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Individually Significant Dispositions - Results of Operations Attributable to Starwood Transaction (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
REVENUES |  |  |
Rental income | $ 2,470,689 | $ 2,422,233 | $ 2,736,578
Total revenues | 2,471,406 | 2,425,800 | 2,744,965
EXPENSES |  |  |
Property and maintenance | 405,281 | 406,823 | 479,160
Real estate taxes and insurance | 335,495 | 317,387 | 339,802
Property management | 85,493 | 82,015 | 86,206
General and administrative | 52,224 | 57,840 | 64,664
Depreciation | 743,749 | 705,649 | 765,895
Total expenses | 1,623,935 | 1,569,714 | 1,735,727
Operating income | 847,471 | 856,086 | 1,009,238
Interest and other income | 6,136 | 65,773 | 7,372
Other expenses | (5,186) | (10,368) | (2,942)
Interest: |  |  |
Expense incurred, net | (383,890) | (482,246) | (444,487)
Amortization of deferred financing costs | (8,526) | (12,633) | (10,801)
Income and other tax (expense) benefit | (478) | (1,613) | (917)
Net gain (loss) on sales of real estate properties | 157,057 | 4,044,055 | 335,134
Net Income (Loss) Attributable to Noncontrolling Interest | (22,604) | (171,511) | (34,241)
Net income attributable to controlling interests | $ 603,454 | 4,292,163 | 870,120
Starwood Portfolio [Member] | Disposal Group, Not Discontinued Operations [Member] |  |  |
REVENUES |  |  |
Rental income |  | 30,785 | 427,433
Total revenues |  | 30,785 | 427,433
EXPENSES |  |  |
Property and maintenance |  | 7,838 | 78,189
Real estate taxes and insurance |  | 2,912 | 48,403
Property management |  | 2 | 11
General and administrative |  | 23 | 38
Depreciation |  | 0 | 87,616
Total expenses |  | 10,775 | 214,257
Operating income |  | 20,010 | 213,176
Interest and other income |  | 21 | 1
Other expenses |  | 0 | (35)
Interest: |  |  |
Expense incurred, net |  | (380) | (680)
Amortization of deferred financing costs |  | (707) | (559)
Income and other tax (expense) benefit |  | (1) | (1)
Net gain (loss) on sales of real estate properties |  | 3,161,097 | 0
Income from operations attributable to controlling interests – Operating Partnership |  | 3,180,040 | 211,902
Net Income (Loss) Attributable to Noncontrolling Interest |  | (122,152) | (8,083)
Net income attributable to controlling interests |  | $ 3,057,888 | $ 203,819

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