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Investments in Real Estate Entities (Details 3) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Combined summary of the operating results of the accounted for using the equity method |  |  |
Revenues | $ 2,301,261 | $ 2,324,626 | $ 2,284,535
Operating and other expenses | (1,826,659) | (1,696,904) | (1,700,067)
Gain on sale of communities | 340,444 | 166,105 | 374,976
Interest expense, net | (214,151) | (203,585) | (220,974)
Depreciation expense | (707,331) | (661,578) | (631,196)
Net income | 827,706 | 786,103 | 974,175
Company's share of net income | 8,538 | 10,779 | 17,519
Amortization of excess investment and other | (2,116) | (2,127) | (2,249)
Equity in income from unconsolidated real estate investments | 6,422 | 8,652 | 15,270
Equity Method Investment, Nonconsolidated Investee or Group of Investees |  |  |
Combined summary of the operating results of the accounted for using the equity method |  |  |
Revenues | 118,474 | 144,431 | 92,533
Operating and other expenses | (49,509) | (55,732) | (35,840)
Gain on sale of communities | 18,450 | 21,748 | 54,202
Interest expense, net | (31,982) | (33,896) | (22,500)
Depreciation expense | (34,606) | (58,387) | (26,706)
Net income | $ 20,827 | $ 18,164 | $ 61,689

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