v3.26.1

Marketable Securities - Additional Information (Detail)	3 Months Ended
Marketable Securities - Additional Information (Detail)	Mar. 31, 2026 USD ($) Security	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($) Security
Investments Debt And Equity Securities [Abstract]
Realized gains or losses on available-for-sale marketable securities	$ 0	$ 0
Marketable securities, continuous unrealized loss position, 12 months or longer \| Security	0		0
Credit losses related to its marketable securities	$ 0		$ 0
Accrued interest receivables	$ 1,100,000		$ 1,000,000
Debt securities available for sale accrued interest after allowance for credit loss statement of financial position extensible list not disclosed flag	Accrued interest receivables		Accrued interest receivables

Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss Statement Of Financial Position Extensible List Not Disclosed Flag.

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No definition available.

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- Definition

Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2A
-Publisher FASB
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479106/326-30-50-3B

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- Definition

Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479106/326-30-50-4

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Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
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Trevi Therapeutics, Inc. 10-Q