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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Statement of Comprehensive Income [Abstract] |  |  |  |  |  |
Net income | $ 115,155 | $ 88,866 | $ 220,502 |  | $ 177,530 |
Other comprehensive income (loss) before income taxes: |  |  |  |  |  |
Net change in unrealized gain (loss) | (33,117) | 21,958 | (130,523) |  | 33,369 |
Reclassification adjustments included in earnings: |  |  |  |  |  |
Loss (gain) on available for sale securities, net | 762 | (380) | 1,052 |  | (2,429) |
Other comprehensive income (loss) before income taxes | (32,355) | 21,578 | (129,471) |  | 30,940 |
Federal and state income taxes | (8,241) | 8,393 | (33,049) | [1] | 12,009 | [2]
Other comprehensive income (loss), net of income taxes | (24,114) | 13,185 | (96,422) |  | 18,931 |
Comprehensive income | 91,041 | 102,051 | 124,080 |  | 196,461 |
Comprehensive income attributable to non-controlling interests | 783 | 719 | 568 |  | 1,027 |
Comprehensive income attributable to BOK Financial Corp. shareholders | $ 90,258 | $ 101,332 | $ 123,512 |  | $ 195,434 |
[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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