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Note 3 - Real Estate - Components of Rental Property (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Land |  | $ 4,124,542 | $ 3,984,447
Buildings and improvements |  | 14,332,700 | 14,067,824
Real estate |  | 18,457,242 | 18,052,271
Accumulated depreciation and amortization (1) | [1] | (3,417,414) | (3,010,699)
Total real estate, net |  | 15,039,828 | 15,041,572
Land [Member] |  |  |
Land |  | 4,102,542 | 3,962,447
Undeveloped Land [Member] |  |  |
Land |  | 16,328 | 16,328
Land Held for Development [Member] |  |  |
Land |  | 5,672 | 5,672
Building [Member] |  |  |
Buildings and improvements |  | 10,158,588 | 10,042,225
Building Improvements [Member] |  |  |
Buildings and improvements |  | 2,080,437 | 1,999,319
Tenant Improvements [Member] |  |  |
Buildings and improvements |  | 1,046,969 | 987,216
Fixtures and Leasehold Improvements [Member] |  |  |
Buildings and improvements |  | 36,627 | 31,421
Above Market Leases [Member] |  |  |
Buildings and improvements |  | 170,211 | 166,840
In-place Leases [Member] |  |  |
Buildings and improvements |  | $ 839,868 | $ 840,803
[1] | At December 31, 2022 and 2021, the Company had accumulated amortization relating to in-place leases and above-market leases aggregating $671,794 and $569,648, respectively.

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