Goodwill - Schedule of Changes in Goodwill (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2023 |
Dec. 31, 2022 |
|
| Goodwill [Line Items] | ||
| Balance, beginning of period before cumulative loss on impairment | $ 28,976 | $ 28,749 |
| Accumulated loss on impairment | (4,891) | (4,763) |
| Balance, beginning of period after cumulative loss on impairment | 24,085 | 23,986 |
| Loss on impairment | (127) | |
| Balance, end of period before cumulative loss on impairment | 30,237 | 28,976 |
| Accumulated loss on impairment | (4,891) | (4,891) |
| Ending period balance | 25,346 | 24,085 |
| Radio Stations [Member] | ||
| Goodwill [Line Items] | ||
| Acquisitions | 80 | 0 |
| Digital Media [Member] | ||
| Goodwill [Line Items] | ||
| Acquisitions | $ 1,181 | $ 226 |
| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- 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. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|