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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Statement of Comprehensive Income [Abstract] |  |  |  |  |  |
Net income | $ 117,545 | $ 85,790 | $ 338,047 |  | $ 263,320 |
Other comprehensive income (loss) before income taxes: |  |  |  |  |  |
Net change in unrealized gain (loss) | (35,941) | 512 | (166,464) |  | 33,881 |
Reclassification adjustments included in earnings: |  |  |  |  |  |
Loss (gain) on available for sale securities, net | (250) | (2,487) | 802 |  | (4,916) |
Other comprehensive income (loss) before income taxes | (36,191) | (1,975) | (165,662) |  | 28,965 |
Federal and state income taxes | (9,134) | (768) | (42,183) | [1] | 11,241 | [2]
Other comprehensive income (loss), net of income taxes | (27,057) | (1,207) | (123,479) |  | 17,724 |
Comprehensive income | 90,488 | 84,583 | 214,568 |  | 281,044 |
Comprehensive income attributable to non-controlling interests | 289 | 141 | 857 |  | 1,168 |
Comprehensive income attributable to BOK Financial Corp. shareholders | $ 90,199 | $ 84,442 | $ 213,711 |  | $ 279,876 |
[1] | Calculated using a 25 percent blended federal and state statutory tax rate.
[2] | Calculated using a 39 percent blended federal and state statutory tax rate.

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