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Note 2 - Real Estate - Components of Rental Property (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Land |  | $ 4,177,797 | $ 4,124,542
Buildings and improvements |  | 14,759,997 | 14,332,700
Real estate |  | 18,937,794 | 18,457,242
Accumulated depreciation and amortization (1) | [1] | (3,842,869) | (3,417,414)
Total real estate, net |  | 15,094,925 | 15,039,828
Land [Member] |  |  |
Land |  | 4,166,475 | 4,102,542
Undeveloped Land [Member] |  |  |
Land |  | 5,458 | 16,328
Land Held for Development [Member] |  |  |
Land |  | 5,864 | 5,672
Building [Member] |  |  |
Buildings and improvements |  | 10,312,001 | 10,158,588
Building Improvements [Member] |  |  |
Buildings and improvements |  | 2,213,248 | 2,080,437
Tenant Improvements [Member] |  |  |
Buildings and improvements |  | 1,158,919 | 1,046,969
Fixtures and Leasehold Improvements [Member] |  |  |
Buildings and improvements |  | 41,055 | 36,627
Above Market Leases [Member] |  |  |
Buildings and improvements |  | 170,513 | 170,211
In-place Leases [Member] |  |  |
Buildings and improvements |  | $ 864,261 | $ 839,868
[1] | At December 31, 2023 and 2022, the Company had accumulated amortization relating to in-place leases and above-market leases aggregating $751,215 and $671,794, respectively.

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