Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Earnings Per Share [Table Text Block]

(In thousands, except share and per share amounts)	Three Months Ended March 31,
	2016		2015
Numerator:
Net income attributable to BOK Financial Corp. shareholders	$	42,564	$	74,843
Less: Earnings allocated to participating securities	538		814
Numerator for basic earnings per share – income available to common shareholders	42,026		74,029
Effect of reallocating undistributed earnings of participating securities	—		1
Numerator for diluted earnings per share – income available to common shareholders	$	42,026	$	74,030
Denominator:
Weighted average shares outstanding	66,131,166		69,002,576
Less:  Participating securities included in weighted average shares outstanding	834,625		747,796
Denominator for basic earnings per common share	65,296,541		68,254,780
Dilutive effect of employee stock compensation plans1	34,887		90,106
Denominator for diluted earnings per common share	65,331,428		68,344,886
Basic earnings per share	$	0.64	$	1.08
Diluted earnings per share	$	0.64	$	1.08
1  Excludes employee stock options with exercise prices greater than current market price.	244,019		78,209