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

No definition available.

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- 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

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123467658&loc=d3e12355-112629

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount of debt issued during the period.

+ References

No definition available.

+ Details

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

- Definition

The floor interest rate under the debt instrument.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
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Long-Term Debt and Finance Leases - Term B Loans and Revolving Credit Facility (Details) - USD ($) $ in Millions			12 Months Ended
	Dec. 20, 2021	Jul. 17, 2017	Dec. 31, 2021
Long-Term Debt and Capital Leases
Loss on debt extinguishment			$ 3.2
Term B Loans
Long-Term Debt and Capital Leases
Debt issued	$ 730.0
Term B Loans \| SOFR
Long-Term Debt and Capital Leases
Spread on variable rate (as a percent)	3.00%
Floor rate (as a percent)	0.50%
Term B Loans \| Alternate base rate
Long-Term Debt and Capital Leases
Spread on variable rate (as a percent)		2.25%
Term B Loans \| Adjusted LIBOR rate
Long-Term Debt and Capital Leases
Spread on variable rate (as a percent)		3.25%
Revolving Credit Facility
Long-Term Debt and Capital Leases
Maximum borrowing capacity	$ 250.0
Commitment fee rate for unused commitments	0.50%
Revolving Credit Facility \| Letters of credit
Long-Term Debt and Capital Leases
Maximum borrowing capacity			20.0
Outstanding letters of credit			$ 5.3
Revolving Credit Facility \| SOFR
Long-Term Debt and Capital Leases
Spread on variable rate (as a percent)	2.75%
Revolving Credit Facility \| Alternate base rate
Long-Term Debt and Capital Leases
Spread on variable rate (as a percent)		2.00%
Revolving Credit Facility \| Adjusted LIBOR rate
Long-Term Debt and Capital Leases
Spread on variable rate (as a percent)		3.00%