Property and Equipment, Net (Details) - Schedule of property and equipment - USD ($) $ in Thousands	3 Months Ended
Apr. 02, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Accumulated depreciation and amortization	$ (48,722)	$ (47,482)
Property and equipment, net	13,583	14,134
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 3,546	3,492
Furniture and fixtures [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Average life	3 years
Furniture and fixtures [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Average life	5 years
Equipment and vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 33,189	32,797
Equipment and vehicles [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Average life	3 years
Equipment and vehicles [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Average life	10 years
Computers [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 19,837	19,649
Average life	3 years
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,600	5,548
Leasehold improvements [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Average life	3 years
Leasehold improvements [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Average life	5 years
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 133	$ 130

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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