Taxable income (loss)

No definition available.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

+ References

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

+ References

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Income Taxes - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
Income Taxes - Narrative (Details) - USD ($)	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating Loss Carryforwards [Line Items]
Deferred tax liabilities	$ 2,734,000		$ 2,734,000
Domestic
Operating Loss Carryforwards [Line Items]
Taxable loss	(26,900,000)	$ (47,100,000)	(133,900,000)	$ (194,400,000)
Operating loss carryforwards	702,700,000		702,700,000
Deferred tax assets, capital loss carryforwards	199,700,000		199,700,000
Research and development tax credits	10,000,000		10,000,000
Foreign
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	78,200,000		78,200,000
Generated After 2017
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 450,000,000		$ 450,000,000