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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME OF ERP OPERATING LIMITED PARTNERSHIP - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Comprehensive income: |  |  |
Net income | $ 685,192 | $ 628,381 | $ 4,480,104
Other comprehensive income (loss) – derivative instruments: |  |  |
Unrealized holding gains (losses) arising during the year | 5,174 | 6,439 | (3,915)
Losses reclassified into earnings from other comprehensive income | 18,452 | 18,858 | 41,758
Other comprehensive income (loss) – foreign currency: |  |  |
Currency translation adjustments arising during the year | 0 | 0 | 264
Other comprehensive income (loss) | 23,626 | 25,297 | 38,107
Comprehensive income | 708,818 | 653,678 | 4,518,211
Comprehensive (income) attributable to Noncontrolling Interests – Partially Owned Properties | (28,526) | (25,845) | (189,411)
Comprehensive income attributable to controlling interests | 680,292 | 627,833 | 4,328,800
ERPOP [Member] |  |  |
Comprehensive income: |  |  |
Net income | 685,192 | 628,381 | 4,480,104
Other comprehensive income (loss) – derivative instruments: |  |  |
Unrealized holding gains (losses) arising during the year | 5,174 | 6,439 | (3,915)
Losses reclassified into earnings from other comprehensive income | 18,452 | 18,858 | 41,758
Other comprehensive income (loss) – foreign currency: |  |  |
Currency translation adjustments arising during the year |  |  | 264
Other comprehensive income (loss) | 23,626 | 25,297 | 38,107
Comprehensive income | 708,818 | 653,678 | 4,518,211
Comprehensive (income) attributable to Noncontrolling Interests – Partially Owned Properties | (2,718) | (2,323) | (16,430)
Comprehensive income attributable to controlling interests | $ 706,100 | $ 651,355 | $ 4,501,781

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