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Payment of milestone.

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Related party transaction number of board seats.

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Exercise price per share or per unit of warrants or rights outstanding.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Percentage of ownership of equity interest excluding interest in entity that is consolidated and equity method investee.

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Amount of transactions with related party during the financial reporting period.

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Amount of noncash expense for share-based payment arrangement.

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Related Party Transactions - Additional Information (Details) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2026 USD ($) shares	Jun. 30, 2026 USD ($) Seats shares	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) shares	Nov. 10, 2025 $ / shares
Related Party Transaction [Line Items]
Stock-based compensation		$ 9,278	$ 351
Common stock, issued \| shares	61,734,601	61,734,601		1,597,321
Sock-based compensation expense		$ 9,278	$ 351
Paragon Agreement
Related Party Transaction [Line Items]
Related party transactions	$ 10,300	27,300
Stock-based compensation	4,500	9,500
Sock-based compensation expense	4,500	9,500
Unpaid amount	5,700	5,700
Cash payments to related party transaction	12,100	29,300
Related Party Transaction, Amounts of Transaction	10,300	$ 27,300
Paramora Option Obligation
Related Party Transaction [Line Items]
Percentage of outstanding shares covered by annual equity grant of warrants		1.00%
Exercise price per warrant \| $ / shares					$ 23.01
Related Party
Related Party Transaction [Line Items]
Unpaid amount	$ 5,662	$ 5,662		$ 17,221
Related Party \| Fairmount
Related Party Transaction [Line Items]
Related party transaction number of board seats \| Seats		3
Galecto, Inc. \| Minimum \| Capital Units \| Related Party \| Fairmount
Related Party Transaction [Line Items]
Ownership percentage	5.00%	5.00%
Galecto, Inc. \| Maximum \| Common Stock \| Related Party \| Paragon Therapeutics, Inc. and Paramora Holding LLC
Related Party Transaction [Line Items]
Ownership percentage	5.00%	5.00%
Paragon \| Minimum \| Related Party \| Fairmount
Related Party Transaction [Line Items]
Ownership percentage	5.00%	5.00%
Paragon License Agreement \| Paragon Agreement
Related Party Transaction [Line Items]
Maximum Amount to be Paid Upon Achievement of Specific Development Regulatory and Clinical Milestones	$ 22,000	$ 22,000
Payments upon achievement of specific development, regulatory and clinical milestones	22,000	22,000
Milestone payment	$ 2,500	$ 2,500