Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Oct. 28, 2019
Document and Entity Information
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2019
Entity File Number	001-38101
Entity Registrant Name	WideOpenWest, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	46-0552948
Entity Address, Address Line One	7887 East Belleview Avenue
Entity Address, Address Line Two	Suite 1000
Entity Address, City or Town	Englewood
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80111
City Area Code	720
Local Phone Number	479-3500
Title of 12(b) Security	Common Stock
Trading Symbol	WOW
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		84,280,806
Entity Central Index Key	0001701051
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Amendment Flag	false