Summary of Significant Accounting Policies - Schedule of Revenue by Geographic Location (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2019	Jun. 29, 2018	Jun. 28, 2019	Jun. 29, 2018
Revenues [Line Items]
Revenue	$ 100,408	$ 92,667	$ 197,646	$ 175,380
Year-over-Year Change	8.40%	12.70%
Sales Revenue, Services, Net [Member] | Geographic Concentration Risk [Member]
Revenues [Line Items]
Revenue, percent	100.00%	100.00%	100.00%	100.00%
North America [Member]
Revenues [Line Items]
Revenue	$ 62,653	$ 60,522	$ 122,088	$ 114,214
Year-over-Year Change	3.50%	6.90%
North America [Member] | Sales Revenue, Services, Net [Member] | Geographic Concentration Risk [Member]
Revenues [Line Items]
Revenue, percent	62.40%	65.30%	61.80%	65.10%
Europe [Member]
Revenues [Line Items]
Revenue	$ 37,755	$ 32,145	$ 75,558	$ 61,166
Year-over-Year Change	17.50%	23.50%
Europe [Member] | Sales Revenue, Services, Net [Member] | Geographic Concentration Risk [Member]
Revenues [Line Items]
Revenue, percent	37.60%	34.70%	38.20%	34.90%