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Income Taxes (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Income Taxes |  |  |  |  |
Valuation allowance, deferred tax asset, increase (decrease), amount |  |  | $ 66,000,000 |  | $ 50,600,000
Income tax benefit | $ 15,439,000 | $ 0 | 15,439,000 | $ 0 |
States operating loss carryforwards | 199,100,000 |  | $ 199,100,000 |  |
Minimum |  |  |  |  |
Income Taxes |  |  |  |  |
Number of tax years open for state tax audit (in years) |  |  | 3 years |  |
Maximum |  |  |  |  |
Income Taxes |  |  |  |  |
Number of tax years open for state tax audit (in years) |  |  | 5 years |  |
Domestic Tax Authority |  |  |  |  |
Income Taxes |  |  |  |  |
Operating loss carryforwards | 1,600,000,000 |  | $ 1,600,000,000 |  |
Operating loss carryforwards, subject to expiration | 700,000,000 |  | 700,000,000 |  |
Operating loss carryforwards, not subject to expiration | 900,000,000 |  | 900,000,000 |  |
Tax credit carryforward, amount | 33,500,000 |  | 33,500,000 |  |
State and Local Jurisdiction |  |  |  |  |
Income Taxes |  |  |  |  |
Operating loss carryforwards | 1,100,000,000 |  | 1,100,000,000 |  |
Operating loss carryforwards, subject to expiration | 237,400,000 |  | 237,400,000 |  |
Operating loss carryforwards, not subject to expiration | $ 650,700,000 |  | $ 650,700,000 |  |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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