INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Net operating loss carryforwards	$ 4,491	$ 15,533
Stock-based compensation	4,755	5,207
Research and development credits	61,198	38,146
Lease liability	13,004	5,739
Section 174 research and development capitalization	190,768	102,055
Marketing and advertising	674	766
Sales tax / Value added tax ("VAT") reserve	560	397
Other deferred tax assets	70	65
Valuation allowance	(256,728)	(156,870)	$ (108,504)
Total deferred tax assets	18,792	11,038
ROU asset	(10,757)	(4,354)
Property and equipment	(2,885)	(2,164)
Capitalized software	(4,444)	(3,716)
Other deferred tax liabilities	(322)	(38)
Total deferred tax liabilities	(18,408)	(10,272)
Net deferred taxes	$ 384	$ 766

Deferred Tax Assets, Leasing Arrangements

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Deferred Tax Assets, State Taxes And VAT Taxes

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from in-process research and development cost acquired in business combination or from joint venture formation or both.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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

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

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Amount, before allocation of valuation allowances, of deferred tax asset attributable to deductible differences from reserves and accruals, compensation and benefit costs, and other provisions, reserves, and allowances.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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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 deferred tax liability attributable to taxable temporary differences from capitalized software.

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Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.

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Amount of deferred tax liability attributable to taxable temporary differences classified as other.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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