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Inventory - Schedule of Inventory (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Inventory Disclosure [Abstract]
Raw materials - current	$ 17,528	$ 18,026
Work-in-process	1,801	1,900
Inventory - current	19,329	19,926
Raw materials - long term (net of allowances of $64 and $221, respectively)	1,582	1,065
Allowance for inventory obsolescence	64	221	$ 24
Inventory - total	$ 20,911	$ 20,991

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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