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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Total indefinite-lived intangibles | $ 78,314 | $ 78,314
Gross Carrying Amount | 488,492 | 488,492
Accumulated Amortization and Other | (267,348) | (252,659)
Net | 221,144 | 235,833
Total intangible assets, gross carrying amount | 566,806 | 566,806
Intangible assets, net | 299,458 | 314,147
Affiliate contract expansion |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 455,305 | 455,305
Accumulated Amortization and Other | (241,231) | (226,712)
Net | 214,074 | 228,593
FCC Spectrum Licenses |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 4,659 | 4,659
Accumulated Amortization and Other | (160) | (97)
Net | 4,499 | 4,562
Acquired subscribers - Cable |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 28,065 | 28,065
Accumulated Amortization and Other | (25,700) | (25,600)
Net | 2,365 | 2,465
Other intangibles |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 463 | 463
Accumulated Amortization and Other | (257) | (250)
Net | 206 | 213
Cable franchise rights |  |
Finite-Lived Intangible Assets [Line Items] |  |
Total indefinite-lived intangibles | 64,334 | 64,334
FCC Spectrum Licenses |  |
Finite-Lived Intangible Assets [Line Items] |  |
Total indefinite-lived intangibles | 13,839 | 13,839
Railroad crossing rights |  |
Finite-Lived Intangible Assets [Line Items] |  |
Total indefinite-lived intangibles | $ 141 | $ 141

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