Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill [Line Items]

Schedule of Goodwill [Table Text Block]

Goodwill at January 3, 2016	$	20,438
Acquisitions of restaurants (Note 2)	2,431
Goodwill at January 1, 2017	22,869
Acquisitions of restaurants (Note 2)	13,923
Goodwill at December 31, 2017	$	36,792

Intangible Assets [Table Text Block]

The following is a summary of the Company’s franchise rights as of the respective balance sheet dates:

	December 31, 2017				January 1, 2017
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Franchise rights	$	252,643	$	100,615	$	227,952	$	93,799

The following is a summary of the Company’s favorable and unfavorable leases as of the respective balance sheet dates, which are included as assets and liabilities, respectively, on the accompanying consolidated balance sheets:

	December 31, 2017				January 1, 2017
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Favorable leases	$	7,805	$	1,943	$	7,201	$	1,760
Unfavorable leases	$	18,164	$	5,053	$	16,329	$	4,643