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Dispositions of Real Estate and Discontinued Operations - Schedule of Results of Discontinued Operations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Other income (expense): |  |  |
Income tax benefit (expense) | $ 300 | $ 1,000 | $ 10,000
Held-for-sale |  |  |
Revenues: |  |  |
Rental and related revenues | 0 | 7,535 | 97,877
Resident fees and services | 7,489 | 114,936 | 621,253
Total revenues | 7,489 | 122,471 | 719,130
Costs and expenses: |  |  |
Interest expense | 0 | 3,900 | 10,538
Depreciation and amortization | 0 | 0 | 143,194
Operating | 6,452 | 122,571 | 550,226
Transaction costs | 0 | 76 | 20,426
Impairments and loan loss reserves (recoveries), net | 0 | 32,736 | 201,344
Total costs and expenses | 6,452 | 159,283 | 925,728
Other income (expense): |  |  |
Gain (loss) on sales of real estate, net | 1,344 | 414,721 | 460,144
Other income (expense), net | 169 | 4,189 | 5,475
Total other income (expense), net | 1,513 | 418,910 | 465,619
Income (loss) before income taxes and equity income (loss) from unconsolidated joint ventures | 2,550 | 382,098 | 259,021
Income tax benefit (expense) | 270 | 969 | 9,913
Equity income (loss) from unconsolidated joint ventures | 64 | 5,135 | (1,188)
Income (loss) from discontinued operations | $ 2,884 | $ 388,202 | $ 267,746

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