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Schedule III-Real Estate and Accumulated Depreciation - Property And Accumulated Depreciation Roll forward (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Changes in total real estate assets      
Balances, beginning of year $ 8,847,550 $ 9,256,712 $ 8,993,049
Additions 156,445 100,616 419,369
Dispositions and retirements (83,415) (509,778) (155,706)
Balances, end of year 8,920,580 8,847,550 9,256,712
Aggregate gross cost of the property for federal income tax purposes 8,952,349    
Changes in accumulated depreciation      
Balances, beginning of year 2,563,344 2,562,133 2,349,536
Additions 271,494 282,158 287,925
Dispositions and retirements (42,048) (280,947) (75,328)
Balances, end of year $ 2,792,790 $ 2,563,344 $ 2,562,133