Goodwill and Other Intangible Assets - Summary of Other Intangible Assets (Details) - USD ($) $ in Thousands |
Mar. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Carrying amount: | ||
| Total carrying amount | $ 1,418,613 | $ 1,417,693 |
| Accumulated amortization: | ||
| Total accumulated amortization | (493,496) | (469,930) |
| Net amortizable intangible assets | 925,117 | 947,763 |
| Indefinite-lived intangible assets — FCC licenses | 779,415 | 779,415 |
| Total other intangible assets | 1,704,532 | 1,727,178 |
| Television affiliation relationships | ||
| Carrying amount: | ||
| Total carrying amount | 1,060,244 | 1,060,244 |
| Accumulated amortization: | ||
| Total accumulated amortization | (289,680) | (276,163) |
| Customer lists and advertiser relationships | ||
| Carrying amount: | ||
| Total carrying amount | 220,997 | 220,997 |
| Accumulated amortization: | ||
| Total accumulated amortization | (138,455) | (132,161) |
| Other | ||
| Carrying amount: | ||
| Total carrying amount | 137,372 | 136,452 |
| Accumulated amortization: | ||
| Total accumulated amortization | $ (65,361) | $ (61,606) |