Stock-based Compensation - Stock Option Activity (Details) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2025 USD ($) $ / shares shares
Number of Options
Exercised (in shares)	0
Outstanding stock options
Number of Options
Outstanding at beginning of period (in shares)	7,634,937
Granted (in shares)	3,390,691
Exercised (in shares)	0
Cancelled (in shares)	(1,070,756)
Outstanding at end of period (in shares)	9,954,872
Exercisable at end of period (shares)	6,203,856
Weighted-Average Exercise Price per Share
Weighted-Average Exercise Price - Outstanding at beginning of period (in usd per share) \| $ / shares	$ 6.24
Weighted-Average Exercise Price - Granted (in usd per share) \| $ / shares	1.49
Weighted-Average Exercise Price - Exercised (in usd per share) \| $ / shares	0
Weighted-Average Exercise Price - Cancelled (in usd per share) \| $ / shares	5.43
Weighted-Average Exercise Price - Outstanding at end of period (in usd per share) \| $ / shares	4.71
Weighted-Average Exercise Price - Exercisable at end of period (in usd per share) \| $ / shares	$ 6.19
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]
Weighted Average Remaining Contractual Life - Outstanding	7 years 1 month 28 days
Weighted Average Remaining Contractual Life - Exercisable	6 years 3 months 3 days
Outstanding, Aggregate Intrinsic Value \| $	$ 0.0
Exercisable, Aggregate Intrinsic Value \| $	$ 0.0

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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