Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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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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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock Based Compensation - Restricted Stock Units (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		9 Months Ended
	Sep. 21, 2021	Oct. 02, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Restricted stock units
Number of Restricted Stock Units
Granted (in shares)	98,622	180,001
Weighted Average Grant Date Fair Value
Vesting period	2 years	2 years
Omnibus Plan
Weighted Average Grant Date Fair Value
Unrecognized compensation expense			$ 5,015		$ 5,015
Period over which compensation expense expected to recognize					1 year 10 months 24 days
Omnibus Plan \| Restricted stock units
Number of Restricted Stock Units
Units outstanding at the beginning of the period (in shares)					180,001
Granted (in shares)					98,622
Forfeited (in shares)					(22,485)
Units outstanding at the end of the period (in shares)			256,138		256,138
Weighted Average Grant Date Fair Value
Units outstanding at the beginning of the period (in dollars per shares)					$ 2.12
Granted (in dollars per share)					29.62
Forfeited (in dollars per share)					2.12
Units outstanding at the end of the period (in dollars per shares)			$ 12.71		$ 12.71
Weighted-Average Remaining Amortization Period					1 year 9 months 7 days
Compensation expense			$ 116	$ 25	$ 214	$ 84