NOTES PAYABLE - Callable Medium-Term Notes (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
2027	$ 6,235,077
2028	3,464,128
2029	2,953,903
Total principal net of discounts	$ 28,877,240	$ 27,520,173
Weighted-Average Rate	3.60%
Year one
Debt Instrument [Line Items]
Weighted-Average Rate	2.80%
Year two
Debt Instrument [Line Items]
Weighted-Average Rate	3.41%
Year three
Debt Instrument [Line Items]
Weighted-Average Rate	4.06%
Year four
Debt Instrument [Line Items]
Weighted-Average Rate	4.31%
Call Option
Debt Instrument [Line Items]
2026	$ 1,390,218
2027	769,600
2028	381,423
2029	268,631
Thereafter	1,792,514
Total principal net of discounts	$ 4,602,386
Weighted-Average Rate	2.35%
Call Option | Year one
Debt Instrument [Line Items]
Weighted-Average Rate	1.90%
Call Option | Year two
Debt Instrument [Line Items]
Weighted-Average Rate	2.55%
Call Option | Year three
Debt Instrument [Line Items]
Weighted-Average Rate	3.29%
Call Option | Year four
Debt Instrument [Line Items]
Weighted-Average Rate	3.85%
Call Option | Thereafter
Debt Instrument [Line Items]
Weighted-Average Rate	2.18%