Contingencies and Guaranty - Schedule of Short-Term and Long-Term Contingent Liabilities (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Other Commitments [Line Items] | ||
| Current | $ 2,220 | $ 8,093 |
| Long Term | 6,000 | 15,336 |
| SDG&E | ||
| Other Commitments [Line Items] | ||
| Current | 1,000 | 1,000 |
| Long Term | 0 | 0 |
| LCRA Agreement | ||
| Other Commitments [Line Items] | ||
| Current | 1,220 | 1,093 |
| Long Term | 0 | 15,336 |
| LCRA Expansion Agreement | ||
| Other Commitments [Line Items] | ||
| Current | 0 | 0 |
| Long Term | 6,000 | 0 |
| Oncor | ||
| Other Commitments [Line Items] | ||
| Current | 0 | 6,000 |
| Long Term | $ 0 | $ 0 |