Income taxes - Schedule of Significant Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Stock based compensation	$ 25,723	$ 20,561
Capitalized research expenses	18,250	12,593
Net operating loss carryforwards	12,988	16,106
Accruals and reserves	11,431	7,393
Capital loss carryforward	5,760	3,353
Lease liabilities	3,741	305
Tax credit carryforwards	1,418	89
Unrealized loss on investments	1,368	10,852
Other, net	395	69
Unrealized foreign currency exchange gain (loss)	0	68
Total deferred tax assets	81,074	71,389
Valuation allowance	(31,029)	(29,638)
Total deferred tax assets, net of valuation allowance	50,045	41,751
Intangible assets	(53,925)	(59,472)
Foreign branch income	(10,175)	0
Right-of-use assets	(3,689)	(273)
Credit risk adjustment	(1,049)	(802)
Fixed assets	(290)	(444)
Unrealized foreign currency exchange gain (loss)	(253)	0
Other	0	(376)
Total deferred tax liabilities	(69,381)	(61,367)
Total deferred tax liabilities	$ (19,336)	$ (19,616)

Deferred tax assets lease liabilities.

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Deferred tax liabilities credit risk adjustment.

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Deferred tax liabilities foreign income.

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Deferred tax liabilities right of use assets.

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

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Amount of deferred tax liability attributable to taxable temporary differences.

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

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

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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 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 allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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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 before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrealized losses on foreign currency transactions.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from unrealized loss on investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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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 intangible assets other than goodwill.

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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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Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains on foreign currency transactions.

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