v3.21.1

Cover	May 24, 2021
Document Information [Line Items]
Document Type	8-K
Amendment Flag	false
Document Period End Date	May 24, 2021
Entity File Number	001-11981
Entity Registrant Name	MMA Capital Holdings, Inc.
Entity Central Index Key	0001003201
Entity Tax Identification Number	52-1449733
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	3600 O'Donnell St
Entity Address, Address Line Two	Suite 600
Entity Address, City or Town	Baltimore
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	21224
City Area Code	443
Local Phone Number	263-2900
Written Communications	false
Soliciting Material	true
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity Emerging Growth Company	false
Common Stock [Member]
Document Information [Line Items]
Title of 12(b) Security	Common Shares, no par value
Trading Symbol	MMAC
Security Exchange Name	NASDAQ
Common Stock Purchase Rights [Member]
Document Information [Line Items]
Title of 12(b) Security	Common Stock Purchase Rights
Trading Symbol	MMAC
Security Exchange Name	NASDAQ

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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 YYYY-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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Address Line 1 such as Attn, Building Name, Street Name

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

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MMA Capital Holdings, Inc. 8-K