Segment Information (Schedule of Reportable Segments and Reconciliation of Total Segment Contribution Income to Income (loss) Before Income Taxes) (Details) - USD ($)		3 Months Ended	12 Months Ended
		Apr. 03, 2022	Dec. 31, 2024	Dec. 31, 2023		Dec. 31, 2022
Segment Reporting Information [Line Items]
Net revenue			$ 673,759,000	$ 740,840,000		$ 932,472,000
Cost of revenue			476,219,000	489,926,000		680,056,000
Gross profit			$ 197,540,000	$ 250,914,000		$ 252,416,000
Gross margin			29.30%	33.90%		27.10%
Operating expenses			$ 179,546,000	$ 184,604,000	[1]	$ 196,405,000	[1]
Contribution income (loss)			$ 17,994,000	$ 66,310,000	[1]	$ 56,011,000	[1]
Segment contribution margin			2.70%	9.00%	[1]	6.00%	[1]
Corporate and unallocated costs			$ (67,633,000)	$ (76,179,000)	[1]	$ (71,648,000)	[1]
Amortization of intangibles	[2]		0	(257,000)		(514,000)
Stock-based compensation expense			(22,678,000)	(17,938,000)		(17,734,000)
Goodwill impairment			0	0		(44,442,000)
Intangibles impairment			0	(1,071,000)		0
Restructuring and other charges			(4,479,000)	(3,962,000)		(4,577,000)
Litigation reserves, net			89,012,000	(178,000)		(20,000)
Other income, net	[3]		12,672,000	14,139,000		902,000
Income (loss) before income taxes			24,888,000	(19,136,000)		(82,022,000)
NETGEAR for Business
Segment Reporting Information [Line Items]
Net revenue			287,812,000	293,975,000		373,649,000
Cost of revenue			168,399,000	163,083,000		230,525,000
Gross profit			$ 119,413,000	$ 130,892,000		$ 143,124,000
Gross margin			41.50%	44.50%		38.30%
Operating expenses			$ 75,408,000	$ 74,127,000	[1]	$ 69,582,000	[1]
Contribution income (loss)			$ 44,005,000	$ 56,765,000	[1]	$ 73,542,000	[1]
Segment contribution margin			15.30%	19.30%	[1]	19.70%	[1]
Goodwill impairment			$ 0	$ 0		$ 0
Connected Home
Segment Reporting Information [Line Items]
Net revenue			385,947,000	446,865,000		558,823,000
Cost of revenue			307,820,000	326,843,000		449,531,000
Gross profit			$ 78,127,000	$ 120,022,000		$ 109,292,000
Gross margin			20.20%	26.90%		19.60%
Operating expenses			$ 104,138,000	$ 110,477,000	[1]	$ 126,823,000	[1]
Contribution income (loss)			$ (26,011,000)	$ 9,545,000	[1]	$ (17,531,000)	[1]
Segment contribution margin			(6.70%)	2.10%	[1]	(3.10%)	[1]
Goodwill impairment		$ (44,400,000)
Intangibles impairment				$ (1,100,000)

[1] Financial information for each reportable segment in the prior year periods were recast to conform to the current reportable segment structure.

[2] Amounts excluded amortization expenses related to patents within purchased intangibles in cost of revenue.

[3] Amounts included gain/(loss), net from litigation settlement of $6.0 million for the year ended December 31, 2023, and gain/(loss), net from derivatives not designated as hedging instruments of $3.3 million, 0.3 million and $2.7 million, for the years ended December 31, 2024, 2023 and 2022, respectively.