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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Non-amortizing intangibles | $ 64,475 | $ 64,475
Gross carrying amount | 28,888 | 28,888
Accumulated amortization and other | (26,995) | (26,754)
Total | 1,893 | 2,134
Total intangible assets, gross carrying amount | 96,607 | 96,607
Intangible assets, net | 69,612 | 69,853
Goodwill - Broadband |  |
Finite-Lived Intangible Assets [Line Items] |  |
Goodwill, gross | 3,244 | 3,244
Goodwill | 3,244 | 3,244
Subscriber relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 28,425 | 28,425
Accumulated amortization and other | (26,679) | (26,451)
Total | 1,746 | 1,974
Other intangibles |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | 463 | 463
Accumulated amortization and other | (316) | (303)
Total | 147 | 160
Cable franchise rights |  |
Finite-Lived Intangible Assets [Line Items] |  |
Non-amortizing intangibles | 64,334 | 64,334
Railroad crossing rights |  |
Finite-Lived Intangible Assets [Line Items] |  |
Non-amortizing intangibles | $ 141 | $ 141

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