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Document and Entity Information	12 Months Ended
	Dec. 31, 2024
Document and Entity Information [Abstract]
Document Type	S-1/A
Entity Registrant Name	Binah Capital Group, Inc.
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Central Index Key	0001953984
Amendment Flag	true
Amendment Description	Amendment No. 1

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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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-Name Exchange Act
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Securities Act
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