DOCUMENT AND ENTITY INFORMATION - USD ($)	12 Months Ended
	Dec. 31, 2019	Mar. 19, 2020	Jun. 30, 2019
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Entity Registrant Name	Bimini Capital Management, Inc.
Entity Central Index Key	0001275477
Entity Current Reporting Status	Yes
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 19,600,000
Entity Well Known Seasoned Issuer	No
Entity Voluntary Filers	No
EntityInteractiveDataCurrent	Yes
Class A Common Stock [Member]
Entity Common Stock Shares Outstanding		11,608,555
Class B Common Stock [Member]
Entity Common Stock Shares Outstanding		31,938
Class C Common Stock [Member]
Entity Common Stock Shares Outstanding		31,938