Summary of Significant Accounting Policies - Concentrations of Risk (Details) - Revenue Benchmark - Product Concentration Risk	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Evergreen Fund 1
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues, percent	18.00%	14.00%
Evergreen Fund 2
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues, percent		15.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.