Notes Payable - Earliest Interest Reset Date of Borrowing Outstanding (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
2023	$ 5,468,108
2024	5,454,586
2025	4,222,333
2026	3,319,847
2027	2,573,406
Thereafter	4,564,207
Total principal net of discounts	$ 25,602,487
Short-term debt, weighted average rate (as a percent)	3.30%	2.31%
Weighted - average rate (as a percent)	2.90%
Total weighted - average rate (as a percent)	3.03%
Due within one year
Debt Instrument [Line Items]
Short-term debt, weighted average rate (as a percent)	4.57%
Year one
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	2.62%
Year two
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	2.60%
Year three
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	1.81%
Year four
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	3.14%
Thereafter
Debt Instrument [Line Items]
Weighted - average rate (as a percent)	2.87%