Employee Benefit Plans - Narrative (Details) - USD ($)	3 Months Ended
Employee Benefit Plans - Narrative (Details) - USD ($)	Mar. 30, 2025	Mar. 31, 2024	Jan. 24, 2025	Dec. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved (in shares)			5,050,450
Granted (in shares)	0
Settlement of liability classified restricted stock units	$ 5,000,000.0	$ 6,900,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, options	0
RSUs and PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, RSUs and PSUs	$ 74,000,000.0
Weighted-average period of recognition of stock based compensation (in years)	1 year 8 months 12 days
2018 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Available for future grants (in shares)	4,121,000			3,356,000
Number of shares reserved (in shares)			4,050,450
2018 Plan \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Award expiration period (in years)	10 years
Purchase price of common stock, percent of market price (no less than)	100.00%
2018 Plan \| Stock Options \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	12 months
2018 Plan \| Stock Options \| Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved (in shares)			1,000,000
ESPP \| Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock under Employee Stock Purchase Plan (in shares)	0	0
Reserved stock for issuance, common stock (in shares)	3,400,000
Minimum \| PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Minimum \| 2018 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Maximum \| PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years
Maximum \| 2018 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years

Arlo Technologies, Inc. 10-Q