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Pay vs Performance Disclosure
 12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Pay vs Performance Disclosure          
Pay vs Performance Disclosure, Table
Pay versus Performance
As required by Section 953(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act, and Item 402(v) of Regulation
S-K,
we are providing the following information that demonstrates the relationship between executive “Compensation Actually Paid” and the Company’s performance against several specific financial metrics. For further information regarding our executive compensation programs, the metrics the Human Capital and Compensation Committee used to set executive compensation for 2025 (which is different than the financial metrics we are required to include in the tables and discussion below) and our
pay-for-performance
philosophy, please refer to “Compensation Discussion and Analysis” starting on page 42.
Pay versus Performance Table
The table below reflects Compensation Actually Paid to the Company’s Principal Executive Officer (“PEO”) and average Compensation Actually Paid to
Non-PEO
Named Executive Officers during 2021 through 2025. In addition, the table compares our Total Shareholder Return (“TSR”) against peer group TSR using the KBW Bank Index.
 
       
    
Summary Compensation
Table Total for PEO
    
Compensation Actually
Paid to PEO
         
Year
  
Timothy N.
Spence
(1)
($)
    
Greg D.
Carmichael
(1)
($)
    
Timothy N.
Spence
(1),
 (2),(3)
($)
    
Greg D.
Carmichael
(1),(2),(3)
($)
    
Average
Summary
Compensation
Table Total
for
Non-PEO
NEOs
(1)
($)
    
Average
Compensation
Actually Paid
to
Non-PEO
NEOs
($)
    
Value of
Initial Fixed
$100
Investment
based on:
(4)
    
Net
Income
($ Millions)
    
Adjusted
ROACE
 (5)
  
 
TSR
($)
    
Peer
Group
TSR
($)
  
                     
(a)     (b)       (b)       (c)       (c)       (d)       (e)       (f)       (g)       (h)         (i)  
                     
2025    
11,052,366
    
 
 
 
    
15,775,869
 		    
 
 
 
    
3,653,072
  		      
5,134,872
 		       204.21       
196.02 
       2,522        10.84 %   
                     
2024     10,107,358       —        16,557,033        —         4,997,796         6,888,467        177.96        147.87        2,314        10.64 %   
                     
2023     9,385,726        —        11,127,150        —         2,659,424         3,233,874        139.99        107.77        2,349        11.9 %   
                     
2022     8,138,659        11,020,287        7,385,480        9,082,391         2,764,020         2,223,867        126.82        108.74        2,446        12.5 %   
                     
2021     —        10,531,649        —        20,997,747         3,061,398         5,142,100        162.43        138.34        2,770        14.5 %   
 
(1)
The amounts reported in columns (b) reflect the Summary Compensation Table Total for Mr. Carmichael and Mr. Spence for the years in which they served as PEO. For the years reported in the table, Greg D. Carmichael was our PEO from January 2020 to July 2022, and Timothy N. Spence has been our PEO since July 2022. The amounts reported in column (d) reflect the average Summary Compensation Table Total amounts for the
Non-PEO
Executive Officers for the respective years. The individuals comprising the
Non-PEO
NEOs for each year presented are listed below.
 
         
2021
   
2022
   
2023
   
2024
   
2025
         
James C. Leonard    James C. Leonard    James C. Leonard    Bryan D. Preston    Bryan D. Preston
         
Timothy N. Spence    Robert P. Shaffer    Robert P. Shaffer    James C. Leonard    James C. Leonard
         
Lars C. Anderson    Kevin P. Lavender    Kevin P. Lavender    Robert P. Shaffer    Robert P. Shaffer
         
Kevin P. Lavender    Howard Hammond    Jude A. Schramm    Kevin P. Lavender    Jude A. Schramm
         
 
 
   
 
 
   
 
 
   
 
 
    Kevin P. Lavender
 
(2)
The amounts shown for Compensation Actually Paid have been calculated in accordance with Item 402(v) of Regulation
S-K
and do not reflect compensation actually earned, realized, or received by the Company’s NEOs. These amounts reflect the Summary Compensation Table Total with certain adjustments as described in footnote 3 below.
(3)
Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for the PEOs and the
Non-PEO
NEOs as set forth below. Equity values are calculated in accordance with FASB ASC Topic 718. Amounts in the Exclusion of Stock Awards and Option Awards column are the totals from the Stock Awards and Option Awards columns set forth in the Summary Compensation Table. The equity value adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the
year-end
fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) the amount of change as of the end of the applicable year (from the end of the prior fiscal year) in the fair value of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) for awards that are granted and vest in the same applicable year, the fair value as of the vesting date; (iv) for awards granted in prior years that vest in the applicable year, the amount equal to the change as of the vesting date (from the end of the prior fiscal year) in fair
 
 
  value; (v) for awards granted in prior years that are determined to fail to meet the applicable vesting conditions during the applicable year, a deduction for the amount equal to the fair value at the end of the prior fiscal year; and (vi) the dollar value of any dividends or other earnings paid on stock or option awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant.
 
         
  Year
  
Summary   
Compensation Table  
Total for PEO  
($)  
  
Exclusion of Stock  
Awards and Option  
Awards for PEO  
($)  
  
Inclusion of Equity  
Values for PEO  
($)  
  
Compensation  
Actually Paid to PEO  
($)  
         
Timothy N. Spence
                                        
         
2025
       11,052,366         (7,140,040 )         11,863,543         15,775,869  
         
2024
       10,107,358         (6,418,555 )         12,868,230         16,557,033  
         
2023
       9,385,726         (6,381,769 )         8,123,193         11,127,150  
         
2022
       8,138,659         (5,437,487 )         4,684,308         7,385,480  
         
Greg D. Carmichael
                                        
         
2022
       11,020,287         (6,850,015 )         4,912,119         9,082,391  
         
2021
       10,531,649         (5,750,002 )         16,216,100         20,997,747  
 
         
  Year
  
Average Summary  
Compensation Table  
Total for Non-PEO  
NEOs  
($)  
  
Average Exclusion of  
Stock Awards and  
Option Awards for  
Non-PEO NEOs  
($)  
  
Average Inclusion of  
Equity Values for  
Non-PEO NEOs  
($)  
  
Average  
Compensation  
Actually Paid to  
Non-PEO
NEOs  
($)  
         
2025
       3,653,072         (1,938,016 )         3,419,816         5,134,872  
         
2024
       4,997,796         (3,384,239 )         5,274,910         6,888,467  
         
2023
       2,659,424         (1,316,236 )         1,890,686         3,233,874  
         
2022
       2,764,020         (1,396,259 )         856,107         2,223,867  
         
2021
       3,061,398         (1,374,990 )         3,445,692         5,142,100  
The amounts in the Inclusion of Equity Values in the tables above are derived from the am
ount
s set forth in the following tables:
 
               
  Year
Year-End
Fair Value of
Equity
Awards
Granted
During Year
That
Remained
Unvested as
of Last Day
of Year for
PEO
($)
Change in
Fair Value
from Last
Day of Prior
Year to
Last Day of
Year of
Unvested
Equity
Awards for
PEO
($)
Vesting-
Date Fair
Value of
Equity
Awards
Granted
During Year
that Vested
During Year
for PEO
($)
Change in
Fair Value
from Last
Day of Prior
Year to
Vesting Date
of Unvested
Equity
Awards that
Vested
During Year
for PEO
($)
Fair Value at
Last Day of
Prior Year of
Equity
Awards
Forfeited
During Year
for PEO
($)
Value of
Dividends or
Other
Earnings
Paid on
Stock or
Option
Awards Not
Otherwise
Included for
PEO
($)
Total -
Inclusion of
Equity
Values for
PEO
($)
   
Timothy N. Spence
 
               
2025
   7,784,012   3,834,278   0   245,253   0   0   11,863,543
               
2024
   8,688,375   4,293,218   0   (113,363 )   0   0   12,868,230
               
2023
   6,071,861   1,876,851   0   174,481   0   0   8,123,193
               
2022
   4,603,129   (232,977 )   0   314,156   0   0   4,684,308
 
 
               
  Year
Year-End
Fair Value of
Equity
Awards
Granted
During Year
That
Remained
Unvested as
of Last Day
of Year for
PEO
($)
Change in
Fair Value
from Last
Day of Prior
Year to
Last Day of
Year of
Unvested
Equity
Awards for
PEO
($)
Vesting-
Date Fair
Value of
Equity
Awards
Granted
During Year
that Vested
During Year
for PEO
($)
Change in
Fair Value
from Last
Day of Prior
Year to
Vesting Date
of Unvested
Equity
Awards that
Vested
During Year
for PEO
($)
Fair Value at
Last Day of
Prior Year of
Equity
Awards
Forfeited
During Year
for PEO
($)
Value of
Dividends or
Other
Earnings
Paid on
Stock or
Option
Awards Not
Otherwise
Included for
PEO
($)
Total -
Inclusion of
Equity
Values for
PEO
($)
   
Greg D. Carmichael
 
               
2022
   4,614,693   (980,218 )   0   1,277,644   0   0   4,912,119
               
2021
   8,124,828   7,454,466   0   630,552   0   6,254   16,216,100
 
               
Year
Average
Year-End

Fair Value of
Equity
Awards
Granted
During Year
That
Remained
Unvested as
of Last Day
of Year for
Non-PEO

NEOs
($)
Average
Change in
Fair Value
from Last
Day of Prior
Year to Last
Day of Year
of Unvested
Equity
Awards for
Non-PEO
NEOs
($)
Average
Vesting-Date
Fair Value of
Equity
Awards
Granted
During Year
that Vested
During Year
for
Non-PEO
NEOs
($)
Average
Change in
Fair Value
from Last
Day of Prior
Year to
Vesting Date
of Unvested
Equity
Awards that
Vested
During Year
for
Non-PEO
NEOs
($)
Average Fair
Value at Last
Day of Prior
Year of
Equity
Awards
Forfeited
During Year
for
Non-PEO
NEOs
($)
Average
Value of
Dividends or
Other
Earnings
Paid on
Stock or
Option
Awards Not
Otherwise
Included for
Non-PEO
NEOs
($)
Total -
Average
Inclusion of
Equity
Values for
Non-PEO
NEOs
($)
               
2025
   2,122,808   1,238,881   0   68,127   0   0   3,419,816
               
2024
   4,481,098   838,602   0   (44,790 )   0   0   5,274,910
               
2023
   1,252,318   519,821   0   118,547   0   0   1,890,686
               
2022
   940,627   (171,946 )   0   80,293   0   7,134   856,107
               
2021
   1,942,879   1,380,064   0   124,663   0   8,086   3,445,692
 
(4)
The Peer Group TSR set forth in this table utilizes the KBW Bank Index, which we also utilize in the stock performance graph required by Item 201(e) of Regulation
S-K
included in our Annual Report for the year ended December 31, 2025. The comparison assumes $100 was invested for the period starting December 31, 2020, through the end of the listed year in the Company and in the KBW Bank Index, respectively. Historical stock performance is not necessarily indicative of future stock performance.
(5)
We determined Adjusted ROACE to be the most important financial
performance measure
used to link Company
performance
to Compensation Actually Paid to our PEOs and
Non-PEO
NEOs in 2025, given its impact on our determination of the change in value of the Performance Shares issued to those officers. As described in the Compensation Discussion and Analysis, the core performance measure for Performance Shares granted is Adjusted ROACE, measured against our peer group over a three-year performance period. This performance measure may not have been the most important financial performance measure for prior years and we may determine a different financial performance measure to be the most important financial performance measure in future years. Provided in the table above are the corresponding fiscal year Adjusted ROACE measure, versus the cumulative three-year measurement. Adjusted ROACE is a
non-GAAP
measure and is calculated as cumulative adjusted net income available to our common shareholders divided by average adjusted common shareholders’ equity. Adjusted net income available to our common shareholders is determined based upon the financial results for the fiscal year, adjusted for the following items: changes in tax laws, generally accepted accounting principles, or other laws or provisions affecting reported results; significant legal and regulatory settlements; asset write-downs, write-offs, dispositions, or sales resulting from a change in business strategy;
Mark-to-Market
impacts on the Visa swap and gains associated with the redemption or sale of Visa shares; merger-related, restructuring, early debt extinguishment, and other-than-temporary impairment charges; gains or losses on securities. Average adjusted common shareholders’ equity is based upon reported financial results, adjusted to exclude accumulated other comprehensive income.
       
Company Selected Measure Name Adjusted ROACE        
Named Executive Officers, Footnote
(1)
The amounts reported in columns (b) reflect the Summary Compensation Table Total for Mr. Carmichael and Mr. Spence for the years in which they served as PEO. For the years reported in the table, Greg D. Carmichael was our PEO from January 2020 to July 2022, and Timothy N. Spence has been our PEO since July 2022. The amounts reported in column (d) reflect the average Summary Compensation Table Total amounts for the
Non-PEO
Executive Officers for the respective years. The individuals comprising the
Non-PEO
NEOs for each year presented are listed below.
 
         
2021
   
2022
   
2023
   
2024
   
2025
         
James C. Leonard    James C. Leonard    James C. Leonard    Bryan D. Preston    Bryan D. Preston
         
Timothy N. Spence    Robert P. Shaffer    Robert P. Shaffer    James C. Leonard    James C. Leonard
         
Lars C. Anderson    Kevin P. Lavender    Kevin P. Lavender    Robert P. Shaffer    Robert P. Shaffer
         
Kevin P. Lavender    Howard Hammond    Jude A. Schramm    Kevin P. Lavender    Jude A. Schramm
         
 
 
   
 
 
   
 
 
   
 
 
    Kevin P. Lavender
       
Peer Group Issuers, Footnote The Peer Group TSR set forth in this table utilizes the KBW Bank Index, which we also utilize in the stock performance graph required by Item 201(e) of Regulation
S-K
included in our Annual Report for the year ended December 31, 2025. The comparison assumes $100 was invested for the period starting December 31, 2020, through the end of the listed year in the Company and in the KBW Bank Index, respectively. Historical stock performance is not necessarily indicative of future stock performance. 		       
Adjustment To PEO Compensation, Footnote
 
         
  Year
  
Summary   
Compensation Table  
Total for PEO  
($)  
  
Exclusion of Stock  
Awards and Option  
Awards for PEO  
($)  
  
Inclusion of Equity  
Values for PEO  
($)  
  
Compensation  
Actually Paid to PEO  
($)  
         
Timothy N. Spence
                                        
         
2025
       11,052,366         (7,140,040 )         11,863,543         15,775,869  
         
2024
       10,107,358         (6,418,555 )         12,868,230         16,557,033  
         
2023
       9,385,726         (6,381,769 )         8,123,193         11,127,150  
         
2022
       8,138,659         (5,437,487 )         4,684,308         7,385,480  
         
Greg D. Carmichael
                                        
         
2022
       11,020,287         (6,850,015 )         4,912,119         9,082,391  
         
2021
       10,531,649         (5,750,002 )         16,216,100         20,997,747  
 
The amounts in the Inclusion of Equity Values in the tables above are derived from the am
ount
s set forth in the following tables:
 
               
  Year
Year-End
Fair Value of
Equity
Awards
Granted
During Year
That
Remained
Unvested as
of Last Day
of Year for
PEO
($)
Change in
Fair Value
from Last
Day of Prior
Year to
Last Day of
Year of
Unvested
Equity
Awards for
PEO
($)
Vesting-
Date Fair
Value of
Equity
Awards
Granted
During Year
that Vested
During Year
for PEO
($)
Change in
Fair Value
from Last
Day of Prior
Year to
Vesting Date
of Unvested
Equity
Awards that
Vested
During Year
for PEO
($)
Fair Value at
Last Day of
Prior Year of
Equity
Awards
Forfeited
During Year
for PEO
($)
Value of
Dividends or
Other
Earnings
Paid on
Stock or
Option
Awards Not
Otherwise
Included for
PEO
($)
Total -
Inclusion of
Equity
Values for
PEO
($)
   
Timothy N. Spence
 
               
2025
   7,784,012   3,834,278   0   245,253   0   0   11,863,543
               
2024
   8,688,375   4,293,218   0   (113,363 )   0   0   12,868,230
               
2023
   6,071,861   1,876,851   0   174,481   0   0   8,123,193
               
2022
   4,603,129   (232,977 )   0   314,156   0   0   4,684,308
 
               
  Year
Year-End
Fair Value of
Equity
Awards
Granted
During Year
That
Remained
Unvested as
of Last Day
of Year for
PEO
($)
Change in
Fair Value
from Last
Day of Prior
Year to
Last Day of
Year of
Unvested
Equity
Awards for
PEO
($)
Vesting-
Date Fair
Value of
Equity
Awards
Granted
During Year
that Vested
During Year
for PEO
($)
Change in
Fair Value
from Last
Day of Prior
Year to
Vesting Date
of Unvested
Equity
Awards that
Vested
During Year
for PEO
($)
Fair Value at
Last Day of
Prior Year of
Equity
Awards
Forfeited
During Year
for PEO
($)
Value of
Dividends or
Other
Earnings
Paid on
Stock or
Option
Awards Not
Otherwise
Included for
PEO
($)
Total -
Inclusion of
Equity
Values for
PEO
($)
   
Greg D. Carmichael
 
               
2022
   4,614,693   (980,218 )   0   1,277,644   0   0   4,912,119
               
2021
   8,124,828   7,454,466   0   630,552   0   6,254   16,216,100
       
Non-PEO NEO Average Total Compensation Amount $ 3,653,072 $ 4,997,796 $ 2,659,424 $ 2,764,020 $ 3,061,398
Non-PEO NEO Average Compensation Actually Paid Amount $ 5,134,872 6,888,467 3,233,874 2,223,867 5,142,100
Adjustment to Non-PEO NEO Compensation Footnote
         
  Year
  
Average Summary  
Compensation Table  
Total for Non-PEO  
NEOs  
($)  
  
Average Exclusion of  
Stock Awards and  
Option Awards for  
Non-PEO NEOs  
($)  
  
Average Inclusion of  
Equity Values for  
Non-PEO NEOs  
($)  
  
Average  
Compensation  
Actually Paid to  
Non-PEO
NEOs  
($)  
         
2025
       3,653,072         (1,938,016 )         3,419,816         5,134,872  
         
2024
       4,997,796         (3,384,239 )         5,274,910         6,888,467  
         
2023
       2,659,424         (1,316,236 )         1,890,686         3,233,874  
         
2022
       2,764,020         (1,396,259 )         856,107         2,223,867  
         
2021
       3,061,398         (1,374,990 )         3,445,692         5,142,100  
 
               
Year
Average
Year-End

Fair Value of
Equity
Awards
Granted
During Year
That
Remained
Unvested as
of Last Day
of Year for
Non-PEO

NEOs
($)
Average
Change in
Fair Value
from Last
Day of Prior
Year to Last
Day of Year
of Unvested
Equity
Awards for
Non-PEO
NEOs
($)
Average
Vesting-Date
Fair Value of
Equity
Awards
Granted
During Year
that Vested
During Year
for
Non-PEO
NEOs
($)
Average
Change in
Fair Value
from Last
Day of Prior
Year to
Vesting Date
of Unvested
Equity
Awards that
Vested
During Year
for
Non-PEO
NEOs
($)
Average Fair
Value at Last
Day of Prior
Year of
Equity
Awards
Forfeited
During Year
for
Non-PEO
NEOs
($)
Average
Value of
Dividends or
Other
Earnings
Paid on
Stock or
Option
Awards Not
Otherwise
Included for
Non-PEO
NEOs
($)
Total -
Average
Inclusion of
Equity
Values for
Non-PEO
NEOs
($)
               
2025
   2,122,808   1,238,881   0   68,127   0   0   3,419,816
               
2024
   4,481,098   838,602   0   (44,790 )   0   0   5,274,910
               
2023
   1,252,318   519,821   0   118,547   0   0   1,890,686
               
2022
   940,627   (171,946 )   0   80,293   0   7,134   856,107
               
2021
   1,942,879   1,380,064   0   124,663   0   8,086   3,445,692
       
Compensation Actually Paid vs. Total Shareholder Return
The following chart sets forth the relationship between Compensation Actually Paid to our PEOs, the average of Compensation Actually Paid to our other NEOs, and the Company’s cumulative TSR over the five most recently completed fiscal years.
 
 
        
Compensation Actually Paid vs. Net Income
The following chart sets forth the relationship between Compensation Actually Paid to our PEOs, the average of Compensation Actually Paid to our other NEOs, and our net income during the five most recently completed fiscal years.
 
 
        
Compensation Actually Paid vs. Company Selected Measure
The following chart sets forth the relationship between Compensation Actually Paid to our PEOs, the average of Compensation Actually Paid to our other NEOs, and our Annual Adjusted ROACE during each of the five most recently completed fiscal years.
 
 
        
Total Shareholder Return Vs Peer Group
The following chart compares our cumulative TSR over the five most recently completed fiscal years to that of the KBW Bank Index over the same period.
 
 
LOGO
       
Tabular List, Table
Tabular List of Most Important Performance Measures
The following table presents the financial performance measures that the Company considers to be the most important in linking Compensation Actually Paid to our PEOs and other NEOs for 202
5
 to Company performance. The measures in this table are not ranked.
 
Adjusted Return on Average Common Equity
  
 
 
Adjusted Earnings Per Share
  
 
 
Adjusted Return on Assets
  
 
 
Adjusted Efficiency Ratio
  
 
 
       
Total Shareholder Return Amount $ 204.21 177.96 139.99 126.82 162.43
Peer Group Total Shareholder Return Amount 196.02 147.87 107.77 108.74 138.34
Net Income (Loss) $ 2,522,000,000 $ 2,314,000,000 $ 2,349,000,000 $ 2,446,000,000 $ 2,770,000,000
Company Selected Measure Amount 10.84 10.64 11.9 12.5 14.5
Measure:: 1          
Pay vs Performance Disclosure          
Name Adjusted Return on Average Common Equity        
Non-GAAP Measure Description Adjusted ROACE is a
non-GAAP
measure and is calculated as cumulative adjusted net income available to our common shareholders divided by average adjusted common shareholders’ equity. Adjusted net income available to our common shareholders is determined based upon the financial results for the fiscal year, adjusted for the following items: changes in tax laws, generally accepted accounting principles, or other laws or provisions affecting reported results; significant legal and regulatory settlements; asset write-downs, write-offs, dispositions, or sales resulting from a change in business strategy;
Mark-to-Market
impacts on the Visa swap and gains associated with the redemption or sale of Visa shares; merger-related, restructuring, early debt extinguishment, and other-than-temporary impairment charges; gains or losses on securities. Average adjusted common shareholders’ equity is based upon reported financial results, adjusted to exclude accumulated other comprehensive income. 		       
Measure:: 2          
Pay vs Performance Disclosure          
Name Adjusted Earnings Per Share        
Measure:: 3          
Pay vs Performance Disclosure          
Name Adjusted Return on Assets        
Measure:: 4          
Pay vs Performance Disclosure          
Name Adjusted Efficiency Ratio        
Timothy N. Spence [Member]          
Pay vs Performance Disclosure          
PEO Total Compensation Amount $ 11,052,366 $ 10,107,358 $ 9,385,726 $ 8,138,659  
PEO Actually Paid Compensation Amount $ 15,775,869 16,557,033 11,127,150 7,385,480  
PEO Name Timothy N. Spence        
Greg D. Carmichael [Member]          
Pay vs Performance Disclosure          
PEO Total Compensation Amount       11,020,287 $ 10,531,649
PEO Actually Paid Compensation Amount       9,082,391 20,997,747
PEO Name Greg D. Carmichael        
PEO | Timothy N. Spence [Member] | Equity Awards Adjustments          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount $ 11,863,543 12,868,230 8,123,193 4,684,308  
PEO | Timothy N. Spence [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 7,784,012 8,688,375 6,071,861 4,603,129  
PEO | Timothy N. Spence [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 3,834,278 4,293,218 1,876,851 (232,977)  
PEO | Timothy N. Spence [Member] | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0  
PEO | Timothy N. Spence [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 245,253 (113,363) 174,481 314,156  
PEO | Timothy N. Spence [Member] | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0  
PEO | Timothy N. Spence [Member] | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0  
PEO | Timothy N. Spence [Member] | Stock Awards and Option Awards [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (7,140,040) (6,418,555) (6,381,769) (5,437,487)  
PEO | Greg D. Carmichael [Member] | Equity Awards Adjustments          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       4,912,119 16,216,100
PEO | Greg D. Carmichael [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       4,614,693 8,124,828
PEO | Greg D. Carmichael [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       (980,218) 7,454,466
PEO | Greg D. Carmichael [Member] | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       0 0
PEO | Greg D. Carmichael [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       1,277,644 630,552
PEO | Greg D. Carmichael [Member] | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       0 0
PEO | Greg D. Carmichael [Member] | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       0 6,254
PEO | Greg D. Carmichael [Member] | Stock Awards and Option Awards [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount       (6,850,015) (5,750,002)
Non-PEO NEO | Equity Awards Adjustments          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 3,419,816 5,274,910 1,890,686 856,107 3,445,692
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 2,122,808 4,481,098 1,252,318 940,627 1,942,879
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 1,238,881 838,602 519,821 (171,946) 1,380,064
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0 0
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 68,127 (44,790) 118,547 80,293 124,663
Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0 0
Non-PEO NEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 7,134 8,086
Non-PEO NEO | Stock Awards and Option Awards [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount $ (1,938,016) $ (3,384,239) $ (1,316,236) $ (1,396,259) $ (1,374,990)