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Unsecured senior notes payable (Details) - USD ($) $ in Thousands | 1 Months Ended |
--- | --- | ---
Feb. 28, 2023 | Dec. 31, 2023
Debt Instrument [Line Items] |  |
Outstanding Balance |  | $ 11,395,293
Total issuance of unsecured senior notes in Feb 2023 |  |
Debt Instrument [Line Items] |  |
Total issuance of unsecured senior notes | $ 1,000,000 |
Weighted Average Effective Interest Rate | 4.95% |
Weighted average maturity years | 21 years 2 months 12 days |
4.75% Unsecured Senior Notes Payable |  |
Debt Instrument [Line Items] |  |
Outstanding Balance | $ 500,000 | $ 500,000
Stated interest rate (as a percent) | 4.75% | 4.75%
5.15% Unsecured Senior Notes Payable |  |
Debt Instrument [Line Items] |  |
Outstanding Balance | $ 500,000 | $ 500,000
Stated interest rate (as a percent) | 5.15% | 5.15%

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