Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Oct. 01, 2021	Sep. 30, 2022	Oct. 01, 2021
Numerator for basic and diluted EPS:
Net income	$ 19,952	$ 18,156	$ 57,226	$ 52,791
Denominator for basic EPS:
Weighted-average shares outstanding (in shares)	20,526	20,439	20,502	20,414
Effect of dilutive securities:
Diluted potential common shares (in shares)	254	218	254	245
Denominator for diluted EPS:
Adjusted weighted-average shares outstanding (in shares)	20,780	20,657	20,756	20,659
Basic EPS (in USD per share)	$ 0.97	$ 0.89	$ 2.79	$ 2.59
Diluted EPS (in USD per share)	$ 0.96	$ 0.88	$ 2.76	$ 2.56
Stock appreciation rights
Effect of dilutive securities:
Dilutive effect of share-based compensation (in shares)	85	72	85	73
Restricted stock units
Effect of dilutive securities:
Dilutive effect of share-based compensation (in shares)	98	94	113	113
Performance-based restricted stock units
Effect of dilutive securities:
Dilutive effect of share-based compensation (in shares)	71	52	55	59