Income Taxes (Rate Reconciliation) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Income Tax Disclosure [Abstract] | |||
| Tax benefit, at U.S. federal statutory tax rate | $ (1,787) | $ (10,012) | $ (1,559) |
| State income tax benefit, net of federal benefit | (2,461) | (5,390) | (1,714) |
| Effect of stock-based compensation excess tax benefit | (9,349) | (11,983) | (7,782) |
| Effect of permanent items | 258 | 1,048 | 2,967 |
| Effect of India partnerships | 2,977 | 0 | 0 |
| Change in valuation allowance | 16,210 | (3,364) | (4,244) |
| Effect of change in state and foreign income tax rates | 1,323 | 2,449 | (269) |
| Uncertain tax positions | (6,093) | 4,478 | (2,062) |
| BEAT liability | 0 | 0 | 3,760 |
| Research and development credits | (5,939) | (6,756) | (4,770) |
| State net operating loss adjustment | 31 | (1,588) | 0 |
| Other | (571) | 225 | 2,501 |
| Total | $ (5,401) | $ (30,893) | $ (13,172) |
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- Definition Effective Income Tax Rate Reconciliation, Effect Of Partnership No definition available.
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- Definition Amount of federal and state net operating loss true-up. No definition available.
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to Effect of stock-based compensation excess tax benefit. No definition available.
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- Definition Income tax reconciliation uncertain tax positions. No definition available.
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- Definition Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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