NOTES PAYABLE - Earliest Interest Reset Date of Borrowing Outstanding (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
2026	$ 10,099,421
2027	7,398,732
2028	4,118,332
2029	3,379,589
2030	4,260,950
Thereafter	6,419,155
Total principal net of discounts	$ 35,676,179
Short-term debt, weighted average rate	3.55%	3.34%
Weighted average rate	3.75%
Due within one year
Debt Instrument [Line Items]
Short-term debt, weighted average rate	3.66%
Year one
Debt Instrument [Line Items]
Weighted average rate	3.65%
Year two
Debt Instrument [Line Items]
Weighted average rate	3.95%
Year three
Debt Instrument [Line Items]
Weighted average rate	4.06%
Year four
Debt Instrument [Line Items]
Weighted average rate	3.69%
Thereafter
Debt Instrument [Line Items]
Weighted average rate	3.73%