Fair Value Measurements (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018	Feb. 03, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term contingent earnout				$ 6,000
Contingent earnout valuation	$ 15,057	$ 0	$ 0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	554	158
Long-term investments	2,208	2,377
Short-term contingent earnout	0	0
Long-term contingent earnout	0	0
Total	2,762	2,535
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Long-term investments	0	0
Short-term contingent earnout	0	0
Long-term contingent earnout	0	0
Total	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Long-term investments	0	0
Short-term contingent earnout	9,958	0
Long-term contingent earnout	11,099	9,200
Total	$ (21,057)	$ (9,200)