Stock-Based Compensation - Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Stock-Based Compensation Expense
Stock-based compensation expense recognized	$ 19,457	$ 8,625
Unrecognized stock-based compensation expense related to unvested stock option	$ 54,400
Period over which unamortized stock-based compensation expense to be recognized	2 years 6 months
Research and development
Stock-Based Compensation Expense
Stock-based compensation expense recognized	$ 10,110	4,745
General and administrative
Stock-Based Compensation Expense
Stock-based compensation expense recognized	9,347	3,880
Executives
Stock-Based Compensation Expense
Stock-based compensation expense recognized	300	300
Stock options
Stock-Based Compensation Expense
Stock-based compensation expense recognized	19,399	8,553
Restricted stock awards
Stock-Based Compensation Expense
Stock-based compensation expense recognized	$ 58	$ 72

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Amount of cost to be recognized for option under share-based payment arrangement.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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