Share-Based Compensation - Parascent Warrant Obligation Fair Value of Awards (Details) - Parascent warrant obligation	3 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected term (in years)	10 years	10 years
Expected volatility	96.30%	101.50%
Risk-free interest rate	4.60%	4.20%
Dividend yield	0.00%	0.00%

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.

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+ Details

CRESCENT BIOPHARMA, INC. 10-K