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Income Taxes - Tax Credit Carryforwards (Details) $ in Thousands | Dec. 31, 2020 USD ($)
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Orphan drug tax credit carryforwards |
Tax Credit Carryforward |
Tax credit carryforward | $ 162,653
Federal | Research and development |
Tax Credit Carryforward |
Tax credit carryforward | 150,598
State | Research and development |
Tax Credit Carryforward |
Tax credit carryforward | $ 23,986

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
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