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Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets (liabilities) |  |
Accrued expenses | $ 10,575 | $ 8,346
Net operating loss and credit carryforward | 21,138 | 20,145
Allowance, reserves and other | 2,668 | 1,381
Stock-based compensation | 2,665 | 3,379
Lease liability | 6,507 | 2,427
Deferred tax assets | 43,553 | 35,678
Property, plant, and equipment | (7,664) | (4,805)
Intangible amortization | (12,389) | (14,292)
Right-of-use asset | (6,077) | (2,139)
Deferred tax liabilities | (26,130) | (21,236)
Valuation allowance | $ (17,423) |
Total |  | $ 14,442

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