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v3.21.1

Segment Reporting (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Reconciliation of NOI to net income |  |
Net income | $ 142,234 | $ 168,006
Indirect operating expenses, net of corporate income | 24,470 | 22,799
Other Nonoperating Income (Expense) | (170) | 3,334
Interest Expense | 52,613 | 55,914
Gain (Loss) on Extinguishment of Debt | 122 | (9,170)
General and administrative expense | 17,352 | 17,320
Equity in loss (income) of unconsolidated real estate entities | 467 | (1,175)
Depreciation expense | 183,297 | 177,911
Income tax (benefit) expense | (755) | 91
Gain on sale of communities | (53,727) | (24,436)
Gain on other real estate transactions, net | (427) | (43)
Net for-sale condominium activity | 913 | (3,460)
Net operating income from real estate assets sold or held for sale | (1,490) | (9,918)
Net operating income | $ 364,655 | $ 415,513
Non-Apartment Components Of Mixed-Use Communities And Other Nonresidential Operations | Operating Income (Loss) | Product Concentration Risk |  |
Segment Reporting Information [Line Items] |  |
Concentration Risk, Percentage | 1.50% | 1.60%

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