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Stock Based Compensation (Narrative) (Details) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
	Jul. 02, 2021 USD ($) $ / shares shares	Jul. 02, 2021 USD ($) $ / shares shares
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted | shares	5,696	467,674
Weighted average grant-date fair value | $ / shares	$ 17.55	$ 14.59
Shares outstanding | shares	1,233,803	1,233,803
Nonvested weighted average grant-date fair value | $ / shares	$ 15.74	$ 15.74
Compensation expense | $	$ 13,200	$ 13,200
Weighted average period		2 years 3 months 18 days
Common Stock Subject to Vesting Requirements [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding | shares	21,154	21,154
Nonvested weighted average grant-date fair value | $ / shares	$ 16.17	$ 16.17
Compensation expense | $	$ 114	$ 114
Weighted average period		1 year 4 months 24 days

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- Definition

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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