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Earnings Per Share
3 Months Ended
Mar. 31, 2020
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block] Earnings Per Share
 
(In thousands, except share and per share amounts)
 
Three Months Ended
March 31,
 
 
2020
 
2019
Numerator:
 
 
 
 
Net income attributable to BOK Financial Corp. shareholders
 
$
62,079

 
$
110,612

Less: Earnings allocated to participating securities
 
343

 
828

Numerator for basic earnings per share – income available to common shareholders
 
61,736

 
109,784

Effect of reallocating undistributed earnings of participating securities
 

 

Numerator for diluted earnings per share – income available to common shareholders
 
$
61,736

 
$
109,784

 
 
 
 
 
Denominator:
 
 

 
 

Weighted average shares outstanding
 
70,513,807

 
71,926,041

Less:  Participating securities included in weighted average shares outstanding
 
390,122

 
538,971

Denominator for basic earnings per common share
 
70,123,685

 
71,387,070

Dilutive effect of employee stock compensation plans
 
6,481

 
17,318

Denominator for diluted earnings per common share
 
70,130,166

 
71,404,388

 
 
 
 
 
Basic earnings per share
 
$
0.88

 
$
1.54

Diluted earnings per share
 
$
0.88

 
$
1.54