Asset impairment and other - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Unusual or Infrequent Items, or Both [Abstract]
Asset impairment charges		$ 3,359	$ (323)	$ (2,307)
Reimbursement from spectrum repacking		0	323	4,942
Property and equipment impairments		0	0	1,095
Contract termination and other costs related to national sales		0	0	1,540
Programming rights impairment	$ 3,400	$ 3,359	$ 0	$ 0

Contract Termination And Other Costs

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- Definition

(Gain) Loss On Reimbursement Of Property, Plant And Equipment

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
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- References

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
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-Topic 350
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-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-3

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- Definition

The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
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