Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Income Tax Disclosure [Abstract]
Effective tax rate			(6.90%)	24.20%
Benefit (provision) for income taxes	$ (62)	$ 393	$ 349	$ 1,093
Pre-provision loss	2,380	$ 1,764	5,074	$ 4,492
Valuation allowance	$ 203		$ 203

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References + Details