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Investments in Real Estate - Acquisitions Footnotes (Details) $ in Thousands, £ in Millions | 12 Months Ended
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Dec. 31, 2021 USD ($) property | Dec. 31, 2021 GBP (£) property | Dec. 31, 2020 USD ($) | Dec. 31, 2020 GBP (£)
Real Estate [Line Items] |  |  |  |
Settlement credits as reimbursement for acquired rent free period | $ 8,500 |  |  |
Number of properties related to settlement credits | property | 41 | 41 |  |
Investment | $ 6,410,760 |  | $ 2,307,281 |
Rental revenue generated from acquisitions from investment grade clients (percent) | 40.00% | 40.00% | 61.00% | 61.00%
Properties under development |  |  |  |
Real Estate [Line Items] |  |  |  |
Number of properties, under development | property | 68 | 68 |  |
Investment | $ 243,278 |  |  |
Retail |  |  |  |
Real Estate [Line Items] |  |  |  |
Property type acquired based on rental revenue (percent) | 83.60% | 83.60% | 86.60% | 86.60%
Industrial |  |  |  |
Real Estate [Line Items] |  |  |  |
Property type acquired based on rental revenue (percent) | 16.40% | 16.40% | 13.40% | 13.40%
U.K. |  |  |  |
Real Estate [Line Items] |  |  |  |
Investment | £ |  |  |  | £ 707.8
U.K. | Properties under development |  |  |  |
Real Estate [Line Items] |  |  |  |
Investment | £ |  | £ 7.0 |  |

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- Definition Number Of Properties Acquired With Settlement Credit + References No definition available. + Details
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