Amount of income tax expense (benefit) from effect of Coronavirus Aid, Relief, and Economic Security (CARES) Act.

No definition available.

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- Definition

Percentage of taxable income that can be offset by federal net operating losses incurred in 2018 and in future years under the Tax Cut and Jobs Act of 2017 and modified by the Coronavirus Aid, Relief, and Economic Security, or CARES, Act.

+ References

No definition available.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Taxes [Abstract]
Percentage of taxable income that can be offset with federal net operating losses		100.00%
Tax benefit related to CARES Act		$ (1,700)
Income tax expense (benefit)	$ 2,648		$ (14,915)	$ (1,047)	$ 9,204
Effective tax rate				0.70%
Federal statutory rate				21.00%
Akcea [Member]
Income Taxes [Abstract]
Tax benefit related to CARES Act		$ (1,700)		$ (1,700)