v3.19.2
Document And Entity Information
Aug. 21, 2019
Document Information [Line Items]  
Entity Registrant Name Gray Television, Inc.
Document Type 8-K
Document Period End Date Aug. 21, 2019
Entity Incorporation, State or Country Code GA
Entity File Number 001-13796
Entity Tax Identification Number 58-0285030
Entity Address, Address Line One 4370 Peachtree Road, NE
Entity Address, City or Town Atlanta
Entity Address, State or Province GA
Entity Address, Postal Zip Code 30319
City Area Code 404
Local Phone Number 504-9828
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Ex Transition Period false
Amendment Flag false
Entity Central Index Key 0000043196
ClassAcommonstocknoparvalue Custom [Member]  
Document Information [Line Items]  
Title of 12(b) Security Class A common stock (no par value)
Trading Symbol GTN.A
Security Exchange Name NYSE
commonstocknoparvalue Custom [Member]  
Document Information [Line Items]  
Title of 12(b) Security common stock (no par value)
Trading Symbol GTN
Security Exchange Name NYSE