Earnings Per Share

3 Months Ended

Mar. 31, 2021

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,
	2021		2020
Numerator:
Net income attributable to BOK Financial Corp. shareholders	$	146,060	$	62,079
Less: Earnings allocated to participating securities	937		343
Numerator for basic earnings per share – income available to common shareholders	145,123		61,736
Effect of reallocating undistributed earnings of participating securities	—		—
Numerator for diluted earnings per share – income available to common shareholders	$	145,123	$	61,736
Denominator:
Weighted average shares outstanding	69,583,788		70,513,807
Less:  Participating securities included in weighted average shares outstanding	446,413		390,122
Denominator for basic earnings per common share	69,137,375		70,123,685
Dilutive effect of employee stock compensation plans	4,335		6,481
Denominator for diluted earnings per common share	69,141,710		70,130,166
Basic earnings per share	$	2.10	$	0.88
Diluted earnings per share	$	2.10	$	0.88