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Goodwill - Summary of Changes in Carrying Amount of Goodwill (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($)
Goodwill [Line Items]
Goodwill, Beginning balance	$ 353,415
Goodwill impairment	(290,528)
Foreign currency translation adjustments	(6,003)
Goodwill, Ending balance	56,884
Network Solutions [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	297,031
Goodwill impairment	(290,528)
Foreign currency translation adjustments	(6,503)
Goodwill, Ending balance	0
Services & Support [Member]
Goodwill [Line Items]
Goodwill, Beginning balance	56,384
Foreign currency translation adjustments	500
Goodwill, Ending balance	$ 56,884

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Goodwill impairment.

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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