Broadcast Licenses - Additional Information (Detail)
|3 Months Ended|
Mar. 31, 2019
|Broadcast Licenses [Member]|
|Indefinite-lived Intangible Assets [Line Items]|
|License renewable term||8 years|
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.