Leases - Schedule of Operating Lease Asset and Obligation Included in Condensed Consolidated Balance Sheet (Details) $ in Thousands	Sep. 27, 2020 USD ($)
Right-of Use Asset Under Operating Lease:
Operating lease right-of-use asset	$ 3,668
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsNoncurrent
Lease Obligation Under Operating Lease:
Current Liabilities: Accrued Liabilities: Other	$ 354
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherAccruedLiabilitiesCurrent
Other Long-Term Liabilities	$ 3,314
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Operating Lease, Liability	$ 3,668