Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Oct. 02, 2021	Oct. 03, 2020
Revenues
Revenue from performance obligations that were satisfied in previous reporting periods	$ 10,000	$ 11,000	$ 10,900	$ 10,500
Revenues	184,831	132,731	512,180	365,099
Distributors
Revenues
Revenues	148,773	105,369	414,692	299,134
Direct customers
Revenues
Revenues	$ 36,058	$ 27,362	$ 97,488	$ 65,965