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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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