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Goodwill - Summary of Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023
Goodwill [Line Items] |  |
Goodwill, Beginning balance |  | $ 381,724
Goodwill impairment | $ (37,874) | (37,874)
Goodwill impairment |  | 37,500
Foreign currency translation adjustments |  | (5,141)
Goodwill, Ending balance | 339,083 | 339,083
Network Solutions [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Beginning balance |  | 298,280
Foreign currency translation adjustments |  | (3,873)
Goodwill, Ending balance | 294,407 | 294,407
Services & Support [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Beginning balance |  | 83,444
Goodwill impairment | (37,900) |
Goodwill impairment |  | 37,500
Foreign currency translation adjustments |  | (1,268)
Goodwill, Ending balance | $ 44,676 | $ 44,676

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