Fair Value of Financial Instruments - Schedule of Fair Value Hierarchy (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019	Feb. 01, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent earnout valuation, increase	$ 200	$ 4,100	$ 3,700	$ 11,700
Fair Value, Measurements, Recurring | Level I
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	541	613	541	613	$ 554
Long-term investments	2,005	2,086	2,005	2,086	2,208
Short-term contingent earnout	0	0	0	0	0
Long-term contingent earnout	0	0	0	0	0
Total investments	2,546	2,699	2,546	2,699	2,762
Fair Value, Measurements, Recurring | Level II
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0	0	0	0
Long-term investments	0	0	0	0	0
Short-term contingent earnout	0	0	0	0	0
Long-term contingent earnout	0	0	0	0	0
Total investments	0	0	0	0	0
Fair Value, Measurements, Recurring | Level III
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0	0	0	0
Long-term investments	0	0	0	0	0
Short-term contingent earnout	14,710	9,866	14,710	9,866	9,958
Long-term contingent earnout	0	7,881	0	7,881	11,099
Total investments	$ (14,710)	$ (17,747)	$ (14,710)	$ (17,747)	$ (21,057)