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Reportable Segments - Reconciliation of NOI from Rental Real Estate Specific to Continuing Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Rental income | $ 695,099 | $ 623,206 | $ 2,035,477 | $ 1,818,867
Property and maintenance expense | (124,048) | (116,461) | (365,277) | (341,261)
Real estate taxes and insurance expense | (100,361) | (96,909) | (302,899) | (297,780)
Operating income | 414,011 | 521,554 | 873,683 | 1,033,958
Same Store, Non-same Store and Other |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Rental income | 695,099 | 623,206 | 2,035,477 | 1,818,867
Property and maintenance expense | (124,048) | (116,461) | (365,277) | (341,261)
Real estate taxes and insurance expense | (100,361) | (96,909) | (302,899) | (297,780)
Total operating expenses | (224,409) | (213,370) | (668,176) | (639,041)
Operating income | $ 470,690 | $ 409,836 | $ 1,367,301 | $ 1,179,826

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