Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Earnings Per Share [Table Text Block]

The following table presents the computation of basic and diluted earnings per share (dollars in thousands, except per share data):

	Year Ended
	2015		2014		2013
Numerator:
Net income attributable to BOK Financial Corp. shareholders	$	288,565	$	292,435	$	316,609
Less: Earnings allocated to participating securities	3,383		3,239		3,388
Numerator for basic earnings per share – income available to common shareholders	285,182		289,196		313,221
Effect of reallocating undistributed earnings of participating securities	3		4		7
Numerator for diluted earnings per share – income available to common shareholders	$	285,185	$	289,200	$	313,228
Denominator:
Weighted average shares outstanding	68,397,215		69,159,902		68,719,069
Less:  Participating securities included in weighted average shares outstanding	802,526		765,708		730,172
Denominator for basic earnings per common share	67,594,689		68,394,194		67,988,897
Dilutive effect of employee stock compensation plans1	96,969		150,576		216,622
Denominator for diluted earnings per common share	67,691,658		68,544,770		68,205,519
Basic earnings per share	$	4.22	$	4.23	$	4.61
Diluted earnings per share	$	4.21	$	4.22	$	4.59
1  Excludes employee stock options with exercise prices greater than current market price.	—		—		—