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Share-Based Compensation - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 30, 2023 USD ($) installment shares	Dec. 31, 2022 USD ($) shares	Jan. 01, 2022 USD ($) shares
Share-Based Compensation
Compensation expense	$ 4,400	$ 4,800	$ 4,100
Vested (in shares) | shares	0
2006 Incentive Plan
Share-Based Compensation
Shares available for grant (in shares) | shares	661,327
Granted (in shares) | shares	0	0	0
Aggregate intrinsic value	$ 1,541	$ 4,900	$ 11,200
1998 ESPP
Share-Based Compensation
Shares available for grant (in shares) | shares	211,777
Number of shares authorized (in shares) | shares	243,000
Purchase price as a percentage of fair market value (as a percent)	85.00%
Offering period under the plan (in years)	1 year
Shares issued (in shares) | shares	0	0	0
Restricted stock
Share-Based Compensation
Unrecognized compensation cost, net of expected forfeitures	$ 1,400
Number of vesting installments | installment	4
Weighted-average period over which cost is expected to be recognized	2 years 6 months
Forfeiture rate (as a percent)	0.90%
Fair value of restricted shares vested	$ 700	$ 600	$ 500
Time-Vesting RSUs
Share-Based Compensation
Unrecognized compensation cost, net of expected forfeitures	$ 3,300
Weighted-average period over which cost is expected to be recognized	2 years 7 months 6 days
Forfeiture rate (as a percent)	0.90%
Fair value of restricted shares vested	$ 1,600	1,400	1,300
Time-Vesting RSUs | Minimum
Share-Based Compensation
Number of vesting installments | installment	4
Time-Vesting RSUs | Maximum
Share-Based Compensation
Number of vesting installments | installment	5
Options
Share-Based Compensation
Fair value of options vested		$ 100	$ 200
Unrecognized compensation cost, net of expected forfeitures	$ 0
PRSU
Share-Based Compensation
Vesting period (in years)	2 years
PRSU | Vesting in the first year following performance period | Grants Before 2022
Share-Based Compensation
Vesting percentage	75.00%
PRSU | Vesting in the first year following performance period | 2022 Grants
Share-Based Compensation
Vesting percentage	50.00%
PRSU | Vesting on the fourth anniversary of date of grant | Grants Before 2022
Share-Based Compensation
Vesting percentage	25.00%
PRSU | Vesting on the fourth anniversary of date of grant | 2022 Grants
Share-Based Compensation
Vesting percentage	25.00%
PRSU | Vesting on the fifth anniversary of date of grant | 2022 Grants
Share-Based Compensation
Vesting percentage	25.00%
PRSU | Minimum
Share-Based Compensation
PRSUs performance measure (as a percent)	50.00%
PRSU | Maximum
Share-Based Compensation
PRSUs performance measure (as a percent)	150.00%
PRSU | 2006 Incentive Plan
Share-Based Compensation
Achievement percentage (as a percent)		125.00%

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The performance achievement percentage as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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