Business Combination Agreement - Summary of Purchase Price Allocation of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Jul. 15, 2022
Net Assets:
Goodwill	$ 353,415	$ 381,724
Adtran Networks SE [Member]
Business Acquisition [Line Items]
Total purchase price			$ 578,260
Noncontrolling interest			316,415
Net Assets:
Cash and cash equivalents			44,003
Accounts receivable			114,659
Other receivables			1,457
Inventory			200,331
Prepaid expenses and other current assets			28,208
Property plant and equipment			55,480
Deferred tax assets			1,759
Identifiable intangible assets			403,780
Other non-current assets			31,074
Accounts payable			(98,587)
Current unearned revenue			(26,047)
Accrued expenses and other liabilities			(59,600)
Income tax payable, net			(4,898)
Current portion of notes payable			(25,254)
Tax liabilities			(1,400)
Non-current unearned revenue			(11,498)
Pension liability			(6,820)
Other non-current liabilities			(6,094)
Non-current portion of revolving credit agreements and notes payable			(15,250)
Non-current lease obligations			(20,046)
Deferred tax liabilities			(61,040)
Total net assets acquired			544,217
Goodwill	$ 350,500		$ 350,458