Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2014	Jun. 30, 2014	Feb. 27, 2015
Entity Registrant Name	DOVER MOTORSPORTS INC
Entity Central Index Key	0001017673
Document Type	10-K
Document Period End Date	Dec. 31, 2014
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Entity Public Float		$ 44,269,020
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Common Stock
Entity Common Stock, Shares Outstanding			18,220,484
Common Class A
Entity Common Stock, Shares Outstanding			18,510,975