Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Earnings Per Share [Table Text Block]

(In thousands, except share and per share amounts)	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2014		2013		2014		2013
Numerator:
Net income attributable to BOK Financial Corp. shareholders	$	75,632	$	75,738	$	228,117	$	243,633
Less: Earnings allocated to participating securities	898		799		2,479		2,623
Numerator for basic earnings per share – income available to common shareholders	74,734		74,939		225,638		241,010
Effect of reallocating undistributed earnings of participating securities	1		2		3		6
Numerator for diluted earnings per share – income available to common shareholders	$	74,735	$	74,941	$	225,641	$	241,016
Denominator:
Weighted average shares outstanding	69,275,121		68,770,950		69,113,914		68,687,609
Less:  Participating securities included in weighted average shares outstanding	819,255		721,771		749,365		734,356
Denominator for basic earnings per common share	68,455,866		68,049,179		68,364,549		67,953,253
Dilutive effect of employee stock compensation plans1	153,899		223,682		156,042		222,662
Denominator for diluted earnings per common share	68,609,765		68,272,861		68,520,591		68,175,915
Basic earnings per share	$	1.09	$	1.10	$	3.30	$	3.55
Diluted earnings per share	$	1.09	$	1.10	$	3.29	$	3.54
1  Excludes employee stock options with exercise prices greater than current market price.	—		—		—		—