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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Revenues: |  |  |
Total revenues | $ 1,117,164 | $ 1,074,729 | $ 1,058,022
Expenses: |  |  |
Property operating expenses | 451,581 | 413,492 | 399,790
Depreciation and amortization | 286,235 | 276,861 | 287,831
General and administrative | 85,885 | 103,694 | 46,559
Acquisition and certain other transaction related costs | 194 | 403 | 2,085
Impairment of assets | 66,346 | 5,082 | 18,674
Total expenses | 890,241 | 799,532 | 754,939
Gain on sale of properties | 261,916 | 46,055 | 4,061
Dividend income | 2,901 | 2,637 | 2,108
Unrealized losses on equity securities | (20,724) | 0 | 0
Interest and other income | 667 | 406 | 430
Interest expense | (179,287) | (165,019) | (167,574)
Loss on early extinguishment of debt | 22 | 7,627 | 526
Income from continuing operations before income tax expense and equity in earnings of an investee | 292,374 | 151,649 | 141,582
Income tax expense | (476) | (454) | (424)
Equity in earnings of an investee | 516 | 608 | 137
Net income (loss) | 292,414 | 151,803 | 141,295
Net income attributable to noncontrolling interest | (5,542) | (4,193) | 0
Net income attributable to common shareholders | 286,872 | 147,610 | 141,295
Other comprehensive income: |  |  |
Unrealized gain on investments in equity securities, net | 0 | 47,138 | 64,139
Amounts reclassified from cumulative other comprehensive income to net income | 0 | 5,082 | 2,795
Equity in unrealized (loss) gain of an investee | (68) | 462 | 152
Other comprehensive (loss) income | (68) | 52,682 | 67,086
Comprehensive income | 292,346 | 204,485 | 208,381
Comprehensive income attributable to noncontrolling interest | (5,542) | (4,193) | 0
Comprehensive income attributable to common shareholders | $ 286,804 | $ 200,292 | $ 208,381
Weighted average shares used in computing earnings per common share: |  |  |
Weighted average common shares outstanding (basic) (in shares) | 237,511 | 237,420 | 237,345
Weighted average common shares outstanding (diluted) (in shares) | 237,546 | 237,452 | 237,382
Per common share amounts (basic and diluted) |  |  |
Net income attributable to common shareholders (in dollars per share) | $ 1.21 | $ 0.62 | $ 0.60
Rental income |  |  |
Revenues: |  |  |
Total revenues | $ 700,641 | $ 681,022 | $ 666,200
Residents fees and services |  |  |
Revenues: |  |  |
Total revenues | $ 416,523 | $ 393,707 | $ 391,822

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