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Income Taxes - Carryforwards (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Income Taxes |  |
Net deferred tax liability | $ 1,613 | $ 1,613
Federal |  |
Income Taxes |  |
Net operating loss carryforwards | 566,000 |
Federal NOL carryforwards | 758,700 |
Tax credit carryforwards | 48,700 |
Federal | R&D credit |  |
Income Taxes |  |
Net operating loss carryforwards | 19,800 |
State |  |
Income Taxes |  |
Net operating loss carryforwards | 888,800 |
State | R&D credit |  |
Income Taxes |  |
Net operating loss carryforwards | $ 6,300 |

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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-3 + Details
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- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-3 + Details
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