Summary of Significant Accounting Policies - Schedule of Revenue by Geographic Location (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2019	Mar. 30, 2018
Revenues [Line Items]
Revenue	$ 97,238	$ 82,713
Year-over-Year Change	17.60%
Sales Revenue, Services, Net [Member] | Geographic Concentration Risk [Member]
Revenues [Line Items]
Revenue, percent	100.00%	100.00%
North America [Member]
Revenues [Line Items]
Revenue	$ 59,435	$ 53,764
Year-over-Year Change	10.50%
North America [Member] | Sales Revenue, Services, Net [Member] | Geographic Concentration Risk [Member]
Revenues [Line Items]
Revenue, percent	61.10%	65.00%
Europe [Member]
Revenues [Line Items]
Revenue	$ 37,803	$ 28,949
Year-over-Year Change	30.60%
Europe [Member] | Sales Revenue, Services, Net [Member] | Geographic Concentration Risk [Member]
Revenues [Line Items]
Revenue, percent	38.90%	35.00%