Organization And Basis of Presentation (Details) (USD $)	0 Months Ended				3 Months Ended			4 Months Ended	12 Months Ended			0 Months Ended
	Dec. 04, 2013	Jul. 25, 2013	Mar. 07, 2013	Aug. 01, 2012	Sep. 03, 2013	Mar. 19, 2013	Sep. 04, 2012	Dec. 31, 2013	Dec. 30, 2014	Dec. 31, 2013	Dec. 25, 2012	Jul. 26, 2012	Jul. 30, 2012	Dec. 06, 2013	Aug. 06, 2013	Apr. 10, 2013
Organization And Basis Of Presentation [Line Items]
Proceeds from issuance IPO				$ 70,122,000
Underwriting discounts and commissions				5,278,000
Offering costs				3,666,000
Common stock, shares outstanding								23,626,642	23,443,046	23,626,642
Preferred stock, shares authorized								10,000,000	10,000,000	10,000,000
Preferred stock, par value per share								$ 0.001	$ 0.001	$ 0.001
Common stock, shares authorized								190,000,000	190,000,000	190,000,000
Common stock, par value per share								$ 0.001	$ 0.001	$ 0.001
Common stock, shares issued								23,823,142	23,908,542	23,823,142
Repayment of amount outstanding under credit facility				61,000,000
Write-off of unamortized debt issuance costs							1,649,000				1,649,000
Number of shares sold by shareholders	5,386,667	6,000,000	4,750,000
Number of shares sold to cover over allotments														808,000	900,000	150,000
Proceeds from offering	0	0	0								66,457,000
Secondary public offering costs	231,000	381,000	412,000		381,000	412,000		231,000	5,000	1,024,000
Del Frisco's [Member]
Organization And Basis Of Presentation [Line Items]
Number of restaurants owned and operated									11
Sullivan's [Member]
Organization And Basis Of Presentation [Line Items]
Number of restaurants owned and operated									19
Grille [Member]
Organization And Basis Of Presentation [Line Items]
Number of restaurants owned and operated									16
Lone Star Fund [Member]
Organization And Basis Of Presentation [Line Items]
One time payment made for termination of asset advisory agreement				3,000,000
IPO [Member]
Organization And Basis Of Presentation [Line Items]
Value of initial public offering												$ 75,400,000
Number of common shares issued in initial public offering												5,800,000
Initial public offering price per share												$ 13.00
Closing date of IPO												August 1, 2012
Common stock, shares outstanding				23,800,000
Preferred stock, shares authorized												10,000,000
Preferred stock, par value per share												$ 0.001
Common stock, shares authorized												190,000,000
Common stock, par value per share												$ 0.001
Common stock, shares issued				23,800,000
IPO [Member] | Lone Star Fund [Member]
Organization And Basis Of Presentation [Line Items]
Common stock, shares outstanding				18,000,000
Percentage of common stock outstanding				75.60%
Common Stock [Member] | IPO [Member]
Organization And Basis Of Presentation [Line Items]
Converted common shares													18,000,000