Document And Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Mar. 16, 2016	Jun. 30, 2015
Document And Entity Information
Entity Registrant Name	M&F BANCORP INC /NC/
Entity Central Index Key	0001094738
Document Period End Date	Dec. 31, 2015
Document Type	10-K
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Amendment Flag	false
Entity Filer Category	Smaller Reporting Company
Entity Public Float			$ 5.9
Entity Common Stock, Shares Outstanding		2,031,337
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY