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CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Revenues | $ 74,660 | $ 63,773 | $ 144,054 | $ 135,193
Operating expenses |  |  |  |
Depreciation and amortization | 31,345 | 33,793 | 62,735 | 67,170
General and administrative | 10,671 | 8,720 | 19,667 | 17,790
Real estate taxes | 12,504 | 10,697 | 23,966 | 21,144
Property operating | 12,890 | 16,806 | 26,367 | 30,126
Impairment charges | 0 | 0 | 0 | 51,549
Total operating expenses | 67,410 | 70,016 | 132,735 | 187,779
Gain on disposition of properties | 5,909 | 485 | 10,521 | 485
Operating income (loss) | 13,159 | (5,758) | 21,840 | (52,101)
Equity in earnings (losses) of unconsolidated affiliates | 1,106 | (786) | 3,369 | 469
Interest and other income | 2,054 | 2,095 | 3,754 | 5,024
Realized and unrealized holding gains on investments and other | 2,711 | 87,811 | 9,218 | 87,281
Interest expense | (17,605) | (18,319) | (34,746) | (36,621)
Income from continuing operations before income taxes | 1,425 | 65,043 | 3,435 | 4,052
Income tax (provision) benefit | (194) | (137) | (344) | 815
Net (loss) income | 1,231 | 64,906 | 3,091 | 4,867
Net loss (income) attributable to noncontrolling interests | 2,687 | (45,496) | 5,989 | 6,129
Net (loss) income attributable to Acadia | $ 3,918 | $ 19,410 | $ 9,080 | $ 10,996
Basic and diluted earnings per share | $ 0.04 | $ 0.22 | $ 0.10 | $ 0.12
Rental Income |  |  |  |
Revenues | $ 73,666 | $ 62,639 | $ 140,871 | $ 133,096
Other |  |  |  |
Revenues | $ 994 | $ 1,134 | $ 3,183 | $ 2,097

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