Consolidated Statements of Changes in Stockholder's Equity Statement - USD ($) $ in Thousands	Total	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]
Beginning balance (in shares) at Dec. 29, 2019		51,049,377	100				(553,112)
Beginning balance at Dec. 29, 2019	$ 309,462	$ 510		$ 301,251	$ 11,096	$ 622	$ (4,017)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,132			1,132
Vesting of non-vested shares (in shares)		424,963
Vesting of non-vested shares and RSUs	0	$ 5		(5)
Net income (loss)	$ (22,209)
Repurchase of treasury stock (in shares)	(9,318)
Purchase of treasury stock	$ (54)						$ (54)
Change in valuation of interest rate swap	(5,209)					(5,209)
Ending balance (in shares) at Mar. 29, 2020		51,474,340	100				(562,430)
Ending balance at Mar. 29, 2020	$ 283,122	$ 515	$ 0	302,378	(11,113)	(4,587)	$ (4,071)
Beginning balance (in shares) at Jan. 03, 2021	49,389,382	51,486,116	100				(2,096,734)
Beginning balance at Jan. 03, 2021	$ 271,532	$ 515	$ 0	306,469	(18,367)	(3,015)	$ (14,070)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,469
Vesting of non-vested shares (in shares)		522,406
Vesting of non-vested shares and RSUs	0	$ 5		(5)
Net income (loss)	$ (7,168)
Repurchase of treasury stock (in shares)	(8,219)
Purchase of treasury stock	$ (57)						$ (57)
Change in valuation of interest rate swap	$ 3,159					3,159
Ending balance (in shares) at Apr. 04, 2021	49,903,569	52,008,522	100				(2,104,953)
Ending balance at Apr. 04, 2021	$ 268,935	$ 520	$ 0	$ 307,933	$ (25,535)	$ 144	$ (14,127)