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Real Estate Facilities (Tables) | 12 Months Ended
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Dec. 31, 2022
Real Estate [Abstract] |
Schedule of Real Estate Activities | Activity in real estate facilities during 2022, 2021, and 2020 is as follows:
| For the Years Ended December 31,
| 2022 |  | 2021 |  | 2020
| (Amounts in thousands)
Operating facilities, at cost: |  |  |  |  |
Beginning balance | $ | 22,807,833 |  |  | $ | 17,372,627 |  |  | $ | 16,289,146 |
Capital expenditures to maintain real estate facilities | 452,316 |  |  | 284,200 |  |  | 163,834 |
Acquisitions | 733,442 |  |  | 4,940,413 |  |  | 781,219 |
Dispositions | (1,704) |  |  | (7,408) |  |  | (303) |
Developed or expanded facilities opened for operation | 227,239 |  |  | 218,001 |  |  | 138,731 |
Ending balance | 24,219,126 |  |  | 22,807,833 |  |  | 17,372,627 |
Accumulated depreciation: |  |  |  |  |
Beginning balance | (7,773,308) |  |  | (7,152,135) |  |  | (6,623,475) |
Depreciation expense | (781,931) |  |  | (625,968) |  |  | (528,660) |
Dispositions | 1,084 |  |  | 4,795 |  |  | — |
Ending balance | (8,554,155) |  |  | (7,773,308) |  |  | (7,152,135) |
Construction in process: |  |  |  |  |
Beginning balance | 272,471 |  |  | 188,079 |  |  | 141,934 |
Costs incurred to develop and expand real estate facilities | 336,948 |  |  | 302,393 |  |  | 188,102 |
Write-off of cancelled projects and transfer to other assets | (9,188) |  |  | — |  |  | (3,226) |
Developed or expanded facilities opened for operation | (227,239) |  |  | (218,001) |  |  | (138,731) |
Ending balance | 372,992 |  |  | 272,471 |  |  | 188,079 |
Total real estate facilities at December 31, | $ | 16,037,963 |  |  | $ | 15,306,996 |  |  | $ | 10,408,571 |

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