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Real Estate Facilities (Tables)
9 Months Ended
Sep. 30, 2021
Real Estate [Abstract]  
Schedule Of Real Estate Activities
Activity in real estate facilities during the nine months ended September 30, 2021 is as follows:
 Nine Months Ended
September 30, 2021
 (Amounts in thousands)
Operating facilities, at cost:
Beginning balance $17,372,627 
Capital expenditures to maintain real estate facilities177,641 
Acquisitions 2,741,952 
Dispositions(6,783)
Developed or expanded facilities opened for operation171,086 
Ending balance 20,456,523 
Accumulated depreciation:
Beginning balance (7,152,135)
Depreciation expense (450,757)
Dispositions4,396 
Ending balance (7,598,496)
Construction in process:
Beginning balance 188,079 
Costs incurred to develop and expand real estate facilities211,386 
Developed or expanded facilities opened for operation(171,086)
Ending balance 228,379 
Total real estate facilities at September 30, 2021
$13,086,406