Subsequent Events (Details) - Subsequent Events - USD ($) $ in Millions	Oct. 11, 2024	Nov. 04, 2024
Priority Credit Agreement
Subsequent Events
Threshold percentage of outstanding commitments held	50.00%
First Out Term Loan
Subsequent Events
Maximum borrowing capacity, New money	$ 200.0
Percentage of term loans exchanged by lenders to be included at par	15.00%
Aggregate amount	$ 306.4
Springing maturity period	91 days
Spread on variable rate (as a percent)	7.00%
Debt Instrument, Variable Interest Rate, Type	us-gaap:SecuredOvernightFinancingRateSofrMember
Incremental amount	$ 125.0
Amortization payment percentage per annum	1.00%
Second Out Term Loan
Subsequent Events
Percentage of term loans exchanged by lenders to be included at par	85.00%
Aggregate amount	$ 602.7
Spread on variable rate (as a percent)	3.00%
Debt Instrument, Variable Interest Rate, Type	us-gaap:SecuredOvernightFinancingRateSofrMember
Amortization payment percentage per annum	1.00%
Second Out Revolving Credit Facility
Subsequent Events
Spread on variable rate (as a percent)	2.75%
Debt Instrument, Variable Interest Rate, Type	us-gaap:SecuredOvernightFinancingRateSofrMember
Hurricane Milton
Subsequent Events
Percentage of impacted customers for which service has been restored		96.00%

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Section 55
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Indicates type of variable interest rate on debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 470
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-2

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-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Required annual amortization payment percentage under the debt agreement

+ References

No definition available.

+ Details

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Namespace Prefix:	wow_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of existing term loans exchanged by lenders for loan to be included at par in debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	wow_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Threshold percentage of outstanding commitments held by lenders participating in specified facility triggering the elimination of the springing leverage covenant under the existing credit agreement.

+ References

No definition available.

+ Details

Name:	wow_DebtInstrumentOutstandingCommitmentsHeldThresholdPercentage
Namespace Prefix:	wow_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	wow_DebtInstrumentSpringingMaturityPeriod
Namespace Prefix:	wow_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The contingent increase above the maximum borrowing capacity under the credit facility, if any one or more of the existing banks or new banks agree to provide such increased commitment amount.

+ References

No definition available.

+ Details

Name:	wow_LineOfCreditFacilityContingentIncreaseAdditionalBorrowingCapacity
Namespace Prefix:	wow_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Maximum borrowing capacity of new money under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	wow_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of customers impacted by loss contingency event for which service has been restored.

+ References

No definition available.

+ Details

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Namespace Prefix:	wow_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=wow_PriorityCreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=wow_PriorityCreditAgreementFirstOutTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=wow_PriorityCreditAgreementSecondOutRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=wow_PriorityCreditAgreementSecondOutTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
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Period Type: