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Stock Based Compensation (Narrative) (Details) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Oct. 01, 2021 USD ($) $ / shares shares	Oct. 01, 2021 USD ($) $ / shares shares
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted | shares	14,357	482,031
Weighted average grant-date fair value | $ / shares	$ 18.15	$ 14.70
Shares outstanding | shares	1,196,952	1,196,952
Nonvested weighted average grant-date fair value | $ / shares	$ 15.75	$ 15.75
Compensation expense | $	$ 10,900	$ 10,900
Weighted average period		2 years 2 months 12 days
Common Stock Subject to Vesting Requirements [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding | shares	12,866	12,866
Nonvested weighted average grant-date fair value | $ / shares	$ 16.17	$ 16.17
Compensation expense | $	$ 61	$ 61
Weighted average period		1 year 3 months 18 days

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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