Commitments and Contingencies - Additional Information (Detail) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 EUR (€) shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($)	Oct. 18, 2022 shares
Contingencies And Commitments [Line Items]
Commitments related to performance bonds | $			$ 10.8	$ 22.0
Percentage of guaranteed interest rate	5.00%		5.00%
Percentage of guaranteed interest rate plus a variable component	3.12%		3.12%
Aggregate exit compensation payments obligation including guaranteed interest	€ 310.3		$ 342.5
Annual recurring compensation obligation	€ 10.6	$ 11.7
Expire date of exit compensation	Mar. 16, 2023	Mar. 16, 2023
Number of shares tendered | shares	67,000	67,000
Exit compensation payments	€ 1.2	$ 1.3
Accrued annual recurring compensation obligation | $		$ 11.5
Purchase obligations | $			$ 252.5
Adtran Networks SE [Member]
Contingencies And Commitments [Line Items]
Number of shares tendered | shares	67,000	67,000
Exit compensation payments	€ 1.2	$ 1.3
Maximum [Member] | Adtran Networks SE [Member]
Contingencies And Commitments [Line Items]
Number of additional shares authorized to purchase | shares	15,346,544		15,346,544		15,346,544