Stock-Based Compensation - Stock Options and SARs (Details) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 28, 2025 USD ($) $ / shares shares
Employee Stock Option
Shares
Outstanding at the beginning | shares	1,383,738
Granted | shares	0
Exercised | shares	0
Forfeited | shares	(34,719)
Expired | shares	0
Outstanding at the end | shares	1,349,019
Vested and expected to vest | shares	1,349,019
Options exercisable at the end | shares	1,097,147
Weighted-Average Exercise Price per Share
Outstanding at the beginning (in dollars per share) | $ / shares	$ 15.2
Granted (in dollars per share) | $ / shares	0
Exercised (in dollars per share) | $ / shares	0
Forfeited (in dollars per share) | $ / shares	15.38
Expired (in dollars per share) | $ / shares	0
Outstanding at the end (in dollars per share) | $ / shares	15.2
Vested and expected to vest at the end (in dollars per share) | $ / shares	15.2
Options exercisable at the end (in dollars per share) | $ / shares	$ 16.05
Weighted-Average Remaining Contract Term
Outstanding at the end (in years)	5 years 6 months 25 days
Vested and expected to vest at the end (in years)	5 years 6 months 25 days
Options exercisable at the end (in years)	5 years 3 months 10 days
Outstanding at the end (in dollars) | $	$ 104
Vested and expected to vest (in dollars) | $	104
Options exercisable at the end (in dollars) | $	$ 52
Stock Appreciation Rights (SARs)
Shares
Outstanding at the beginning | shares	660,556
Granted | shares	0
Exercised | shares	0
Forfeited | shares	(73,027)
Outstanding at the end | shares	587,529
Vested and expected to vest | shares	587,529
Options exercisable at the end | shares	292,602
Weighted-Average Exercise Price per Share
Outstanding at the beginning (in dollars per share) | $ / shares	$ 3.15
Granted (in dollars per share) | $ / shares	0
Exercised (in dollars per share) | $ / shares	0
Forfeited (in dollars per share) | $ / shares	3.24
Outstanding at the end (in dollars per share) | $ / shares	3.14
Vested and expected to vest at the end (in dollars per share) | $ / shares	3.14
Options exercisable at the end (in dollars per share) | $ / shares	$ 3.19
Weighted-Average Remaining Contract Term
Outstanding at the end (in years)	6 years 11 months 4 days
Vested and expected to vest at the end (in years)	6 years 11 months 4 days
Options exercisable at the end (in years)	5 years 11 months 8 days
Outstanding at the end (in dollars) | $	$ 2,023
Vested and expected to vest (in dollars) | $	2,023
Options exercisable at the end (in dollars) | $	$ 992