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			6 Months Ended
		Jun. 30, 2024	Jul. 02, 2023		Jun. 30, 2024	Jul. 02, 2023
Segment Reporting Information [Line Items]
Total net revenue	[1]	$ 143,900	$ 173,413		$ 308,486	$ 354,321
Total segment contribution income		(11,733)	8,277	[2]	(7,969)	20,578	[2]
Corporate and unallocated costs		(19,350)	(19,011)	[2]	(39,156)	(38,385)	[2]
Amortization of intangibles		0	(128)		0	(257)
Stock-based compensation expense		(5,888)	(4,687)		(10,432)	(9,352)
Restructuring and other charges		(1,688)	(2,229)		(2,720)	(2,337)
Litigation reserves, net		(8,200)	0		(8,230)	0
Other income, net	[3]	2,713	7,999		5,563	9,405
Loss before income taxes		(44,146)	(9,779)		(62,944)	(20,348)
Connected Home
Segment Reporting Information [Line Items]
Total net revenue	[1]	84,033	98,406		179,996	201,152
Total segment contribution income		$ (13,794)	$ (5,373)	[2]	$ (19,934)	$ (7,129)	[2]
Segment contribution margin		(16.40%)	(5.50%)	[2]	(11.10%)	(3.50%)	[2]
NETGEAR for Business
Segment Reporting Information [Line Items]
Total net revenue	[1]	$ 59,867	$ 75,007		$ 128,490	$ 153,169
Total segment contribution income		$ 2,061	$ 13,650	[2]	$ 11,965	$ 27,707	[2]
Segment contribution margin		3.40%	18.20%	[2]	9.30%	18.10%	[2]

[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 in the prior year periods were recast to conform to the current reportable segment structure.

[3] (1) Amounts included gain/(loss), net from derivatives not designated as hedging instruments of $0.6 million and $2.1 million, for the three and six months ended June 30, 2024, respectively, and $1.0 million and $0.9 million, for the three and six months ended July 2, 2023, respectively, and gain/(loss), net from litigation settlements of $6.0 million for the three and six months ended July 2, 2023, respectively.