Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Oct. 01, 2017	Jan. 01, 2017
Property and equipment, accumulated depreciation	$ 279,732	$ 254,807
Franchise rights, accumulated amortization	98,838	93,799
Franchise agreements, accumulated amortization	10,626	9,734
Favorable leases, accumulated amortization	2,158	1,760
Unfavorable leases, accumulated amortization	$ 4,787	$ 4,643
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	100	100
Preferred stock, shares outstanding	100	100
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	36,158,711	35,835,800
Common stock, shares, outstanding	35,433,072	35,258,579