NOTES PAYABLE - Callable Medium-Term Notes (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
2026	$ 4,972,023
2027	4,064,733
2028	2,568,251
Total principal net of discounts	$ 26,814,918	$ 26,586,959
Weighted-Average Rate	3.21%
Year one
Debt Instrument [Line Items]
Weighted-Average Rate	3.03%
Year two
Debt Instrument [Line Items]
Weighted-Average Rate	2.15%
Year three
Debt Instrument [Line Items]
Weighted-Average Rate	3.29%
Year four
Debt Instrument [Line Items]
Weighted-Average Rate	4.24%
Call Option
Debt Instrument [Line Items]
2025	$ 1,090,521
2026	1,378,822
2027	884,005
2028	567,953
Thereafter	1,775,587
Total principal net of discounts	$ 5,696,888
Weighted-Average Rate	2.71%
Call Option \| Year one
Debt Instrument [Line Items]
Weighted-Average Rate	3.12%
Call Option \| Year two
Debt Instrument [Line Items]
Weighted-Average Rate	2.00%
Call Option \| Year three
Debt Instrument [Line Items]
Weighted-Average Rate	2.80%
Call Option \| Year four
Debt Instrument [Line Items]
Weighted-Average Rate	4.22%
Call Option \| Thereafter
Debt Instrument [Line Items]
Weighted-Average Rate	2.48%

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