Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Earnings Per Share [Table Text Block]

(In thousands, except share and per share amounts)	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
Numerator:
Net income attributable to BOK Financial Corp. shareholders	$	79,931	$	97,628	$	167,895	$	181,243
Less: Earnings allocated to participating securities	854		977		1,825		1,716
Numerator for basic earnings per share – income available to common shareholders	79,077		96,651		166,070		179,527
Effect of reallocating undistributed earnings of participating securities	2		3		4		5
Numerator for diluted earnings per share – income available to common shareholders	$	79,079	$	96,654	$	166,074	$	179,532
Denominator:
Weighted average shares outstanding	68,719,694		68,152,242		68,645,247		68,214,648
Less:  Participating securities included in weighted average shares outstanding	725,872		679,577		740,648		641,368
Denominator for basic earnings per common share	67,993,822		67,472,665		67,904,599		67,573,280
Dilutive effect of employee stock compensation plans1	218,675		272,163		222,152		274,379
Denominator for diluted earnings per common share	68,212,497		67,744,828		68,126,751		67,847,659
Basic earnings per share	$	1.16	$	1.43	$	2.45	$	2.66
Diluted earnings per share	$	1.16	$	1.43	$	2.44	$	2.65
1  Excludes employee stock options with exercise prices greater than current market price.	—		366,407		—		361,558