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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in Carrying Amount of Goodwill | The changes in the Company’s carrying amount of goodwill are as follows:
(in thousands) |  | Video |  | Cable Access |  | Total
Balance as of December 31, 2018 |  | $ | 179,839 |  |  | $ | 60,779 |  |  | $ | 240,618 |
Foreign currency translation adjustment |  | (857) |  |  | 19 |  |  | (838) |
Balance as of December 31, 2019 |  | $ | 178,982 |  |  | $ | 60,798 |  |  | $ | 239,780 |
Foreign currency translation adjustment |  | 3,873 |  |  | 21 |  |  | 3,894 |
Balance as of December 31, 2020 |  | $ | 182,855 |  |  | $ | 60,819 |  |  | $ | 243,674 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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