Stock-Based Compensation - Summary of Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Granted	0	2,527,000
2018 Stock Plan and 2021 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Beginning Balance	4,165,000
Number of Options, Ending Balance	4,165,000		4,165,000
Number of Options, Exercisable options as of March 31, 2025	2,743,000
Weighted-Average Exercise Price, Beginning Balance	$ 1.9
Weighted-Average Exercise Price, Ending Balance	1.9		$ 1.9
Weighted-Average Exercise Price, Exercisable options as of March 31, 2025	$ 1.25
Weighted Average Remaining Contractual Life (Years), Balance	6 years 6 months		6 years 8 months 26 days
Weighted Average Remaining Contractual Life (years), Exercisable options as of March 31, 2025	5 years 5 months 19 days
Aggregate Intrinsic Value	$ 1,414		$ 2,445
Aggregate Intrinsic Value, Exercisable options as of March 31, 2025	$ 1,414

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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