Reportable Segments (Tables)

12 Months Ended

Dec. 31, 2012

Segment Reporting [Abstract]

Segment Reporting [Table Text Block]

Reportable segments reconciliation to the Consolidated Financial Statements for the year ended December 31, 2012 is as follows (in thousands):

	Commercial			Consumer			Wealth Management			Funds Management and Other			BOK Financial Consolidated
Net interest revenue from external sources	$	367,412		$	90,036		$	27,754		$	219,124		$	704,326
Net interest revenue (expense) from internal sources	(46,414		)	25,120			21,432			(138		)	—
Net interest revenue	320,998			115,156			49,186			218,986			704,326
Provision for credit losses	10,852			9,345			2,284			(44,481		)	(22,000		)
Net interest revenue after provision for credit losses	310,146			105,811			46,902			263,467			726,326
Other operating revenue	171,131			272,118			200,007			22,855			666,111
Other operating expense	246,888			256,315			214,385			131,985			849,573
Income before taxes	234,389			121,614			32,524			154,337			542,864
Federal and state income tax	91,177			47,308			12,652			37,603			188,740
Net income	143,212			74,306			19,872			116,734			354,124
Net income attributable to non-controlling interest	—			—			—			2,933			2,933
Net income attributable to BOK Financial Corp.	$	143,212		$	74,306		$	19,872		$	113,801		$	351,191
Average assets	$	9,949,735		$	5,727,267		$	4,357,523		$	6,254,626		$	26,289,151
Average invested capital	882,288			287,972			184,622			1,551,073			2,905,955
Performance measurements:
Return on average assets	1.44		%	1.30		%	0.46		%				1.34		%
Return on average invested capital	16.23		%	25.73		%	10.76		%				12.09		%
Efficiency ratio	51.68		%	64.73		%	86.24		%				62.03		%

Reportable segments reconciliation to the Consolidated Financial Statements for the year ended December 31, 2011 is as follows (in thousands):

	Commercial			Consumer			Wealth Management			Funds Management and Other			BOK Financial Consolidated
Net interest revenue from external sources	$	342,833		$	89,745		$	30,813		$	228,103		$	691,494
Net interest revenue (expense) from internal sources	(30,676		)	33,109			16,540			(18,973		)	—
Net interest revenue	312,157			122,854			47,353			209,130			691,494
Provision for credit losses	20,760			13,451			2,960			(43,221		)	(6,050		)
Net interest revenue after provision for credit losses	291,397			109,403			44,393			252,351			697,544
Other operating revenue	147,545			223,322			171,873			27,795			570,535
Other operating expense	230,451			277,891			190,706			120,696			819,744
Income before taxes	208,491			54,834			25,560			159,450			448,335
Federal and state income tax	81,103			21,330			9,943			46,135			158,511
Net income	127,388			33,504			15,617			113,315			289,824
Net income attributable to non-controlling interest	—			—			—			3,949			3,949
Net income attributable to BOK Financial Corp.	$	127,388		$	33,504		$	15,617		$	109,366		$	285,875
Average assets	$	9,383,528		$	5,937,585		$	4,073,623		$	5,100,125		$	24,494,861
Average invested capital	884,169			273,906			174,877			1,348,913			2,681,865
Performance measurements:
Return on average assets	1.36		%	0.56		%	0.38		%				1.17		%
Return on average invested capital	14.41		%	12.23		%	8.93		%				10.66		%
Efficiency ratio	50.22		%	74.17		%	87.21		%				63.13		%

Reportable segments reconciliation to the Consolidated Financial Statements for the year ended December 31, 2010 is as follows (in thousands):

	Commercial			Consumer			Wealth Management			Funds Management and Other			BOK Financial Consolidated
Net interest revenue from external sources	$	338,391		$	86,292		$	36,012		$	248,357		$	709,052
Net interest revenue (expense) from internal sources	(45,317		)	47,624			12,546			(14,853		)	—
Net interest revenue	293,074			133,916			48,558			233,504			709,052
Provision for credit losses	70,489			24,705			10,831			(886		)	105,139
Net interest revenue after provision for credit losses	222,585			109,211			37,727			234,390			603,913
Other operating revenue	138,992			215,057			165,528			(1,519		)	518,058
Other operating expense	230,116			242,065			179,825			98,314			750,320
Income before taxes	131,461			82,203			23,430			134,557			371,651
Federal and state income tax	51,138			31,977			9,114			31,128			123,357
Net income	80,323			50,226			14,316			103,429			248,294
Net income attributable to non-controlling interest	—			—			—			1,540			1,540
Net income attributable to BOK Financial Corp.	$	80,323		$	50,226		$	14,316		$	101,889		$	246,754
Average assets	$	8,893,868		$	6,243,746		$	3,686,133		$	4,982,052		$	23,805,799
Average invested capital	899,005			277,837			169,775			1,078,026			2,424,643
Performance measurements:
Return on average assets	0.90		%	0.80		%	0.39		%				1.04		%
Return on average invested capital	8.93		%	18.08		%	8.43		%				10.18		%
Efficiency ratio	52.94		%	72.69		%	84.29		%				60.83		%