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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Statement of Comprehensive Income [Abstract] |  |  |
Net income | $ 20,004 | $ 13,478 | $ 14,990
Securities available for sale: |  |  |
Unrealized holding gains (losses) arising during the period | (692) | 175 | 42
Reclassification of net (gains) losses included in net income (net of tax benefit (expense) $0, $5, and ($5) in 2018, 2017 and 2016, respectively) | 0 | (6) | 6
Derivatives and hedging activities: |  |  |
Unrealized holding gains arising during the period | 423 | 184 | 0
Income tax (expense) benefit related to unrealized gains and losses | 210 | (141) | (33)
Other comprehensive income (loss), net of tax | (59) | 212 | 15
Comprehensive income | 19,945 | 13,690 | 15,005
Less: comprehensive income attributable to the noncontrolling interest | 0 | 327 | 579
Comprehensive income attributable to Northrim BanCorp, Inc. | $ 19,945 | $ 13,363 | $ 14,426

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