Stockholders' Equity - Narrative (Details) $ / shares in Units, shares in Thousands, $ in Thousands					12 Months Ended
	Dec. 29, 2020 $ / shares	Dec. 28, 2020	Jun. 30, 2020 USD ($) $ / shares shares	Mar. 27, 2020 USD ($) shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Jun. 29, 2020 $ / shares shares
Shares issued upon conversion of debt, in shares | shares				7,026
Conversion of convertible notes					$ 788	$ 3,547
Common stock, shares authorized (in shares) | shares			400,000		40,000	40,000	200,000
Common stock, par value (in dollars per share) | $ / shares			$ 0.01		$ 0.01	$ 0.01	$ 0.01
Reclassification of conversion option to equity, net of $0 tax effect (Note 5)			$ 36,952		$ 36,952	$ 0
Reclassification of debt to equity, tax effect					281	1,086
Reverse stock split, description		each 10 shares of common stock issued and outstanding as of December 29, 2020 was combined into one whole share of common stock (the “Reverse Split”)
Stock split, conversion ratio	0.1
Amount paid per share for pre split fractional shares | $ / shares	$ 0.70
Common Shares
Conversion of convertible notes				$ 70
Additional Paid-in Capital
Conversion of convertible notes				$ 25,239	788	3,547
Reclassification of conversion option to equity, net of $0 tax effect (Note 5)					$ 36,952
Reclassification of debt to equity, tax effect						$ 1,086