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Real Estate - Schedule of Real Estate (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Acquisition And Disposition Of Properties And Discontinued Operations [Abstract] |  |  |
Land | $ 739,641 | $ 752,721 |
Buildings and improvements | 2,892,051 | 2,802,253 |
Tenant improvements | 199,925 | 178,918 |
Construction in progress | 11,131 | 5,147 |
Right-of-use assets - finance leases | $ 25,086 | $ 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 | $ 3,867,834 | $ 3,764,125 |
Less: Accumulated depreciation and amortization | (648,461) | (573,364) |
Operating real estate, net | 3,219,373 | 3,190,761 |
Real estate under development | 203,773 | 247,201 | $ 253,396
Net investments in real estate | $ 3,423,146 | $ 3,437,962 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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