Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Current:
Federal	$ 0
State	114
Current Income Tax Expense (Benefit)	114
Deferred:
Federal	0
State	0
Deferred Income Tax Expense (Benefit)	0
Income Tax Expense	$ 114	$ 0	$ 0