Equity Incentive Plans - Narrative (Details)	3 Months Ended
	May 07, 2023 USD ($) purchasePeriod plan shares	May 08, 2022 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity incentive plans | plan	2
Equity awards expiration period (no later than)	10 years
Total stock-based compensation expense	$ 77,830,000	$ 74,571,000
2015 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock purchase plan offering period	24 months
Number of purchase periods | purchasePeriod	4
Purchase period, term	6 months
ESPP modification charge	$ 16,700,000
Total stock-based compensation expense	6,100,000	$ 6,900,000
Unrecognized stock-based compensation expense	$ 49,600,000
Compensation cost (in years)	1 year 10 months 24 days
2015 Employee Stock Purchase Plan | Class A common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payroll deductions percentage	30.00%
Share cap for ESPP at purchase date (in shares) | shares	3,000
Dollar cap per purchase period	$ 7,500
Calendar year gap for ESPP contribution amount	$ 25,000
Purchase price as percentage of fair market value of common stock	85.00%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	2 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	4 years