Fair Value Measurements - Additional Information (Detail) - USD ($) |
12 Months Ended | |
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Dec. 31, 2018 |
Dec. 31, 2017 |
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| Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ||
| Carrying value of notes | $ 238,600,000 | |
| Debt instrument, estimated fair value | 218,300,000 | |
| Impairment of intangible assets, indefinite-lived (excluding goodwill) | 2,870,000 | $ 19,000 |
| Broadcast Market Clusters and Mastheads [Member] | ||
| Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ||
| Impairment of intangible assets, indefinite-lived (excluding goodwill) | $ 2,900,000 | |
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- Definition Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] No definition available.
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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