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v3.25.3

Unsecured senior notes payable, LOC, and commercial paper (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 28, 2025 | Sep. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | Jun. 30, 2025 | Apr. 30, 2025 | Feb. 28, 2025
Debt Instrument |  |  |  |  |  |  |  |  |  |
Principal |  | $ 13,675,000 |  |  | $ 13,675,000 |  |  |  |  |
Loss on early extinguishment of debt |  | (107) |  | $ 0 | (107) | $ 0 |  |  |  |
Debt Balance at 100% |  | $ 13,593,541 |  |  | 13,593,541 |  |  |  |  |
Repayments of secured debt |  |  |  |  | $ 154,212 | $ 32 |  |  |  |
Effective rate (as a percent) |  | 3.97% |  |  | 3.97% |  |  |  |  |
Commercial Paper |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Principal |  | $ 1,500,000 |  |  | $ 1,500,000 |  |  |  |  |
Commercial paper, maximum issuance |  | 2,500,000 |  |  | $ 2,500,000 |  |  |  |  |
Weighted-average yield to maturity, commercial paper |  |  |  |  | 4.64% |  |  |  |  |
Weighted-average remaining maturity term, commercial paper |  |  |  |  | 17 days |  |  |  |  |
Commercial Paper | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Debt Instrument, Term |  |  |  |  | 30 days |  |  |  |  |
Commercial Paper | Maximum |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Debt Instrument, Term |  |  |  |  | 397 days |  |  |  |  |
5.25% Unsecured Senior Notes Payable |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Principal |  | $ 400,000 |  |  | $ 400,000 |  |  |  |  | $ 550,000
Stated interest rate (as a percent) |  | 5.25% |  |  | 5.25% |  |  |  |  | 5.50%
Debt Balance at 100% |  | $ 396,147 |  |  | $ 396,147 |  |  |  |  |
Effective rate (as a percent) |  | 5.38% |  |  | 5.38% |  |  |  |  |
3.45% Unsecured Senior Notes Payable |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Principal |  |  |  |  |  |  |  |  | $ 600,000 |
Stated interest rate (as a percent) |  |  |  |  |  |  |  |  | 3.45% |
Loss on early extinguishment of debt | $ 0 |  |  |  |  |  |  |  |  |
Unsecured senior line of credit |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 5,000,000 |  |  | $ 5,000,000 |  |  |  |  |
Applicable margin (as a percent) |  |  |  |  | 0.855% |  | 0.875% |  |  |
Annual facility fee (as a percent) |  |  |  |  | 0.145% |  | 0.15% |  |  |
Interest rate adjustment amount, maximum |  | 0.04% |  |  | 0.04% |  |  |  |  |
Facility fee rate adjustment amount, maximum |  | 0.01% |  |  | 0.01% |  |  |  |  |
Interest rate adjustment amount, decrease |  |  | 0.02% |  |  |  |  |  |  |
Facility fee rate adjustment amount, decrease |  |  | 0.005% |  |  |  |  |  |  |
Debt Balance at 100% |  | $ 0 |  |  | $ 0 |  |  |  |  |
Unsecured senior line of credit | Commercial Paper |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Principal |  | 1,550,000 |  |  | 1,550,000 |  |  |  |  |
Debt Balance at 100% |  | $ 1,548,542 |  |  | $ 1,548,542 |  |  |  |  |
Effective rate (as a percent) |  | 4.52% |  |  | 4.52% |  |  |  |  |
Secured notes payable maturing on 11/19/26 | 99 Coolidge Avenue |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Loss on early extinguishment of debt |  | $ 107 |  |  |  |  |  |  |  |
Repayments of secured debt |  | $ 154,600 |  |  |  |  |  |  |  |
Effective rate (as a percent) |  |  |  |  |  |  |  | 7.18% |  |

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