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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Income Tax Contingency [Line Items] |  |
Valuation allowance | $ 19,003 | $ 19,191
Federal and State |  |
Income Tax Contingency [Line Items] |  |
Deferred tax assets, subject to expiration | 23,900 |
State |  |
Income Tax Contingency [Line Items] |  |
Tax credit carryforward, amount | $ 15,900 |

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