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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Comprehensive income: |  |  |  |
Net income | $ 223,846 | $ 144,196 | $ 562,804 | $ 498,297
Other comprehensive income (loss) – derivative instruments: |  |  |  |
Unrealized holding gains (losses) arising during the period | 12,026 | 1,709 | 24,021 | 5,216
Losses reclassified into earnings from other comprehensive income | 4,595 | 4,768 | 13,902 | 14,019
Other comprehensive income (loss) | 16,621 | 6,477 | 37,923 | 19,235
Comprehensive income | 240,467 | 150,673 | 600,727 | 517,532
Comprehensive (income) attributable to Noncontrolling Interests – Partially Owned Properties | (9,519) | (6,201) | (23,848) | (20,983)
Comprehensive income attributable to controlling interests | 230,948 | 144,472 | 576,879 | 496,549
ERPOP [Member] |  |  |  |
Comprehensive income: |  |  |  |
Net income | 223,846 | 144,196 | 562,804 | 498,297
Other comprehensive income (loss) – derivative instruments: |  |  |  |
Unrealized holding gains (losses) arising during the period | 12,026 | 1,709 | 24,021 | 5,216
Losses reclassified into earnings from other comprehensive income | 4,595 | 4,768 | 13,902 | 14,019
Other comprehensive income (loss) | 16,621 | 6,477 | 37,923 | 19,235
Comprehensive income | 240,467 | 150,673 | 600,727 | 517,532
Comprehensive (income) attributable to Noncontrolling Interests – Partially Owned Properties | (750) | (801) | (1,939) | (2,354)
Comprehensive income attributable to controlling interests | $ 239,717 | $ 149,872 | $ 598,788 | $ 515,178

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