Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2013

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,
	2013		2012		2013		2012
Numerator:
Net income attributable to BOK Financial Corp. shareholders	$	75,738	$	87,382	$	243,633	$	268,626
Less: Earnings allocated to participating securities	799		278		2,623		1,994
Numerator for basic earnings per share – income available to common shareholders	74,939		87,104		241,010		266,632
Effect of reallocating undistributed earnings of participating securities	2		1		6		6
Numerator for diluted earnings per share – income available to common shareholders	$	74,941	$	87,105	$	241,016	$	266,638
Denominator:
Weighted average shares outstanding	68,770,950		68,183,171		68,687,609		68,204,078
Less:  Participating securities included in weighted average shares outstanding	721,771		216,471		734,356		499,735
Denominator for basic earnings per common share	68,049,179		67,966,700		67,953,253		67,704,343
Dilutive effect of employee stock compensation plans1	223,682		368,289		222,662		277,215
Denominator for diluted earnings per common share	68,272,861		68,334,989		68,175,915		67,981,558
Basic earnings per share	$	1.10	$	1.28	$	3.55	$	3.94
Diluted earnings per share	$	1.10	$	1.27	$	3.54	$	3.92
1  Excludes employee stock options with exercise prices greater than current market price.	—		87,749		—		270,288