Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2015	Jul. 31, 2015
Document Information [Line Items]
Entity Registrant Name	GRAY TELEVISION INC
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Entity Central Index Key	0000043196
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Jun. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Common Stock [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		66,105,999
Common Class A [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		6,244,010