Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 29, 2020	Dec. 29, 2019
Statement of Financial Position [Abstract]
Property and equipment, accumulated depreciation	$ 391,764	$ 377,810
Franchise rights, accumulated amortization	123,256	119,288
Franchise agreements, accumulated amortization	13,875	13,365
Favorable leases, accumulated amortization	69	2,256
Unfavorable leases, accumulated amortization	$ 145	$ 6,075
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
Voting common stock, par value	$ 0.01	$ 0.01
Voting common stock, shares authorized	100,000,000	100,000,000
Voting common stock, shares issued	52,723,814	51,840,200
Common stock, shares, outstanding	51,474,340	5,104,937