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Income Taxes (Details 2) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Tax Disclosure [Abstract] |  |  |
Income Tax Benefit | $ 0 | $ 0 | $ 0
Valuation Allowance, Deferred Tax Asset, Change in Amount | 19,500 |  |
Operating Loss Carryforwards, Federal | 1,200,000 |  |
Operating Loss Carryforwards, State | 86,900 |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 0 | 0 |
Investments, Owned, Federal Income Tax Note [Line Items] |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Research | $ 29,290 | $ 29,290 |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319 + Details
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