Summary of Significant Accounting Policies (Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 27, 2014	Dec. 28, 2013
Finite-Lived Intangible Assets [Line Items]
Gross	7,132	$ 5,653
Accumulated Amortization	2,428	2,306
Net	4,704	3,347
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	189
Finite-Lived Intangible Assets, Amortization Expense, Year Two	189
Finite-Lived Intangible Assets, Amortization Expense, Year Three	189
Finite-Lived Intangible Assets, Amortization Expense, Year Four	189
Finite-Lived Intangible Assets, Amortization Expense, Year Five	189
Lease Acquisitions [Member]
Finite-Lived Intangible Assets [Line Items]
Gross	3,654	3,654
Accumulated Amortization	2,418	2,235
Net	1,236	1,419
Liquor Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Gross	3,358	1,879
Accumulated Amortization	0	65
Net	3,358	1,814
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Gross	120	120
Accumulated Amortization	10	6
Net	110	$ 114
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	30 years
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	15 years