Investments and Fair Value Instruments - Summary of Changes in Fair Value and Other Adjustments of Assets and Liabilities (Detail) $ in Thousands	6 Months Ended
Jun. 30, 2026 USD ($)
Quarterly Remeasurement [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	$ (4,416)
Immediately Before Modification [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	141
Immediately After Modification [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	540
June 2026 Options - Series A-1 [Member] \| Quarterly Remeasurement [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	(1,189)
June 2026 Placement Agent Options [Member] \| Quarterly Remeasurement [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	(80)
January 2026 Options [Member] \| Quarterly Remeasurement [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	(1,994)
January 2026 Placement Agent Options [Member] \| Quarterly Remeasurement [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	(62)
March 2023 Options - Series A [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Options exercise	(872)
March 2023 Options - Series A [Member] \| Immediately Before Modification [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	124
March 2023 Options - Series A [Member] \| Immediately After Modification [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	457
March 2023 Placement Agent Options [Member] \| Quarterly Remeasurement [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	(12)
August 2022 Options [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Options exercise	(143)
August 2022 Options [Member] \| Immediately Before Modification [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	17
August 2022 Options [Member] \| Immediately After Modification [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	83
Level 3 [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance	347
Initial recognition	8,017
Options exercise	(1,015)
Ending Balance	3,614
Level 3 [Member] \| June 2026 Options - Series A-1 [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance	0
Initial recognition	3,055
Ending Balance	1,866
Level 3 [Member] \| June 2026 Options - Series A-2 [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance	0
Initial recognition	2,369
Ending Balance	1,290
Level 3 [Member] \| June 2026 Options - Series A-2 [Member] \| Quarterly Remeasurement [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Change in fair value	(1,079)
Level 3 [Member] \| June 2026 Placement Agent Options [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance	0
Initial recognition	201
Ending Balance	121
Level 3 [Member] \| January 2026 Options [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance	0
Initial recognition	2,321
Ending Balance	327
Level 3 [Member] \| January 2026 Placement Agent Options [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance	0
Initial recognition	71
Ending Balance	9
Level 3 [Member] \| March 2023 Options - Series A [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance	291
Initial recognition	0
Ending Balance	0
Level 3 [Member] \| March 2023 Placement Agent Options [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance	12
Initial recognition	0
Ending Balance	0
Level 3 [Member] \| August 2022 Options [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance	43
Initial recognition	0
Ending Balance	0
Level 3 [Member] \| August 2022 Placement Agent Options [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance	1
Initial recognition	0
Ending Balance	1
Level 3 [Member] \| Note Receivable Bifurcated Derivatives [Member]
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning Balance	0
Initial recognition	0
Ending Balance	$ 0

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+ References

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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