Earnings per Share Attributable to Common Stockholders - Anti-Dilutive Excluded From EPS (Details) - shares	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025
Liability-classified common stock warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of EPS (in shares)	0	60,000
Series G Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of EPS (in shares)	0	251,750
Dual-trigger RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of EPS (in shares)	15,676,155	31,308,443
Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of EPS (in shares)	23,755,365	0
Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of EPS (in shares)	1,641,713	0