Document and Entity Information	Dec. 11, 2020
Prospectus:
Document Type	497
Document Period End Date	Dec. 11, 2020
Entity Registrant Name	IndexIQ Active ETF Trust
Entity Central Index Key	0001426439
Entity Inv Company Type	N-1A
Amendment Flag	false
Document Creation Date	Dec. 11, 2020
Document Effective Date	Dec. 11, 2020
Prospectus Date	Aug. 28, 2020
IQ MacKay Municipal Intermediate ETF \| IQ MacKay Municipal Intermediate ETF
Prospectus:
Trading Symbol	MMIT

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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.

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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.

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The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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