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Income Taxes - Operating Loss Carryforwards (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($)
Federal |
Operating Loss Carryforwards |
Operating loss carryforward | $ 160,531
Research tax credits | 3,770
State |
Operating Loss Carryforwards |
Operating loss carryforward | 141,751
Research tax credits | 645
Foreign |
Operating Loss Carryforwards |
Indefinite federal net operating loss carryforward | $ 79,223

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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://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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