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Real Estate Investments (Details) $ in Thousands, ft² in Millions | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) ft² item property | Dec. 31, 2023 USD ($) ft² property state site item | Dec. 31, 2022 USD ($) ft² site state property item | Dec. 31, 2021 USD ($) | Sep. 30, 2023 Office | Jun. 30, 2023 Office
Real Estate Properties [Line Items] |  |  |  |  |  |
Number of Real Estate Properties | property | 2,135 | 2,135 | 1,839 |  |  |
Recognized impairment charges |  | $ 7,175 | $ 1,015 | $ 1,919 |  |
Land Subject to Ground Leases | ft² | 44.2 | 44.2 | 38.1 |  |  |
Net Real Estate Investments | $ 6,743,320 | $ 6,743,320 | $ 5,741,068 |  |  |
Retail Net Lease Assets Purchased | item |  | 282 | 434 |  |  |
Payments to Acquire Property, Plant, and Equipment |  | $ 1,200,000 | $ 1,600,000 |  |  |
Mortgage notes assumed |  | $ 42,300 | $ 42,300 |  |  |
Number Of States Properties Located | state |  | 40 | 43 |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (in year) |  | 11 years 3 months 18 days | 10 years 2 months 12 days |  |  |
Payments to Acquire Land Held-for-use |  | $ 325,200 | $ 387,700 |  |  |
Payments for Capital Improvements |  | 726,100 | 1,000,000 |  |  |
Payments to Acquire Intangible Assets |  | 147,400 | 204,900 |  |  |
Mortgage debt discount |  | $ 2,548 | $ 2,500 |  |  |
Number Of Development And Developer Funding Platform Projects Commenced | site |  | 13 | 28 |  |  |
Number Of Development And Developer Funding Platform Projects Completed | site |  | 21 | 7 |  |  |
Number of Development and Developer Funding Platform Projects Construction | site |  | 16 | 24 |  |  |
Proceeds from Sale of Real Estate |  | $ 13,800 | $ 44,900 | 56,000 |  |
Gains/ (Losses) on Sales of Investment Real Estate |  | $ 1,800 | $ 5,300 | 14,900 |  |
Number of real estate properties held-for-sale | property | 1 | 1 | 0 |  |  |
Impaired Real Estate Estate Fair Value | $ 6,300 | $ 6,300 | $ 1,800 | $ 1,000 |  |
Building |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Number Of Buildings | Office |  |  |  |  |  | 2
Number Of Buildings, Disposed | Office |  |  |  |  | 1 |
Number Of Bona Fide Offers For Property Held For Sale | item | 2 |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of |  | $ 2,700 |  |  |  |
Building | Scenario, Plan [Member] |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |
Proceeds from Sale, Property, Held-for-Sale | $ 3,700 |  |  |  |  |

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