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Income Taxes - Changes in Valuation Allowance (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Changes In Deferred Tax Asset, Valuation Allowance [Roll Forward] |  |  |
Balance at beginning of year | $ 4,287 | $ 3,214 | $ 2,479
Provision for income taxes | 643 | 1,103 | 3,150
Write-offs and Deductions | (42) | (30) | (2,415)
Balance at end of year | $ 4,888 | $ 4,287 | $ 3,214

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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