Income Taxes - Schedule of Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 25, 2019	Sep. 25, 2019	Jun. 26, 2019	Mar. 27, 2019	Dec. 26, 2018	Sep. 26, 2018	Jun. 27, 2018	Mar. 28, 2018	Dec. 25, 2019	Dec. 26, 2018	Dec. 27, 2017
Current income taxes:
Federal									$ 0	$ 0	$ 0
State									104	220	250
Total current									104	220	250
Deferred income taxes:
Federal									5,991	(3,526)	1,495
State									3,587	98	192
Total deferred									9,578	(3,428)	1,687
Adjustment to deferred taxes for tax rate change									0	0	(1,440)
Tax provision (benefit) for income taxes	$ 728	$ 2,940	$ 5,665	$ 349	$ (8,410)	$ 2,388	$ 865	$ 1,949	$ 9,682	$ (3,208)	$ 497