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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Consolidated Statements of Comprehensive Income |  |  |
Net income | $ 21,564 | $ 24,249 | $ 24,481
Other comprehensive gain |  |  |
Net unrealized gain on derivative instruments | 2,170 | 1,565 | 2,879
Reclassification of net realized gain on derivative instrument included in net income | (398) |  |
Reclassification of gain on available-for-sale securities included in net income |  |  | (27)
Reclassification of One Liberty Properties, Inc.'s share of joint venture net realized gain on derivative instrument included in net income | (110) |  |
One Liberty Properties, Inc.'s share of joint ventures' net unrealized gain on derivative instruments | 76 | 76 | 64
Other comprehensive gain | 1,738 | 1,641 | 2,916
Comprehensive income | 23,302 | 25,890 | 27,397
Net income attributable to non-controlling interests | (899) | (102) | (59)
Adjustment for derivative instruments attributable to non-controlling interests | (3) | (7) | (5)
Comprehensive income attributable to One Liberty Properties, Inc. | $ 22,400 | $ 25,781 | $ 27,333

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