XML 15 R2.htm IDEA: XBRL DOCUMENT
v3.23.1

Pay vs Performance Disclosure | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Pay vs Performance Disclosure [Table] |  |  |
Pay vs Performance [Table Text Block] | Pay Versus Performance Pay Versus Performance Table
Year | ​ | ​ | Summary compensation table total for PEO(1) ($) | ​ | ​ | Compensation actually paid to PEO(2) ($) | ​ | ​ | Average summary compensation table total for non-PEO named executive officers(1) ($) | ​ | ​ | Average compensation actually paid to non-PEO named executive officers(2) ($) | ​ | ​ | Value of initial fixed $100 investment based on: | ​ | ​ | Net income(5) ($ Millions) | ​ | ​ | 3-Year Average Growth in Adjusted Earnings per Share(6) | ​
​ | Total shareholder return(3) ($) | ​ | ​ | Peer group total shareholder return(4) ($) | ​
(a) | ​ | ​ | (b) | ​ | ​ | (c) | ​ | ​ | (d) | ​ | ​ | (e) | ​ | ​ | (f) | ​ | ​ | (g) | ​ | ​ | (h) | ​ | ​ | (i) | ​
2022 | ​ | ​ | ​ | ​ | 1,374,051 | ​ | ​ | ​ | ​ | ​ | 1,196,188 | ​ | ​ | ​ | ​ | ​ | 689,558 | ​ | ​ | ​ | ​ | ​ | 629,669 | ​ | ​ | ​ | ​ | ​ | 112.33 | ​ | ​ | ​ | ​ | ​ | 110.78 | ​ | ​ | ​ | ​ | $ | 81,825 | ​ | ​ | ​ | ​ | ​ | 13% | ​ | ​
2021 | ​ | ​ | ​ | ​ | 1,626,579 | ​ | ​ | ​ | ​ | ​ | 1,518,365 | ​ | ​ | ​ | ​ | ​ | 801,437 | ​ | ​ | ​ | ​ | ​ | 732,650 | ​ | ​ | ​ | ​ | ​ | 114.58 | ​ | ​ | ​ | ​ | ​ | 129.96 | ​ | ​ | ​ | ​ | $ | 84,137 | ​ | ​ | ​ | ​ | ​ | 18% | ​ | ​
2020 | ​ | ​ | ​ | ​ | 1,370,874 | ​ | ​ | ​ | ​ | ​ | 1,122,181 | ​ | ​ | ​ | ​ | ​ | 626,800 | ​ | ​ | ​ | ​ | ​ | 531,450 | ​ | ​ | ​ | ​ | ​ | 95.22 | ​ | ​ | ​ | ​ | ​ | 92.90 | ​ | ​ | ​ | ​ | $ | 62,210 | ​ | ​ | ​ | ​ | ​ | 10% | ​ | ​
​ (1) Amounts represent “Summary Compensation Table” totals for our principal executive officers, or PEOs, and the average “Summary Compensation Table” totals for our remaining NEOs for the relevant fiscal year, which includes the individuals indicated in the table below for each fiscal year: ​
Year | ​ | ​ | PEO | ​ | ​ | Non-PEO NEOS | ​
2022 | ​ | ​ | D. Neil Dauby | ​ | ​ | Bradley M. Rust, Randall L. Braun, Keith A. Leinenbach, Amy D. Jackson and Clay M. Barrett | ​
2021 | ​ | ​ | Mark A. Schroeder | ​ | ​ | D. Neil Dauby, Bradley M. Rust, Randall L. Braun and Keith A. Leinenbach | ​
2020 | ​ | ​ | Mark A. Schroeder | ​ | ​ | D. Neil Dauby, Clay W. Ewing, Bradley M. Rust, Randall L. Braun and Keith A. Leinenbach | ​
​ (2) Amounts represent compensation actually paid to our PEOs and the average compensation actually paid to our remaining NEOs for the relevant fiscal year, as determined under SEC rules (and described below), which includes the individuals indicated in the table in footnote (1) above. ​ The table below provides the adjustments to the Summary Compensation Table (“SCT”) total compensation made to arrive at the compensation actually paid for the PEO and the average for Non-PEO NEOs:
​ | ​ | ​ | Fiscal Year (“FY”) 2022 | ​ | ​ | FY 2021 | ​ | ​ | FY 2020 | ​
Description | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​
Deduct the amounts reported in the SCT for “stock awards” ​(column (e)) and “option awards” ​(column (f)) | ​ | ​ | ​ | ​ | (403,122) | ​ | ​ | ​ | ​ | ​ | (168,145) | ​ | ​ | ​ | ​ | ​ | (421,906) | ​ | ​ | ​ | ​ | ​ | (187,585) | ​ | ​ | ​ | ​ | ​ | (358,801) | ​ | ​ | ​ | ​ | ​ | (141,882) | ​ | ​
Add the fair value (“FV”) as of the end of the applicable FY of all awards granted during such FY that are outstanding and unvested as of the end of the FY | ​ | ​ | ​ | ​ | 227,679 | ​ | ​ | ​ | ​ | ​ | 106,946 | ​ | ​ | ​ | ​ | ​ | 286,776 | ​ | ​ | ​ | ​ | ​ | 105,899 | ​ | ​ | ​ | ​ | ​ | 116,742 | ​ | ​ | ​ | ​ | ​ | 46,736 | ​ | ​
Add/Deduct the change as of the end of the applicable FY (from the end of the prior FY) in FV of any awards granted in any prior FY that are outstanding and unvested as of the end of such FY | ​ | ​ | ​ | ​ | (3,367) | ​ | ​ | ​ | ​ | ​ | (1,908) | ​ | ​ | ​ | ​ | ​ | 10,390 | ​ | ​ | ​ | ​ | ​ | 3,725 | ​ | ​ | ​ | ​ | ​ | (1,796) | ​ | ​ | ​ | ​ | ​ | (744) | ​ | ​
Add, for awards that are granted and vest in the same year, the FV as of the vesting date | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Add/Deduct the change as of the vesting date (from the end of the prior FY) in FV of any awards granted in any prior FY for which all applicable vesting conditions were satisfied at the end of or during the applicable FY | ​ | ​ | ​ | ​ | 947 | ​ | ​ | ​ | ​ | ​ | 557 | ​ | ​ | ​ | ​ | ​ | 16,526 | ​ | ​ | ​ | ​ | ​ | 5,979 | ​ | ​ | ​ | ​ | ​ | (4,838) | ​ | ​ | ​ | ​ | ​ | (1,994) | ​ | ​
Subtract, for any awards granted in any prior FY that fail to meet the applicable vesting conditions during the applicable FY, the amount equal to the FV at the end of the prior FY | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | ​ | ​ | Fiscal Year (“FY”) 2022 | ​ | ​ | FY 2021 | ​ | ​ | FY 2020 | ​
Description | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​
Add any dividends or other earnings paid on stock or option awards in the applicable FY prior to the vesting date that are not otherwise included in the total compensation for such FY | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Deduct aggregate change in the Actuarial Present Values reported under the “Change in Pension Value” Column of the SCT | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 2,660 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 3,195 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 2,532 | ​ | ​
Add, for all pension plans reported in the SCT, the aggregate of Service Cost and Prior Service Cost | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Total | ​ | ​ | ​ | ​ | (177,863) | ​ | ​ | ​ | ​ | ​ | (59,889) | ​ | ​ | ​ | ​ | ​ | (108,214) | ​ | ​ | ​ | ​ | ​ | (68,786) | ​ | ​ | ​ | ​ | ​ | (248,693) | ​ | ​ | ​ | ​ | ​ | (95,351) | ​ | ​
​
​ (3) For the relevant fiscal year, represents the cumulative total shareholder return (“TSR”) of German American Bancorp, Inc. for the measurement periods ending on December 31 of each of 2022, 2021 and 2020, respectively. ​ (4) For the relevant fiscal year, represents the cumulative TSR of the S&P Regional Banks Select Industry Index (“Peer Group TSR”) for the measurement periods ending on December 31 of each of 2022, 2021 and 2020, respectively. ​ (5) Reflects “Net Income” in the company’s Consolidated Income Statements included in the Company’s Annual Reports on Form 10-K for each of the years ended December 31, 2022, 2021 and 2020. ​ (6) The Company-Selected Measure is 3-Year Average Growth in Adjusted Earnings per Share. This measure is the average of the Company’s annual growth in adjusted EPS for each year in the 3-year period ending with the listed fiscal year. Adjusted EPS is a non-GAAP measure. For 2022, the Company’s annual GAAP net income (which is the basis for EPS) was adjusted to eliminate the after-tax impact of certain non-recurring expenses resulting from its merger with CUB, which the Company and its Board of Directors consider as being unrepresentative of the Company’s core operating performance including. |  |
Company Selected Measure Name | 3-Year Average Growth in Adjusted Earnings per Share |  |
Named Executive Officers, Footnote [Text Block] | (1) Amounts represent “Summary Compensation Table” totals for our principal executive officers, or PEOs, and the average “Summary Compensation Table” totals for our remaining NEOs for the relevant fiscal year, which includes the individuals indicated in the table below for each fiscal year: ​
Year | ​ | ​ | PEO | ​ | ​ | Non-PEO NEOS | ​
2022 | ​ | ​ | D. Neil Dauby | ​ | ​ | Bradley M. Rust, Randall L. Braun, Keith A. Leinenbach, Amy D. Jackson and Clay M. Barrett | ​
2021 | ​ | ​ | Mark A. Schroeder | ​ | ​ | D. Neil Dauby, Bradley M. Rust, Randall L. Braun and Keith A. Leinenbach | ​
2020 | ​ | ​ | Mark A. Schroeder | ​ | ​ | D. Neil Dauby, Clay W. Ewing, Bradley M. Rust, Randall L. Braun and Keith A. Leinenbach | ​
Peer Group Issuers, Footnote [Text Block] | (3) For the relevant fiscal year, represents the cumulative total shareholder return (“TSR”) of German American Bancorp, Inc. for the measurement periods ending on December 31 of each of 2022, 2021 and 2020, respectively. ​ (4) For the relevant fiscal year, represents the cumulative TSR of the S&P Regional Banks Select Industry Index (“Peer Group TSR”) for the measurement periods ending on December 31 of each of 2022, 2021 and 2020, respectively. |  |
PEO Total Compensation Amount | $ 1,374,051 | $ 1,626,579 | $ 1,370,874
PEO Actually Paid Compensation Amount | $ 1,196,188 | 1,518,365 | 1,122,181
Adjustment To PEO Compensation, Footnote [Text Block] | (2) Amounts represent compensation actually paid to our PEOs and the average compensation actually paid to our remaining NEOs for the relevant fiscal year, as determined under SEC rules (and described below), which includes the individuals indicated in the table in footnote (1) above. ​ The table below provides the adjustments to the Summary Compensation Table (“SCT”) total compensation made to arrive at the compensation actually paid for the PEO and the average for Non-PEO NEOs:
​ | ​ | ​ | Fiscal Year (“FY”) 2022 | ​ | ​ | FY 2021 | ​ | ​ | FY 2020 | ​
Description | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​
Deduct the amounts reported in the SCT for “stock awards” ​(column (e)) and “option awards” ​(column (f)) | ​ | ​ | ​ | ​ | (403,122) | ​ | ​ | ​ | ​ | ​ | (168,145) | ​ | ​ | ​ | ​ | ​ | (421,906) | ​ | ​ | ​ | ​ | ​ | (187,585) | ​ | ​ | ​ | ​ | ​ | (358,801) | ​ | ​ | ​ | ​ | ​ | (141,882) | ​ | ​
Add the fair value (“FV”) as of the end of the applicable FY of all awards granted during such FY that are outstanding and unvested as of the end of the FY | ​ | ​ | ​ | ​ | 227,679 | ​ | ​ | ​ | ​ | ​ | 106,946 | ​ | ​ | ​ | ​ | ​ | 286,776 | ​ | ​ | ​ | ​ | ​ | 105,899 | ​ | ​ | ​ | ​ | ​ | 116,742 | ​ | ​ | ​ | ​ | ​ | 46,736 | ​ | ​
Add/Deduct the change as of the end of the applicable FY (from the end of the prior FY) in FV of any awards granted in any prior FY that are outstanding and unvested as of the end of such FY | ​ | ​ | ​ | ​ | (3,367) | ​ | ​ | ​ | ​ | ​ | (1,908) | ​ | ​ | ​ | ​ | ​ | 10,390 | ​ | ​ | ​ | ​ | ​ | 3,725 | ​ | ​ | ​ | ​ | ​ | (1,796) | ​ | ​ | ​ | ​ | ​ | (744) | ​ | ​
Add, for awards that are granted and vest in the same year, the FV as of the vesting date | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Add/Deduct the change as of the vesting date (from the end of the prior FY) in FV of any awards granted in any prior FY for which all applicable vesting conditions were satisfied at the end of or during the applicable FY | ​ | ​ | ​ | ​ | 947 | ​ | ​ | ​ | ​ | ​ | 557 | ​ | ​ | ​ | ​ | ​ | 16,526 | ​ | ​ | ​ | ​ | ​ | 5,979 | ​ | ​ | ​ | ​ | ​ | (4,838) | ​ | ​ | ​ | ​ | ​ | (1,994) | ​ | ​
Subtract, for any awards granted in any prior FY that fail to meet the applicable vesting conditions during the applicable FY, the amount equal to the FV at the end of the prior FY | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | ​ | ​ | Fiscal Year (“FY”) 2022 | ​ | ​ | FY 2021 | ​ | ​ | FY 2020 | ​
Description | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​
Add any dividends or other earnings paid on stock or option awards in the applicable FY prior to the vesting date that are not otherwise included in the total compensation for such FY | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Deduct aggregate change in the Actuarial Present Values reported under the “Change in Pension Value” Column of the SCT | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 2,660 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 3,195 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 2,532 | ​ | ​
Add, for all pension plans reported in the SCT, the aggregate of Service Cost and Prior Service Cost | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Total | ​ | ​ | ​ | ​ | (177,863) | ​ | ​ | ​ | ​ | ​ | (59,889) | ​ | ​ | ​ | ​ | ​ | (108,214) | ​ | ​ | ​ | ​ | ​ | (68,786) | ​ | ​ | ​ | ​ | ​ | (248,693) | ​ | ​ | ​ | ​ | ​ | (95,351) | ​ | ​
​
Non-PEO NEO Average Total Compensation Amount | $ 689,558 | 801,437 | 626,800
Non-PEO NEO Average Compensation Actually Paid Amount | $ 629,669 | 732,650 | 531,450
Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | (2) Amounts represent compensation actually paid to our PEOs and the average compensation actually paid to our remaining NEOs for the relevant fiscal year, as determined under SEC rules (and described below), which includes the individuals indicated in the table in footnote (1) above. ​ The table below provides the adjustments to the Summary Compensation Table (“SCT”) total compensation made to arrive at the compensation actually paid for the PEO and the average for Non-PEO NEOs:
​ | ​ | ​ | Fiscal Year (“FY”) 2022 | ​ | ​ | FY 2021 | ​ | ​ | FY 2020 | ​
Description | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​
Deduct the amounts reported in the SCT for “stock awards” ​(column (e)) and “option awards” ​(column (f)) | ​ | ​ | ​ | ​ | (403,122) | ​ | ​ | ​ | ​ | ​ | (168,145) | ​ | ​ | ​ | ​ | ​ | (421,906) | ​ | ​ | ​ | ​ | ​ | (187,585) | ​ | ​ | ​ | ​ | ​ | (358,801) | ​ | ​ | ​ | ​ | ​ | (141,882) | ​ | ​
Add the fair value (“FV”) as of the end of the applicable FY of all awards granted during such FY that are outstanding and unvested as of the end of the FY | ​ | ​ | ​ | ​ | 227,679 | ​ | ​ | ​ | ​ | ​ | 106,946 | ​ | ​ | ​ | ​ | ​ | 286,776 | ​ | ​ | ​ | ​ | ​ | 105,899 | ​ | ​ | ​ | ​ | ​ | 116,742 | ​ | ​ | ​ | ​ | ​ | 46,736 | ​ | ​
Add/Deduct the change as of the end of the applicable FY (from the end of the prior FY) in FV of any awards granted in any prior FY that are outstanding and unvested as of the end of such FY | ​ | ​ | ​ | ​ | (3,367) | ​ | ​ | ​ | ​ | ​ | (1,908) | ​ | ​ | ​ | ​ | ​ | 10,390 | ​ | ​ | ​ | ​ | ​ | 3,725 | ​ | ​ | ​ | ​ | ​ | (1,796) | ​ | ​ | ​ | ​ | ​ | (744) | ​ | ​
Add, for awards that are granted and vest in the same year, the FV as of the vesting date | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Add/Deduct the change as of the vesting date (from the end of the prior FY) in FV of any awards granted in any prior FY for which all applicable vesting conditions were satisfied at the end of or during the applicable FY | ​ | ​ | ​ | ​ | 947 | ​ | ​ | ​ | ​ | ​ | 557 | ​ | ​ | ​ | ​ | ​ | 16,526 | ​ | ​ | ​ | ​ | ​ | 5,979 | ​ | ​ | ​ | ​ | ​ | (4,838) | ​ | ​ | ​ | ​ | ​ | (1,994) | ​ | ​
Subtract, for any awards granted in any prior FY that fail to meet the applicable vesting conditions during the applicable FY, the amount equal to the FV at the end of the prior FY | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
​ | ​ | ​ | Fiscal Year (“FY”) 2022 | ​ | ​ | FY 2021 | ​ | ​ | FY 2020 | ​
Description | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​ | ​ | PEO ($) | ​ | ​ | Average for Non-PEO NEOs ($) | ​
Add any dividends or other earnings paid on stock or option awards in the applicable FY prior to the vesting date that are not otherwise included in the total compensation for such FY | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Deduct aggregate change in the Actuarial Present Values reported under the “Change in Pension Value” Column of the SCT | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 2,660 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 3,195 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 2,532 | ​ | ​
Add, for all pension plans reported in the SCT, the aggregate of Service Cost and Prior Service Cost | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | — | ​ | ​
Total | ​ | ​ | ​ | ​ | (177,863) | ​ | ​ | ​ | ​ | ​ | (59,889) | ​ | ​ | ​ | ​ | ​ | (108,214) | ​ | ​ | ​ | ​ | ​ | (68,786) | ​ | ​ | ​ | ​ | ​ | (248,693) | ​ | ​ | ​ | ​ | ​ | (95,351) | ​ | ​
​
Compensation Actually Paid vs. Total Shareholder Return [Text Block] | Relationship Between PEO and Non-PEO NEOs Compensation Actually Paid and Company Total Shareholder Return (“TSR”) 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 three most recently completed fiscal years. |  |
Compensation Actually Paid vs. Net Income [Text Block] | Relationship Between PEO and Non-PEO NEOs Compensation Actually Paid and 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 three most recently completed fiscal years. |  |
Compensation Actually Paid vs. Company Selected Measure [Text Block] | Relationship Between PEO and Non-PEO NEOs Compensation Actually Paid and 3-Year Average Growth in Adjusted Earnings per Share 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 3-Year Average Growth in Adjusted Earnings per Share during each of the three most recently completed fiscal years. |  |
Total Shareholder Return Vs Peer Group [Text Block] | Relationship Between Company TSR and Peer Group TSR The following chart compares our cumulative TSR over the three most recently completed fiscal years to that of the S&P Regional Banks Select Industry Index over the same period. |  |
Tabular List [Table Text Block] | Tabular List of Important Financial Measures The most important financial performance measures used by the Company in 2022 to set the compensation for its principal executive officer, or PEO (i.e., our President and Chief Executive Officer), and all of its non-PEO Named Executive Officers are listed below: • 3-Year Average Growth in Adjusted Earnings per Share. ​ • 3-Year Average Adjusted Return on Average Equity. ​ • 3-Year Average Adjusted Return on Average Assets. ​ • Net Income. |  |
Total Shareholder Return Amount | $ 112.33 | 114.58 | 95.22
Peer Group Total Shareholder Return Amount | 110.78 | 129.96 | 92.9
Net Income (Loss) | $ 81,825,000,000 | $ 84,137,000,000 | $ 62,210,000,000
Company Selected Measure Amount | 13 | 18 | 10
PEO Name | D. Neil Dauby | Mark A. Schroeder | Mark A. Schroeder
Measure [Axis]: 1 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | 3-Year Average Growth in Adjusted Earnings per Share |  |
Non-GAAP Measure Description [Text Block] | (6) The Company-Selected Measure is 3-Year Average Growth in Adjusted Earnings per Share. This measure is the average of the Company’s annual growth in adjusted EPS for each year in the 3-year period ending with the listed fiscal year. Adjusted EPS is a non-GAAP measure. For 2022, the Company’s annual GAAP net income (which is the basis for EPS) was adjusted to eliminate the after-tax impact of certain non-recurring expenses resulting from its merger with CUB, which the Company and its Board of Directors consider as being unrepresentative of the Company’s core operating performance including. |  |
Measure [Axis]: 2 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | 3-Year Average Adjusted Return on Average Equity. |  |
Measure [Axis]: 3 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | 3-Year Average Adjusted Return on Average Assets |  |
Measure [Axis]: 4 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Net Income |  |
D. Neil Dauby [Member] | Stock Awards & Stock Options [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | $ (403,122) |  |
D. Neil Dauby [Member] | Change In Fair Value Of Outstanding And Unvested Awards Granted As Of The End Of The FY [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 227,679 |  |
D. Neil Dauby [Member] | Total Equity Awards Adjustments [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (177,863) |  |
D. Neil Dauby [Member] | Change In Fair Value Of Outstanding And Unvested Awards Granted In Prior Fiscal Years [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (3,367) |  |
D. Neil Dauby [Member] | Change As Of The Vesting Date In Fair Value Of Awards Granted In Any Prior Fiscal Year For Which Vesting Conditions Were Satisfied During Such Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 947 |  |
Mark A. Schroeder [Member] | Stock Awards & Stock Options [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount |  | $ (421,906) | $ (358,801)
Mark A. Schroeder [Member] | Change In Fair Value Of Outstanding And Unvested Awards Granted As Of The End Of The FY [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount |  | 286,776 | 116,742
Mark A. Schroeder [Member] | Total Equity Awards Adjustments [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount |  | (108,214) | (248,693)
Mark A. Schroeder [Member] | Change In Fair Value Of Outstanding And Unvested Awards Granted In Prior Fiscal Years [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount |  | 10,390 | (1,796)
Mark A. Schroeder [Member] | Change As Of The Vesting Date In Fair Value Of Awards Granted In Any Prior Fiscal Year For Which Vesting Conditions Were Satisfied During Such Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount |  | 16,526 | (4,838)
Non-PEO NEO [Member] | Stock Awards & Stock Options [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (168,145) | (187,585) | (141,882)
Non-PEO NEO [Member] | Change In Fair Value Of Outstanding And Unvested Awards Granted As Of The End Of The FY [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 106,946 | 105,899 | 46,736
Non-PEO NEO [Member] | Total Equity Awards Adjustments [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (59,889) | (68,786) | (95,351)
Non-PEO NEO [Member] | Change In Fair Value Of Outstanding And Unvested Awards Granted In Prior Fiscal Years [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (1,908) | 3,725 | (744)
Non-PEO NEO [Member] | Change As Of The Vesting Date In Fair Value Of Awards Granted In Any Prior Fiscal Year For Which Vesting Conditions Were Satisfied During Such Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 557 | 5,979 | (1,994)
Non-PEO NEO [Member] | Change In Pension Value [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | $ (2,660) | $ (3,195) | $ (2,532)

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToNonPeoNeoCompFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToPeoCompFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_CoSelectedMeasureAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_CoSelectedMeasureName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph iii + Details
Name: | ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph ii + Details
Name: | ecd_CompActuallyPaidVsNetIncomeTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph i + Details
Name: | ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_MeasureName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_NamedExecutiveOfficersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_NonGaapMeasureDescriptionTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_NonPeoNeoAvgCompActuallyPaidAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_NonPeoNeoAvgTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupIssuersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupTotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_PeoActuallyPaidCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_PeoName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_PeoTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTable
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 6 + Details
Name: | ecd_TabularListTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_TotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph iv + Details
Name: | ecd_TotalShareholderRtnVsPeerGroupTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22595-107794 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 65 -Paragraph 1 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=124431353&loc=SL124452729-227067 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(5)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iv)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iii)(A)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(i)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(i)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22663-107794 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iv)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756 Reference 17: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(ii)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22583-107794 Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60B -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126958026&loc=SL5780133-109256 Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22658-107794 Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669619-108580 Reference 25: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8924-108599 Reference 26: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 11 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794 Reference 27: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 11 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794 Reference 28: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760 Reference 29: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669625-108580 Reference 30: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 31: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(5)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756 Reference 32: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(B)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756 Reference 33: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(A)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756 Reference 34: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599 Reference 35: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ecd_MeasureAxis=1
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=2
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=3
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=4
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=gabc_DNeilDaubyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=gabc_StockAwardsStockOptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=gabc_EquityAwardsAdjustmentsChangeInFairValueAsOfYearEndOfOutstandingAndUnvestedAwardsGrantedAsOfTheEndOfTheFYMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=gabc_EquityAwardsAdjustmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=gabc_EquityAwardsAdjustmentsChangeInFairValueAsOfYearEndOfOutstandingAndUnvestedAwardsGrantedInPriorYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=gabc_EquityAwardsAdjustmentsChangeAsOfTheVestingDateInFairValueOfAwardsGrantedInAnyPriorFiscalYearForWhichVestingConditionsWereSatisfiedDuringSuchYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=gabc_MarkASchroederMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_ExecutiveCategoryAxis=ecd_NonPeoNeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=gabc_ChangeInPensionValueAndEquityAwardValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |