- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Number of optional term extensions to agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	wow_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Period of optional term extension under agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

- Definition

The revenue percentage the disposal group contributed during the period.

+ References

No definition available.

+ Details

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

- Definition

Amount of employee service, processes or systems expense allocated to discontinued operations.

+ References

No definition available.

+ Details

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Namespace Prefix:	wow_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Balance Type:
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- Details

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Namespace Prefix:
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Balance Type:
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- Details

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Data Type:	na
Balance Type:
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- Details

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- Details

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Organization and Basis of Presentation - Discontinued Operations, General (Details) $ in Millions			3 Months Ended	6 Months Ended	12 Months Ended
	Nov. 01, 2021 USD ($) item	Sep. 01, 2021 USD ($) item	Jun. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Transition Services Agreement \| Atlantic
Discontinued Operations
Agreement term		1 year
Number of optional term extensions \| item		2
Period of optional term extension		3 months
Amount of employee service, processes or systems expense allocated to discontinued operations					$ 0.0
Transition Services Agreement \| Astound Broadband
Discontinued Operations
Agreement term	12 months
Number of optional term extensions \| item	2
Period of optional term extension	3 months
Amount of employee service, processes or systems expense allocated to discontinued operations					$ 0.0
Atlantic and Astound broadband markets \| Discontinued Operations, Disposed of by sale
Discontinued Operations
Revenue percentage contributed by disposal group			37.00%	37.00%
Astound broadband markets \| Discontinued Operations, Disposed of by sale
Discontinued Operations
Consideration	$ 661.0		$ 661.0	$ 661.0
Atlantic broadband markets \| Discontinued Operations, Disposed of by sale
Discontinued Operations
Consideration		$ 1,125.0	$ 1,125.0	$ 1,125.0