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Goodwill - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Jul. 15, 2022
Goodwill [Line Items]
Goodwill	$ 388,163,000		$ 388,163,000		$ 381,724,000
Impairment of goodwill	$ 0	$ 0	$ 0	$ 0
Adtran Networks SE [Member]
Goodwill [Line Items]
Goodwill						$ 350,500,000

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