Employee Benefit Plans - Arlo RSU, PSU, MPSU Estimated Volatility Assumption (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of RSUs vested (the release date fair value)	$ 36,380	$ 13,020	$ 5,510
Total fair value of RSUs vested (the grant date fair value)	$ 31,250	$ 22,150	$ 12,900
RSU granted weighted-average fair value per share (in dollars per share)	$ 7.32	$ 3.03	$ 4.77
RSUs \| Arlo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU granted weighted-average fair value per share (in dollars per share)	$ 7.32
RSUs \| NETGEAR
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of RSUs vested (the release date fair value)	$ 2,900	$ 3,200	$ 5,800
Total fair value of RSUs vested (the grant date fair value)	2,800	$ 4,500	$ 5,600
PSU \| Arlo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of RSUs vested (the release date fair value)	1,210
Total fair value of RSUs vested (the grant date fair value)	$ 540
RSU granted weighted-average fair value per share (in dollars per share)	$ 7.44	$ 2.74
TSR MPSU \| Arlo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU granted weighted-average fair value per share (in dollars per share)	$ 11.77	$ 4.11	$ 4.14
CEO MPSU \| Arlo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of RSUs vested (the release date fair value)	$ 180
Total fair value of RSUs vested (the grant date fair value)	$ 110
RSU granted weighted-average fair value per share (in dollars per share)	$ 5.21

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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