Notes, Loans and Finance Leases Payable, net (Long-term Debt Borrowings) (Parenthetical) (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Mar. 31, 2025 |
|---|---|---|
| Debt instruments, interest rate, effective percentage: | ||
| Weighted average interest rate | 5.19% | |
| Debt instrument, maturities: | ||
| Debt Instrument Carrying Amount | $ 7,462,822 | $ 6,703,510 |
| Participating Mortgages [Member] | ||
| Debt instruments, interest rate, effective percentage: | ||
| Weighted average interest rate | 4.10% | 4.10% |
| Participating Mortgages [Member] | Minimum [Member] | ||
| Debt instruments, interest rate, effective percentage: | ||
| Investment Interest Rate | 2.72% | 2.72% |
| Participating Mortgages [Member] | Maximum [Member] | ||
| Debt instruments, interest rate, effective percentage: | ||
| Investment Interest Rate | 2.86% | 2.86% |
| Equipment Trust Certificate [Member] | ||
| Debt instruments, interest rate, effective percentage: | ||
| Weighted average interest rate | 4.36% |