Employee Benefit Plans (Details) $ in Millions	9 Months Ended
Oct. 01, 2017 USD ($)
Compensation and Retirement Disclosure [Abstract]
Contribution amount by Company	$ 0.4

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration