Recent Transactions - Pending Transactions -Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Nov. 14, 2019 |
Oct. 31, 2019 |
Sep. 27, 2019 |
Sep. 26, 2019 |
Jun. 28, 2019 |
Dec. 31, 2019 |
Sep. 30, 2019 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Jan. 03, 2017 |
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| Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] | ||||||||||
| Business combination, liabilities arising from contingencies, amount recognized | $ 500 | |||||||||
| Agreement to sell business | $ 20,741 | $ 9,894 | ||||||||
| Additional Term Of Time Brokerage Agreement | 24 months | |||||||||
| Radio Stations [Member] | ||||||||||
| Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] | ||||||||||
| Agreement to sell business | $ 8,700 | $ 200 | $ 8,200 | |||||||
| Pretax loss on sale of assets | $ (1,300) | $ (4,700) | $ (1,500) | $ (9,900) | ||||||
| X | ||||||||||
- Definition Additional term of time brokerage agreement. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount, measured at acquisition-date fair value, of all liabilities assumed that arise from contingencies and were recognized by the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of gain (loss) on sale or disposal of assets utilized in financial service operations. No definition available.
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| X | ||||||||||
- Definition The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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