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Real Estate - Schedule of Real Estate (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Jan. 01, 2023 | Dec. 31, 2022
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Acquisition And Disposition Of Properties And Discontinued Operations [Abstract] |  |  |
Land | $ 880,882 |  | $ 817,802
Buildings and improvements | 3,072,499 |  | 2,987,594
Tenant improvements | 250,452 |  | 216,899
Construction in progress | 19,894 |  | 21,027
Right-of-use assets - finance leases | $ 58,637 |  | $ 25,086
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Net investments in real estate |  | Net investments in real estate
Total | $ 4,282,364 |  | $ 4,068,408
Less: Accumulated depreciation and amortization | (799,689) |  | (725,143)
Operating real estate, net | 3,482,675 |  | 3,343,265
Real estate under development | 92,729 | $ 184,602 | 184,602
Net investments in real estate | $ 3,575,404 |  | $ 3,527,867

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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 + Details
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