REDEEMABLE CONVERTIBLE PREFERRED STOCK - Schedule Of Activity Related To Preferred Stock (Details)	Jun. 30, 2026 shares	Jun. 05, 2026	Mar. 31, 2026 shares	Dec. 31, 2025 shares	Jun. 30, 2025 shares	Mar. 31, 2025 shares	Dec. 31, 2024 shares
Temporary Equity [Line Items]
Shares Outstanding (in shares)	0		67,314,957	67,314,957	67,314,957	67,314,957	67,314,957
Conversion ratio		3.6684
Factorial Shares Issued	0			67,314,957
Previously Reported
Temporary Equity [Line Items]
Shares Outstanding (in shares)				18,349,937
Series A-1 redeemable convertible preferred stock
Temporary Equity [Line Items]
Shares Outstanding (in shares)				4,528,900
Conversion ratio				3.6684
Factorial Shares Issued				4,528,900
Series A-1 redeemable convertible preferred stock \| Previously Reported
Temporary Equity [Line Items]
Shares Outstanding (in shares)				1,234,568
Series A-2 redeemable convertible preferred stock
Temporary Equity [Line Items]
Shares Outstanding (in shares)				8,665,524
Conversion ratio				3.6684
Factorial Shares Issued				8,665,524
Series A-2 redeemable convertible preferred stock \| Previously Reported
Temporary Equity [Line Items]
Shares Outstanding (in shares)				2,362,204
Series B-1 redeemable convertible preferred stock
Temporary Equity [Line Items]
Shares Outstanding (in shares)				9,972,682
Conversion ratio				3.6684
Factorial Shares Issued				9,972,682
Series B-1 redeemable convertible preferred stock \| Previously Reported
Temporary Equity [Line Items]
Shares Outstanding (in shares)				2,718,539
Series C-1 redeemable convertible preferred stock
Temporary Equity [Line Items]
Shares Outstanding (in shares)				13,098,851
Conversion ratio				3.6684
Factorial Shares Issued				13,098,851
Series C-1 redeemable convertible preferred stock \| Previously Reported
Temporary Equity [Line Items]
Shares Outstanding (in shares)				3,570,724
Series C-2 redeemable convertible preferred stock
Temporary Equity [Line Items]
Shares Outstanding (in shares)				9,221,245
Conversion ratio				3.6684
Factorial Shares Issued				9,221,245
Series C-2 redeemable convertible preferred stock \| Previously Reported
Temporary Equity [Line Items]
Shares Outstanding (in shares)				2,513,698
Series D redeemable convertible preferred stock
Temporary Equity [Line Items]
Shares Outstanding (in shares)				21,827,755
Conversion ratio				3.6684
Factorial Shares Issued				21,827,755
Series D redeemable convertible preferred stock \| Previously Reported
Temporary Equity [Line Items]
Shares Outstanding (in shares)				5,950,204