Redeemable Convertible Preferred Stock (Details) - shares		12 Months Ended		28 Months Ended
	Sep. 13, 2024	Dec. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Common Equity
Temporary Equity [Line Items]
Conversion of convertible preferred stock into common stock upon initial public offering (in shares)		33,210,876
Common Equity | IPO
Temporary Equity [Line Items]
Conversion of convertible preferred stock into common stock upon initial public offering (in shares)	33,210,876
Seed Series Redeemable Convertible Preferred Stock
Temporary Equity [Line Items]
Shares issued (in shares)				81,790,144
Series B Redeemable Convertible Preferred Stock
Temporary Equity [Line Items]
Shares issued (in shares)			105,595,101
Series C Redeemable Convertible Preferred Stock
Temporary Equity [Line Items]
Shares issued (in shares)			119,599,872