Income taxes.

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Percentage of post-TCJA losses taxable income limitation.

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Post-TCJA operating loss carry forwards.

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Pre-TCJA losses carry forwards period.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of unrecognized tax benefits.

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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2018	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Taxes [Line Items]
Deferred tax assets, valuation allowance	$ 4,677,088		$ 4,471,571
Unrecognized tax benefits	562,808		513,404	$ 510,669	$ 469,573
Other Liabilities
Income Taxes [Line Items]
Unrecognized tax benefits	35,800		$ 27,300
Foreign \| U.K.
Income Taxes [Line Items]
Net operating loss carry-forwards	$ 4,700,000
Percentage of taxable income limitation	50.00%
Foreign \| Singapore
Income Taxes [Line Items]
Net operating loss carry-forwards	$ 214,000
Federal
Income Taxes [Line Items]
Net operating loss carry-forwards	6,100,000
Pre-tax act operating loss carry-forwards period		20 years
Post-tax act operating loss carry-forwards	$ 6,100,000
Percentage of taxable income limitation	80.00%
Federal \| Research
Income Taxes [Line Items]
Accumulated research tax credits	$ 916,500
State
Income Taxes [Line Items]
Net operating loss carry-forwards	4,400,000
State \| Research
Income Taxes [Line Items]
Accumulated research tax credits	$ 523,700