
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- Definition

This item represents Average Anuual Total Returns. If a Multiple Class Fund offers a Class in the prospectus that converts into another Class after a stated period, compute average annual total returns in the table by using the returns of the other Class for the period after conversion.

+ References

Reference 1: 1

-Publisher SEC

-Name Form

-Number N-1A

-Chapter A

-Section 4

-Paragraph 2

-Subparagraph instructions

-Clause 3

-Exhibit c

-Subsection b

+ Details

Name:	rr_PerformanceTableHeading
Namespace Prefix:	rr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The date of the prospectus.

+ References

Reference 1: 1

-Publisher SEC

-Name Form

-Number N-1A

-Chapter A

-Section 1

-Paragraph 3

-Subsection a

+ Details

Name:	rr_ProspectusDate
Namespace Prefix:	rr_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:	rr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Contains a command for the SEC Viewer for the role corresponding to RiskReturnDetailData

+ References

No definition available.

+ Details

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Namespace Prefix:	rr_
Data Type:	us-types:textBlockItemType
Balance Type:	na
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