v3.25.4
Investments and Fair Value Measurements- Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Mar. 31, 2025
Debt Securities, Available-for-sale [Line Items]          
Investments held and classified as restricted trading securities $ 153,180   $ 153,180    
Interest income from cash, cash equivalents, and investments 12,300 $ 12,000 38,300 $ 38,200  
Mutual funds          
Debt Securities, Available-for-sale [Line Items]          
Investments held and classified as restricted trading securities $ 1,891   $ 1,891   $ 714