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Income Taxes - Expiration of Loss and Tax Credit Carryforwards (Detail) $ in Thousands | Dec. 31, 2018 USD ($)
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Operating Loss and Tax Credit Carryforward [Line Items] |
Loss Carryforwards | $ 662,010
Tax Credit Carryforwards | 64,857
Period of Expiration 2019 - 2023 |
Operating Loss and Tax Credit Carryforward [Line Items] |
Loss Carryforwards | 8,190
Tax Credit Carryforwards | 2,837
Thereafter |
Operating Loss and Tax Credit Carryforward [Line Items] |
Loss Carryforwards | 213,629
Tax Credit Carryforwards | 39,871
No expiration date |
Operating Loss and Tax Credit Carryforward [Line Items] |
Loss Carryforwards | 440,191
Tax Credit Carryforwards | $ 22,149

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- Definition Operating Loss and Tax Credit Carryforward [Line Items] + References No definition available. + 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://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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