Spectrum repacking reimbursements and other, net - Narrative (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Unusual or Infrequent Item, or Both [Line Items] | |||
| Reimbursement from spectrum repacking | $ 323,000 | $ 4,942,000 | $ 13,180,000 |
| Asset impairment charges | 1,100,000 | ||
| Impairment of indefinite-lived intangible assets | 0 | 0 | $ 0 |
| Impairment of intangible asset indefinite lived excluding goodwill statement of income or comprehensive income extensible enumeration not disclosed flag | impairment charge | ||
| Contract termination and other costs related to national sales | $ 0 | $ 1,540,000 | $ 0 |
| Television and radio station FCC broadcast licenses | |||
| Unusual or Infrequent Item, or Both [Line Items] | |||
| Impairment of indefinite-lived intangible assets | 1,100,000 | ||
| Trade Names | |||
| Unusual or Infrequent Item, or Both [Line Items] | |||
| Impairment of indefinite-lived intangible assets | $ 2,100,000 | ||