Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 25, 2019	Sep. 26, 2018
Cash flows from operating activities:
Net income	$ 21,402	$ 14,416
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	13,558	13,063
Stock-based compensation expense	1,797	1,547
Income tax receivable agreement income	(120)	(777)
Loss on disposition of restaurants	5,062	0
Loss on disposal of assets	213	193
Impairment of property and equipment	283	1,791
Closed-store reserve expense	0	4,838
Amortization of deferred financing costs	189	217
Amortization of favorable and unfavorable leases, net	(362)	(37)
Deferred income taxes, net	8,583	3,825
Changes in operating assets and liabilities:
Accounts and other receivables, net	(1,257)	(1,675)
Inventories	261	46
Prepaid expenses and other current assets	868	229
Other assets	(118)	113
Accounts payable	(1,657)	(2,206)
Accrued salaries and vacation	2,259	2,560
Accrued insurance	1,863	895
Income taxes payable	102	(33)
Other accrued expenses and liabilities	(21,031)	2,596
Net cash flows provided by operating activities	31,895	41,601
Cash flows from investing activities:
Proceeds from Divestiture of Businesses	4,770	0
Purchase of property and equipment	(10,848)	(20,711)
Net cash flows used in investing activities	(6,078)	(20,711)
Cash flows from financing activities:
Payments Related to Tax Withholding for Share-based Compensation	341	79
Payments on revolver and swingline loan	(15,000)	(29,000)
Proceeds from Long-term Lines of Credit	42,000	6,307
Payments of Financing Costs		138
Proceeds from Issuance of Common Stock	80	1,710
Payment of obligations under finance leases	(61)	(98)
Payments for Repurchase of Common Stock	(47,395)	0
Net cash flows used in financing activities	(20,717)	(21,298)
Increase (decrease) in cash and cash equivalents	5,100	(408)
Cash and cash equivalents, beginning of period	6,969	8,550
Cash and cash equivalents, end of period	12,069	8,142
Supplemental cash flow information
Cash paid during the period for interest	2,400	2,623
Cash paid during the period for income taxes	268	125
Unpaid purchases of property and equipment	2,577	1,449
Borrowing on Revolver for Financing Fees		693
Schedule of Non-cash Transactions
Stock Repurchase Accrued not Paid	$ (1,004)	$ 0