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Revenues - Revenues Disaggregated by Geographic Region (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 02, 2021
Apr. 03, 2020
Disaggregation of Revenue [Line Items]    
Total revenues $ 270,230 $ 226,915
U.S.    
Disaggregation of Revenue [Line Items]    
Total revenues 229,957 196,596
Europe    
Disaggregation of Revenue [Line Items]    
Total revenues 33,806 29,036
Japan    
Disaggregation of Revenue [Line Items]    
Total revenues $ 6,467 $ 1,283