Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2016	Jun. 28, 2015	Jul. 03, 2016	Jun. 28, 2015
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ 9,376	$ (4,977)	$ 11,521	$ (14,253)
Net income (loss) available to common stockholders	$ 7,277	$ (4,977)	$ 8,943	$ (14,253)
Weighted average common shares outstanding	35,117,463	34,899,019	35,109,610	34,890,661
Basic net income (loss) per share	$ 0.21	$ (0.14)	$ 0.25	$ (0.41)
Dilutive effect of preferred stock and non-vested shares	9,701,065	0	9,740,097	0
Shares used in computing diluted net income (loss) per share	44,818,528	34,899,019	44,849,707	34,890,661
Diluted net income (loss) per share	$ 0.21	$ (0.14)	$ 0.25	$ (0.41)
Shares excluded from diluted net income (loss) per share computations (1)	0	10,019,107	0	10,019,107
Restricted Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Less: Income attributable to participating securities	$ (148)	$ 0	$ (180)	$ 0
Preferred Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Less: Income attributable to participating securities	$ (1,951)	$ 0	$ (2,398)	$ 0