XML 52 R44.htm IDEA: XBRL DOCUMENT v2.4.0.6
Shareholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2012
Stockholders' Equity Note [Abstract]  
Summary of Regulatory Capital Levels [Table Text Block]
A summary of regulatory capital levels follows (dollars in thousands):
 
 
As of December 31,
 
 
2012
 
2011
Total Capital (to Risk Weighted Assets):
 
 
 
 
 
 
 
 
Consolidated
 
$
2,877,949

 
15.13
%
 
$
2,851,099

 
16.49
%
BOKF, NA
 
2,296,451

 
12.13

 
2,329,670

 
13.53

Tier I Capital (to Risk Weighted Assets):
 
 
 
 
 
 
 
 
Consolidated
 
$
2,430,671

 
12.78
%
 
$
2,295,061

 
13.27
%
BOKF, NA
 
1,849,769

 
9.77

 
1,775,182

 
10.31

Tier I Capital (to Average Assets):
 
 
 
 
 
 
 
 
Consolidated
 
$
2,430,671

 
9.01
%
 
$
2,295,061

 
9.15
%
BOKF, NA
 
1,849,769

 
6.89

 
1,775,182

 
7.11
Accumulated Other Comprehensive Income (Loss)
A rollforward of the components of accumulated other comprehensive income (loss) is included as follows (in thousands):
 
 
Unrealized Gain (Loss) on
 
 
 
 
 
 
Available for Sale Securities
 
Investment Securities Transferred from AFS
 
Employee Benefit Plans
 
Loss on Effective Cash Flow Hedges
 
Total
Balance, December 31, 2009
 
$
6,772

 
$
—

 
$
(16,473
)
 
$
(1,039
)
 
$
(10,740
)
Net change in unrealized gains (losses)
 
181,051

 
—

 
4,412

 
—

 
185,463

Other-than-temporary impairment losses recognized in earnings
 
27,809

 
—

 
—

 
—

 
27,809

Reclassification adjustment for net (gains) losses realized and included in earnings
 
(21,882
)
 
—

 
—

 
264

 
(21,618
)
Income tax expense (benefit)1
 
(71,256
)
 
—

 
(1,716
)
 
(103
)
 
(73,075
)
Balance, December 31, 2010
 
122,494

 
—

 
(13,777
)
 
(878
)
 
107,839

Net change in unrealized gains (losses)
 
45,593

 
—

 
1,694

 
—

 
47,287

Other-than-temporary impairment losses recognized in earnings
 
23,507

 
—

 
—

 
—

 
23,507

Transfer of net unrealized gain from AFS to investment securities
 
(12,999
)
 
12,999

 
—

 
—

 
—

Amortization of unrealized gain on investments securities transferred from AFS
 
—

 
(1,357
)
 
—

 
—

 
(1,357
)
Reclassification adjustment for net (gains) losses realized and included in earnings
 
(34,144
)
 
—

 
—

 
304

 
(33,840
)
Income tax expense (benefit)1
 
(8,711
)
 
(4,969
)
 
(659
)
 
(118
)
 
(14,457
)
Balance, December 31, 2011
 
135,740

 
6,673

 
(12,742
)
 
(692
)
 
128,979

Net change in unrealized gains (losses)
 
58,921

 
—

 
7,276

 
—

 
66,197

Other-than-temporary impairment losses recognized in earnings
 
7,351

 
—

 
—

 
—

 
7,351

Amortization of unrealized gain on investments securities transferred from AFS
 
—

 
(6,601
)
 
—

 
—

 
(6,601
)
Reclassification adjustment for net(gains) losses realized and included in earnings
 
(33,845
)
 
—

 
—

 
453

 
(33,392
)
Income tax benefit (expense)1
 
(12,614
)
 
3,006

 
(2,830
)
 
(176
)
 
(12,614
)
Balance, December 31, 2012
 
$
155,553

 
$
3,078

 
$
(8,296
)
 
$
(415
)
 
$
149,920


1 
Calculated using 39% effective tax rate.