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The Company and Significant Accounting Policies - Impairment and Loss on Lease Abandonment - Additional Information (Detail) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Mar. 31, 2025 USD ($) Station | Sep. 30, 2025 USD ($) | Mar. 31, 2025 USD ($) Station | Jun. 30, 2026 USD ($) ft² | Jun. 30, 2025 USD ($) | Dec. 31, 2025 USD ($)
Accounting Policies [Line Items] |  |  |  |  |  |
Goodwill |  |  |  | $ 7,352 |  | $ 7,352
Assets held for sale |  | $ 1,700 |  | $ 3,635 |  | 5,597
Impairment charge related to broadcast licenses and fixed assets |  |  |  |  | $ 23,700 |
Lease expiration date |  |  |  | Jun. 30, 2034 |  |
Operating lease liabilities |  |  |  | $ 11,278 |  | 9,737
Long-term operating lease liabilities |  |  |  | $ 37,722 |  | $ 36,775
Building |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Leased space | ft² |  |  |  | 38,000 |  |
Lease expiration date |  |  |  | Jan. 31, 2034 |  |
Loss on lease abandonment charges |  |  | $ 16,100 |  |  |
Acceleration of depreciation of leasehold improvements |  |  | $ 9,100 |  |  |
Operating lease liabilities |  |  |  | $ 5,700 |  |
Long-term operating lease liabilities |  |  |  | 18,600 |  |
Discontinued Operations Held for Sale |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Number of television stations held for sale | Station | 2 |  | 2 |  |  |
Assets held for sale |  |  |  | $ 3,000 | $ 3,000 |
Carrying value of additional assets |  | 3,800 |  |  |  |
Impairment charge related to broadcast licenses and fixed assets |  | $ 5,500 | $ 23,700 |  |  |
Carrying value of broadcast licenses | $ 28,000 |  | 28,000 |  |  |
Stations fixed assets carrying value | 400 |  | 400 |  |  |
Discontinued Operations Held for Sale | Tecate, Mexico |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Assets held for sale | $ 4,700 |  | $ 4,700 |  |  |

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