Segment Information (Schedule of Reportable Segments and Reconciliation of Segment Contribution Income (Loss) to Income (Loss) Before Income Taxes) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Apr. 02, 2023	[2]
Segment Reporting Information [Line Items]
Total net revenue	[1]	$ 164,586	$ 180,908
Total segment contribution income		3,764	12,301
Corporate and unallocated costs		(19,806)	(19,374)
Amortization of intangibles		0	(129)
Stock-based compensation expense		(4,544)	(4,665)
Restructuring and other charges		(1,032)	(108)
Litigation reserves, net		(30)	0
Other income, net	[3]	2,850	1,406
Loss before income taxes		(18,798)	(10,569)
Connected Home
Segment Reporting Information [Line Items]
Total net revenue	[1]	95,963	102,746
Total segment contribution income		$ (6,140)	$ (1,756)
Segment contribution margin		(6.40%)	(1.70%)
NETGEAR for Business
Segment Reporting Information [Line Items]
Total net revenue	[1]	$ 68,623	$ 78,162
Total segment contribution income		$ 9,904	$ 14,057
Segment contribution margin		14.40%	18.00%

[1] No individual foreign country represented more than 10% of the Company’s total net revenue in the periods presented.

[2] * Financial information for each reportable segment were recast to conform to the current reportable segment structure.

[3] Amounts included gain/(loss), net from derivatives not designated as hedging instruments of $1.5 million and $(0.2) million, for the three months ended March 31, 2024 and April 2, 2023, respectively.