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Schedule III Real Estate and Accumulated Depreciation - Summary of Activity (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) property | Dec. 31, 2021 USD ($) property | Dec. 31, 2020 USD ($) property
Reconciliation of total real estate carrying value |  |  |
Balance at Beginning of Period | $ 35,952,659 | $ 21,048,334 | $ 19,637,627
Acquisitions and development | 8,021,159 | 5,851,945 | 2,163,707
Merger Additions (1) | 0 | 11,722,801 | 0
Less amounts allocated to acquired lease intangible assets and liabilities on our Consolidated Balance Sheets | (625,730) | (826,064) | (382,850)
Improvements, Etc. | 99,484 | 56,567 | 6,194
Other (Leasing Costs and Building Adjustments) | 97,482 | 64,807 | 22,491
Total Additions | 7,592,395 | 16,870,056 | 1,809,542
Cost of Real Estate sold | 402,386 | 1,206,837 | 253,506
Cost of Equipment sold | 0 | 8 | 25
Orion Divestiture | 0 | 634,254 | 0
Releasing costs | 53 | 40 | 259
Other | 39,463 | 91,176 | 195,003
Total Deductions | 441,902 | 1,932,315 | 448,793
Foreign Currency Translation | (413,453) | (33,416) | 49,958
Balance at Close of Period | 42,689,699 | 35,952,659 | 21,048,334
Reconciliation of accumulated depreciation |  |  |
Balance at Beginning of Period | 3,963,753 | 3,563,178 | 3,140,855
Additions During Period - Provision for Depreciation | 1,028,182 | 628,246 | 531,909
Accumulated depreciation of real estate and equipment sold or disposed of | 73,913 | 226,897 | 110,915
Foreign Currency Translation | (9,364) | (774) | 1,329
Balance at Close of Period | $ 4,908,658 | 3,963,753 | 3,563,178
Other Disclosure Notes |  |  |
Number of properties | property | 12,238 |  |
Unamortized net debt premiums on mortgages payable excluded from encumbrances | $ 11,600 |  |
Number of properties secured by mortgages | property | 136 |  |
Aggregate cost for federal income tax purposes | $ 47,600,000 |  |
Reclassification of right of use assets under finance leases | 3,300 | 20,100 |
Mortgage assumption | 43,000 | 43,700 |
Limited partnership units | 51,200 |  |
Building razed | 13,600 | 43,000 |
Provisions for impairment | $ 25,860 | $ 38,967 | $ 147,232
Number of properties on which provisions for impairment were recorded | property | 94 | 103 | 99
U.S. | Single-client properties |  |  |
Other Disclosure Notes |  |  |
Number of properties | property | 11,813 |  |
U.S. | Multi-client properties |  |  |
Other Disclosure Notes |  |  |
Number of properties | property | 147 |  |
U.K. | Single-client properties |  |  |
Other Disclosure Notes |  |  |
Number of properties | property | 141 |  |
U.K. | Multi-client properties |  |  |
Other Disclosure Notes |  |  |
Number of properties | property | 71 |  |
Spain | Single-client properties |  |  |
Other Disclosure Notes |  |  |
Number of properties | property | 51 |  |
Spain | Multi-client properties |  |  |
Other Disclosure Notes |  |  |
Number of properties | property | 1 |  |
Italy | Single-client properties |  |  |
Other Disclosure Notes |  |  |
Number of properties | property | 7 |  |
Crest Net Lease, Inc |  |  |
Other Disclosure Notes |  |  |
Aggregate cost for federal income tax purposes | $ 23,000 |  |
Crest Net Lease, Inc | U.S. | Single-client properties |  |  |
Other Disclosure Notes |  |  |
Number of properties | property | 6 |  |

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