v3.26.1
Cover
Jun. 22, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 22, 2026
Entity File Number 001-36863
Entity Registrant Name Cable One, Inc.
Entity Central Index Key 0001632127
Entity Tax Identification Number 13-3060083
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 210 E. Earll Drive
Entity Address, City or Town Phoenix
Entity Address, State or Province AZ
Entity Address, Postal Zip Code 85012
City Area Code 602
Local Phone Number 364-6000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol CABO
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Information, Former Legal or Registered Name Not applicable