Earnings Per Share

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

Earnings Per Share

(In thousands, except share and per share amounts)	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Numerator:
Net income attributable to BOK Financial Corp. shareholders	$	88,147	$	65,801	$	176,503	$	108,365
Less: Earnings allocated to participating securities	926		821		1,929		1,359
Numerator for basic earnings per share – income available to common shareholders	87,221		64,980		174,574		107,006
Effect of reallocating undistributed earnings of participating securities	1		—		1		—
Numerator for diluted earnings per share – income available to common shareholders	$	87,222	$	64,980	$	174,575	$	107,006
Denominator:
Weighted average shares outstanding	65,416,274		66,069,392		65,436,909		66,100,279
Less:  Participating securities included in weighted average shares outstanding	686,522		823,505		714,165		829,065
Denominator for basic earnings per common share	64,729,752		65,245,887		64,722,744		65,271,214
Dilutive effect of employee stock compensation plans1	63,382		57,039		65,578		45,963
Denominator for diluted earnings per common share	64,793,134		65,302,926		64,788,322		65,317,177
Basic earnings per share	$	1.35	$	1.00	$	2.70	$	1.64
Diluted earnings per share	$	1.35	$	1.00	$	2.69	$	1.64
1  Excludes employee stock options with exercise prices greater than current market price.	—		—		—		145,247