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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pay vs Performance Disclosure |  |  |  |  |  |
Pay vs Performance Disclosure, Table |  | The following table provides the information required for our NEOs for each of the fiscal years ended December 31, 2024, December 31, 2023, December 31, 2022, December 31, 2021, and December 31, 2020, along with the financial information required to be disclosed for each fiscal year:
Year | Kevin P. Riley | James A. Reuter | Average Summary Comp- ensation Table Total for non- PEO NEOs ($)(2) | Average Summary Comp- ensation Actually Paid to non-PEO NEOs ($)(2)(3) | Value of Initial Fixed $100 Investment Based On: | Net Income (in $M) ($) | Comp- ensation Adjusted ROAE ($)(4)
Summary Comp- ensation Table Total for PEO ($)(1) | Comp- ensation Actually Paid to PEO ($)(1)(3) | Summary Comp- ensation Table Total for PEO ($)(1) | Comp- ensation Actually Paid to PEO ($)(1)(3) | Company Total Shareholder Return ($) | KBW Regional Banking Index Total Shareholder Return ($)
(a) | (b) | (c) | (b) | (c) | (d) | (e) | (f) | (g) | (h) | (i)
2024 | 4,870,569 | 4,324,053 | 2,540,806 | 2,689,115 | 1,278,512 | 1,234,476 | 102.07 | 130.91 | 226.0 | 9.04
2023 | 3,384,896 | 1,951,042 | — | — | 835,999 | 550,266 | 90.37 | 115.64 | 257.5 | 11.68
2022 | 4,617,084 | 4,215,324 | — | — | 1,482,037 | 1,343,374 | 106.06 | 116.11 | 202.2 | 11.75
2021 | 3,201,243 | 2,342,207 | — | — | 928,135 | 733,189 | 106.90 | 124.75 | 192.1 | 13.19
2020 | 2,939,173 | 3,641,663 | — | — | 1,260,013 | 1,454,331 | 103.20 | 91.29 | 161.2 | 10.65
(1) For the year ended December 31, 2024, Kevin P. Riley served as our PEO until November 1, 2024 when James A. Reuter became our President and CEO. Kevin P. Riley was the PEO for each of the years ended December 31, 2023, 2022, 2021, and 2020. (2) For the year ended December 31, 2024, the non-PEO NEOs were Marcy D. Mutch, Lorrie F. Asker, Kirk D. Jensen, and Kristina R. Robbins. For the year ended December 31, 2023, the non-PEO NEOs were Marcy D. Mutch, Kirk D. Jensen, Lorrie F. Asker, Kristina R. Robbins, Ashley Hayslip, and Scott E. Erkonen. For the year ended December 31, 2022, the non-PEO NEOs were Marcy D. Mutch, Jodi Delahunt Hubbell, Kirk D. Jensen, Karlyn M. Knieriem, Scott E. Erkonen, and Russell A. Lee. For the year ended December 31, 2021, the non-PEO NEOs were Marcy D. Mutch, Jodi Delahunt Hubbell, Russell A. Lee, and Kirk D. Jensen. For the year ended December 31, 2020, the non-PEO NEOs were Marcy D. Mutch, Jodi Delahunt Hubbell, Russell A. Lee, and Renee L. Newman. (3) Adjustments to total compensation in the Summary Compensation Table (“SCT”), reported in columns (b) and (d), to calculate CAP, reported in columns (c) and (e) for 2024, include:
|  | PEO: Kevin P. Riley |  | PEO: James A. Reuter |  | Average Other NEOs
|  | 2024 ($) |  | 2024 ($) |  | 2024 ($)
Summary Compensation Total |  | 4,870,569 |  | 2,540,806 |  | 1,278,512
'- Grant Date Fair Value of Stock Awards Granted in Fiscal Year |  | (2,407,319) |  | (2,117,821) |  | (458,314)
'+ Fair Value at Fiscal Year-End of Outstanding and Unvested Stock Awards Granted in Fiscal Year |  | 2,857,344 |  | 2,266,130 |  | 543,996
'+ Change in Fair Value of Outstanding and Unvested Stock Awards Granted in Prior Fiscal Years |  | (898,465) |  | — |  | (114,869)
'+ Fair Value at Vesting of Stock Awards Granted in Fiscal Year That Vested During Fiscal Year |  | — |  | — |  | —
'+ Change in Fair Value as of Vesting Date of Stock Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year |  | (98,076) |  | — |  | (14,849)
'- Fair Value as of Prior Fiscal Year-End of Stock Awards Granted in Prior Fiscal Years That Failed to Meet Applicable Vesting Conditions During Fiscal Year |  | — |  | — |  |
'+ Value of Dividends or other Earnings Paid on Stock Awards not Otherwise Reflected in Fair Value or Total Compensation |  | — |  | — |  | —
Compensation Actually Paid |  | 4,324,053 |  | 2,689,115 |  | 1,234,476
a. The methodologies used for determining the fair values shown in the table are materially consistent with those used to determine the fair values disclosed as of the grant date for each award. (4) Compensation Adjusted ROAE is a non-GAAP financial measure that is one of the most important financial performance measures used by our Compensation Committee to link compensation actually paid to our NEOs for their performance in 2024 to the Company’s performance during 2024 and is calculated as net income before income tax, plus investment security loss, plus or minus the below identified items of pre-tax revenue and expense deemed by S&P Capital IQ to be nonrecurring, divided by average common stockholders’ equity ($ in millions): (i) net income of $226.0, plus provision for income tax of $68.5, minus net gains on disposition of premises and equipment of $4.7, plus FDIC special assessment of $1.5 and CEO retirement costs of $3.8; divided by (ii) average common stockholders’ equity of $3,266.0. |  |  |  |
Non-PEO NEO Average Total Compensation Amount | [1] | $ 1,278,512 | $ 835,999 | $ 1,482,037 | $ 928,135 | $ 1,260,013
Non-PEO NEO Average Compensation Actually Paid Amount | [1],[2] | $ 1,234,476 | 550,266 | 1,343,374 | 733,189 | 1,454,331
Compensation Actually Paid vs. Total Shareholder Return |  |  |  |  |  |
Compensation Actually Paid vs. Net Income |  |  |  |  |  |
Compensation Actually Paid vs. Company Selected Measure |  |  |  |  |  |
Tabular List, Table |  | In the Company’s assessment, the most important financial performance measures used to link compensation actually paid to our NEOs, for the most recently completed fiscal year, to the Company’s performance were:
•Total Shareholder Return
•Compensation Adjusted Return on Average Common Stockholders’ Equity
•Adjusted PPNR per Share
•Adjusted Non-Interest Expenses/Total Average Assets
•Non-Performing Assets/Total Assets
Total Shareholder Return Amount |  | $ 102.07 | 90.37 | 106.06 | 106.90 | 103.20
Peer Group Total Shareholder Return Amount |  | 130.91 | 115.64 | 116.11 | 124.75 | 91.29
Net Income (Loss) |  | $ 226,000,000.0 | $ 257,500,000 | $ 202,200,000 | $ 192,100,000 | $ 161,200,000
Company Selected Measure Amount |  | 9.04 | 11.68 | 11.75 | 13.19 | 10.65
Measure:: 1 |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Name |  | •Total Shareholder Return |  |  |  |
Measure:: 2 |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Name |  | •Compensation Adjusted Return on Average Common Stockholders’ Equity |  |  |  |
Measure:: 3 |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Name |  | •Adjusted PPNR per Share |  |  |  |
Measure:: 4 |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Name |  | •Adjusted Non-Interest Expenses/Total Average Assets |  |  |  |
Measure:: 5 |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Name |  | •Non-Performing Assets/Total Assets |  |  |  |
Kevin Riley [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
PEO Total Compensation Amount | [3] | $ 4,870,569 | $ 3,384,896 | $ 4,617,084 | $ 3,201,243 | $ 2,939,173
PEO Actually Paid Compensation Amount | [2],[3] | $ 4,324,053 | 1,951,042 | 4,215,324 | 2,342,207 | 3,641,663
PEO Name |  | Kevin P. Riley |  |  |  |
James Reuter [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
PEO Total Compensation Amount | [3] | $ 2,540,806 | 0 | 0 | 0 | 0
PEO Actually Paid Compensation Amount | [2],[3] | $ 2,689,115 | $ 0 | $ 0 | $ 0 | $ 0
PEO Name |  | James A. Reuter |  |  |  |
PEO | Kevin Riley [Member] | Grant Date Fair Value of Option Awards and Stock Awards Granted in Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | $ (2,407,319) |  |  |  |
PEO | Kevin Riley [Member] | Fair Value at Year End of Outstanding and Unvested Option and Stock Awards Granted in Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 2,857,344 |  |  |  |
PEO | Kevin Riley [Member] | Change in Fair Value of Outstanding and Unvested Option and Stock Awards Granted in Year Prior Fiscal Years [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | (898,465) |  |  |  |
PEO | Kevin Riley [Member] | Fair Value at Vesting of Option and Stock Awards Granted in Year That Vested During Fiscal Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 0 |  |  |  |
PEO | Kevin Riley [Member] | Change in Fair Value as of Vesting Date of Option and Stock Awards Granted in Prior Fiscal Years for Which Applicable Vesting Conditions were Satisfied During Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | (98,076) |  |  |  |
PEO | Kevin Riley [Member] | Fair Value at Fiscal Year End of Outstanding and Unvested Option and Stock Awards Granted in Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 0 |  |  |  |
PEO | Kevin Riley [Member] | Value of Dividends or other Earnings Paid on Stock or Option Awards Not Otherwise Reflected in Fair Value or Total Compensation [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 0 |  |  |  |
PEO | James Reuter [Member] | Grant Date Fair Value of Option Awards and Stock Awards Granted in Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | (2,117,821) |  |  |  |
PEO | James Reuter [Member] | Fair Value at Year End of Outstanding and Unvested Option and Stock Awards Granted in Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 2,266,130 |  |  |  |
PEO | James Reuter [Member] | Change in Fair Value of Outstanding and Unvested Option and Stock Awards Granted in Year Prior Fiscal Years [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 0 |  |  |  |
PEO | James Reuter [Member] | Fair Value at Vesting of Option and Stock Awards Granted in Year That Vested During Fiscal Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 0 |  |  |  |
PEO | James Reuter [Member] | Change in Fair Value as of Vesting Date of Option and Stock Awards Granted in Prior Fiscal Years for Which Applicable Vesting Conditions were Satisfied During Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 0 |  |  |  |
PEO | James Reuter [Member] | Fair Value at Fiscal Year End of Outstanding and Unvested Option and Stock Awards Granted in Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 0 |  |  |  |
PEO | James Reuter [Member] | Value of Dividends or other Earnings Paid on Stock or Option Awards Not Otherwise Reflected in Fair Value or Total Compensation [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 0 |  |  |  |
Non-PEO NEO | Grant Date Fair Value of Option Awards and Stock Awards Granted in Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | (458,314) |  |  |  |
Non-PEO NEO | Fair Value at Year End of Outstanding and Unvested Option and Stock Awards Granted in Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 543,996 |  |  |  |
Non-PEO NEO | Change in Fair Value of Outstanding and Unvested Option and Stock Awards Granted in Year Prior Fiscal Years [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | (114,869) |  |  |  |
Non-PEO NEO | Fair Value at Vesting of Option and Stock Awards Granted in Year That Vested During Fiscal Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 0 |  |  |  |
Non-PEO NEO | Change in Fair Value as of Vesting Date of Option and Stock Awards Granted in Prior Fiscal Years for Which Applicable Vesting Conditions were Satisfied During Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | (14,849) |  |  |  |
Non-PEO NEO | Fair Value at Fiscal Year End of Outstanding and Unvested Option and Stock Awards Granted in Year [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |  |
Non-PEO NEO | Value of Dividends or other Earnings Paid on Stock or Option Awards Not Otherwise Reflected in Fair Value or Total Compensation [Member] |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |
Adjustment to Compensation, Amount |  | $ 0 |  |  |  |
[1] | (2) For the year ended December 31, 2024, the non-PEO NEOs were Marcy D. Mutch, Lorrie F. Asker, Kirk D. Jensen, and Kristina R. Robbins. For the year ended December 31, 2023, the non-PEO NEOs were Marcy D. Mutch, Kirk D. Jensen, Lorrie F. Asker, Kristina R. Robbins, Ashley Hayslip, and Scott E. Erkonen. For the year ended December 31, 2022, the non-PEO NEOs were Marcy D. Mutch, Jodi Delahunt Hubbell, Kirk D. Jensen, Karlyn M. Knieriem, Scott E. Erkonen, and Russell A. Lee. For the year ended December 31, 2021, the non-PEO NEOs were Marcy D. Mutch, Jodi Delahunt Hubbell, Russell A. Lee, and Kirk D. Jensen. For the year ended December 31, 2020, the non-PEO NEOs were Marcy D. Mutch, Jodi Delahunt Hubbell, Russell A. Lee, and Renee L. Newman.
[2] | (3) Adjustments to total compensation in the Summary Compensation Table (“SCT”), reported in columns (b) and (d), to calculate CAP, reported in columns (c) and (e) for 2024, include:
[3] | (1) For the year ended December 31, 2024, Kevin P. Riley served as our PEO until November 1, 2024 when James A. Reuter became our President and CEO. Kevin P. Riley was the PEO for each of the years ended December 31, 2023, 2022, 2021, and 2020.

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