Document And Entity Information	9 Months Ended
	Sep. 30, 2014	Oct. 31, 2014 Nonvoting Common Stock [Member]	Oct. 31, 2014 Voting Common Stock [Member]
Document Information [Line Items]
Entity Registrant Name	MEDIA GENERAL INC
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		410,242	88,347,211
Amendment Flag	false
Entity Central Index Key	0000216539
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Sep. 30, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q3