Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional Information (Details)

v3.20.2
Intangible Assets - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 26, 2020
Sep. 28, 2019
Sep. 26, 2020
Sep. 28, 2019
Finite Lived Intangible Assets [Line Items]        
Intangible amortization expense $ 1,033 $ 934 $ 3,036 $ 2,796
GeoTraq Inc.        
Finite Lived Intangible Assets [Line Items]        
Estimated useful life of intangible assets     7 years