Balance Sheet Components - Operating Lease Right-of-Use Assets, Net (Details) - USD ($) $ in Thousands |
Jun. 30, 2025 |
Mar. 31, 2025 |
|---|---|---|
| Regulated Operations [Abstract] | ||
| Operating lease ROU assets | $ 2,408 | $ 2,408 |
| Less: accumulated amortization | (1,956) | (1,875) |
| Operating lease ROU assets, net | $ 452 | $ 533 |