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Basis of Presentation and Combination - Additional Information (Details)	Mar. 31, 2019
Emmis | Mediaco Holding Inc
Significant Accounting Policies [Line Items]
Ownership interest percentage	100.00%

X

- Definition

Ownership interest percentage by parent.

+ References

No definition available.

+ Details

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Namespace Prefix:	ck0001784254_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Significant accounting policies.

+ References

No definition available.

+ Details

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Namespace Prefix:	ck0001784254_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	dei_LegalEntityAxis=ck0001784254_EmmisCommunicationsCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_OwnershipAxis=ck0001784254_MediacoHoldingIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: