Subsequent Events - Additional Information (Detail) - KCRO-AM and KOTK-AM [Member] - USD ($) $ in Millions |
Oct. 31, 2018 |
Jun. 30, 2018 |
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| Subsequent Event [Line Items] | ||
| Business gross estimated gain loss on sale assets | $ 1.6 | |
| Subsequent Event [Member] | ||
| Subsequent Event [Line Items] | ||
| Proceeds from sale of other assets | $ 1.4 |
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- Definition Business gross estimated gain loss on sale assets. No definition available.
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- Definition Amount of cash inflow from the sale of other assets as part of operating activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
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