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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Non-amortizing intangibles | $ 76,984 | $ 76,673
Gross carrying amount | 42,957 | 28,935
Accumulated amortization and other | (28,326) | (27,729)
Total | 14,631 | 1,206
Total intangible assets, gross carrying amount | 197,815 | 108,852
Intangible assets, net | 169,489 | 81,123
Subscriber relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 42,447 | 28,425
Accumulated amortization and other | (27,951) | (27,370)
Total | 14,496 | 1,055
Other intangibles |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 510 | 510
Accumulated amortization and other | (375) | (359)
Total | 135 | 151
Cable franchise rights |  |
Finite-Lived Intangible Assets [Line Items] |  |
Non-amortizing intangibles | 64,334 | 64,334
FCC Spectrum licenses |  |
Finite-Lived Intangible Assets [Line Items] |  |
Non-amortizing intangibles | 12,122 | 12,122
Railroad crossing rights and other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Non-amortizing intangibles | 528 | 217
Goodwill |  |
Finite-Lived Intangible Assets [Line Items] |  |
Goodwill, gross | 77,874 | 3,244
Goodwill | $ 77,874 | $ 3,244

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