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%

Rate of interest on investment.

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+ Details