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Pay vs Performance Disclosure | 12 Months Ended
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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 We are required by SEC rules to disclose the following information regarding compensation paid to our Named Executive Officers (“NEOs”). The amounts set forth below under the headings “Compensation Actually Paid to PEO” and “Average Compensation Actually Paid to non-PEO NEOs” have been calculated in a manner consistent with Item 402(v) of Regulation S-K. Footnote (2) below sets forth the adjustments from the Total Compensation as reported in the Summary Compensation Table above. The following table sets forth additional compensation information of our Chief Executive Officer (PEO) and our non-PEO NEOs along with total shareholder return, net income, and return on average equity for fiscal years 2020, 2021 and 2022:
Year | ​ | ​ | Summary Compensation Table (SCT) Total for PEO(1) | ​ | ​ | Compensation actually paid to PEO(1)(2) | ​ | ​ | Average SCT Total for non-PEO NEOs(1) | ​ | ​ | Average Compensation actually paid to non-PEO NEOs(1)(3) | ​ | ​ | Value of Initial Fixed $100 Investment based on: | ​ | ​ | Net income | ​ | ​ | Return on Average Equity
​ | TSR | ​ | ​ | Peer Group TSR(4) | ​
(a) | ​ | ​ | (b) | ​ | ​ | (c) | ​ | ​ | (d) | ​ | ​ | (e) | ​ | ​ | (f) | ​ | ​ | (g) | ​ | ​ | (h) | ​ | ​ | (i)
2022 | ​ | ​ | $1,766,476 | ​ | ​ | $1,634,057 | ​ | ​ | $785,868 | ​ | ​ | $757,815 | ​ | ​ | $92.72 | ​ | ​ | $98.38 | ​ | ​ | 85,030 | ​ | ​ | 13.25%
2021 | ​ | ​ | $2,180,714 | ​ | ​ | $1,977,968 | ​ | ​ | $824,345 | ​ | ​ | $904,843 | ​ | ​ | $96.99 | ​ | ​ | $118.61 | ​ | ​ | 89,264 | ​ | ​ | 12.32%
2020 | ​ | ​ | $3,332,939 | ​ | ​ | $1,052,179 | ​ | ​ | $1,112,990 | ​ | ​ | $565,006 | ​ | ​ | $79.65 | ​ | ​ | $87.24 | ​ | ​ | 77,588 | ​ | ​ | 11.09%
(1) | Mr. Romaine was our principal executive officer (PEO) in 2022, 2021, and 2020. The Named Executive Officers who were used in determining the compensation amounts for 2022, 2021 and 2020 above were as follows:
2022: Messrs. Fetsko, McKenna, Boyce, and Hartz 2021: Messrs. Fetsko, Gruber, McKenna and Boyce 2020: Messrs. Fetsko, Gruber, Boyce and Howard
(2) | To calculate Compensation Actually Paid for the PEO, the following adjustments were made to Summary Compensation Table total compensation, calculated in accordance with the SEC methodology for determining Compensation Actually Paid for each year shown:
| ​ | ​ | Adjustments to PEO Compensation
| ​ | ​ | 2022 | ​ | ​ | 2021 | ​ | ​ | 2020
Summary Comp. Table Total | ​ | ​ | 1,766,476 | ​ | ​ | 2,180,714 | ​ | ​ | 3,332,939
Minus Stock and Option Awards from Summary Comp. Table | ​ | ​ | 504,361 | ​ | ​ | 486,186 | ​ | ​ | 430,123
Minus Aggregate Change in Actuarial Present Value of Benefit under Defined Benefit Plans | ​ | ​ | — | ​ | ​ | 495,202 | ​ | ​ | 1,805,177
Plus Service Cost for Year (Actuarial Present Value of Benefit Attributable to Service for the Year) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Plus Prior Service Cost Due to Amendments During Year | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Plus Year-End Equity Value of Unvested Awards Granted During Year | ​ | ​ | 480,220 | ​ | ​ | 483,928 | ​ | ​ | 478,668
Plus Change in Value of Unvested Awards Granted in Prior Years | ​ | ​ | (99,714) | ​ | ​ | 204,601 | ​ | ​ | (323,872)
Plus Value of Awards Granted and Vested During Year | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Plus Change in Value of Prior Years’ Awards Vested During Year | ​ | ​ | (8,564) | ​ | ​ | 90,112 | ​ | ​ | (200,256)
Minus Value of Performance-Based Awards Forfeited During Year | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Compensation Actually Paid | ​ | ​ | 1,634,057 | ​ | ​ | 1,977,968 | ​ | ​ | 1,052,179
(3) | To calculate average Compensation Actually Paid for the non-PEO NEOs, the following adjustments were made to Summary Compensation Table total compensation, calculated in accordance with the SEC methodology for determining Compensation Actually Paid for each year shown:
| ​ | ​ | Adjustments to non-PEO Compensation
| ​ | ​ | 2022 | ​ | ​ | 2021 | ​ | ​ | 2020
Summary Comp. Table Total | ​ | ​ | 785,868 | ​ | ​ | 824,345 | ​ | ​ | 1,112,990
Minus Stock and Option Awards from Summary Comp. Table | ​ | ​ | 172,228 | ​ | ​ | 165,526 | ​ | ​ | 161,375
Minus Aggregate Change in Actuarial Present Value of Benefit under Defined Benefit Plans | ​ | ​ | — | ​ | ​ | 81,704 | ​ | ​ | 422,791
Plus Service Cost for Year (Actuarial Present Value of Benefit Attributable to Service for the Year) | ​ | ​ | 17,237 | ​ | ​ | 53,139 | ​ | ​ | 34,653
Plus Prior Service Cost Due to Amendments During Year | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Plus Year-End Equity Value of Unvested Awards Granted During Year | ​ | ​ | 163,985 | ​ | ​ | 164,757 | ​ | ​ | 179,589
Plus Change in Value of Unvested Awards Granted in Prior Years | ​ | ​ | (33,791) | ​ | ​ | 73,551 | ​ | ​ | (109,705)
Plus Value of Awards Granted and Vested During Year | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Plus Change in Value of Prior Years’ Awards Vested During Year | ​ | ​ | (3,256) | ​ | ​ | 36,281 | ​ | ​ | (68,353)
Minus Value of Performance-Based Awards Forfeited During Year | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Compensation Actually Paid | ​ | ​ | 757,815 | ​ | ​ | 904,843 | ​ | ​ | 565,006
(4) | For purposes of this disclosure, the peer group is the S&P U.S. BMI Banks Index. Total shareholder return is based on an investment of $100 on December 31, 2019.
Company Selected Measure Name | Return on Average Equity |  |
Named Executive Officers, Footnote [Text Block] |
(1) | Mr. Romaine was our principal executive officer (PEO) in 2022, 2021, and 2020. The Named Executive Officers who were used in determining the compensation amounts for 2022, 2021 and 2020 above were as follows:
2022: Messrs. Fetsko, McKenna, Boyce, and Hartz 2021: Messrs. Fetsko, Gruber, McKenna and Boyce 2020: Messrs. Fetsko, Gruber, Boyce and Howard |  |
Peer Group Issuers, Footnote [Text Block] |
(4) | For purposes of this disclosure, the peer group is the S&P U.S. BMI Banks Index. Total shareholder return is based on an investment of $100 on December 31, 2019.
PEO Total Compensation Amount | $ 1,766,476 | $ 2,180,714 | $ 3,332,939
PEO Actually Paid Compensation Amount | $ 1,634,057 | 1,977,968 | 1,052,179
Adjustment To PEO Compensation, Footnote [Text Block] |
(2) | To calculate Compensation Actually Paid for the PEO, the following adjustments were made to Summary Compensation Table total compensation, calculated in accordance with the SEC methodology for determining Compensation Actually Paid for each year shown:
| ​ | ​ | Adjustments to PEO Compensation
| ​ | ​ | 2022 | ​ | ​ | 2021 | ​ | ​ | 2020
Summary Comp. Table Total | ​ | ​ | 1,766,476 | ​ | ​ | 2,180,714 | ​ | ​ | 3,332,939
Minus Stock and Option Awards from Summary Comp. Table | ​ | ​ | 504,361 | ​ | ​ | 486,186 | ​ | ​ | 430,123
Minus Aggregate Change in Actuarial Present Value of Benefit under Defined Benefit Plans | ​ | ​ | — | ​ | ​ | 495,202 | ​ | ​ | 1,805,177
Plus Service Cost for Year (Actuarial Present Value of Benefit Attributable to Service for the Year) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Plus Prior Service Cost Due to Amendments During Year | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Plus Year-End Equity Value of Unvested Awards Granted During Year | ​ | ​ | 480,220 | ​ | ​ | 483,928 | ​ | ​ | 478,668
Plus Change in Value of Unvested Awards Granted in Prior Years | ​ | ​ | (99,714) | ​ | ​ | 204,601 | ​ | ​ | (323,872)
Plus Value of Awards Granted and Vested During Year | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Plus Change in Value of Prior Years’ Awards Vested During Year | ​ | ​ | (8,564) | ​ | ​ | 90,112 | ​ | ​ | (200,256)
Minus Value of Performance-Based Awards Forfeited During Year | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Compensation Actually Paid | ​ | ​ | 1,634,057 | ​ | ​ | 1,977,968 | ​ | ​ | 1,052,179
Non-PEO NEO Average Total Compensation Amount | $ 785,868 | 824,345 | 1,112,990
Non-PEO NEO Average Compensation Actually Paid Amount | $ 757,815 | 904,843 | 565,006
Adjustment to Non-PEO NEO Compensation Footnote [Text Block] |
(3) | To calculate average Compensation Actually Paid for the non-PEO NEOs, the following adjustments were made to Summary Compensation Table total compensation, calculated in accordance with the SEC methodology for determining Compensation Actually Paid for each year shown:
| ​ | ​ | Adjustments to non-PEO Compensation
| ​ | ​ | 2022 | ​ | ​ | 2021 | ​ | ​ | 2020
Summary Comp. Table Total | ​ | ​ | 785,868 | ​ | ​ | 824,345 | ​ | ​ | 1,112,990
Minus Stock and Option Awards from Summary Comp. Table | ​ | ​ | 172,228 | ​ | ​ | 165,526 | ​ | ​ | 161,375
Minus Aggregate Change in Actuarial Present Value of Benefit under Defined Benefit Plans | ​ | ​ | — | ​ | ​ | 81,704 | ​ | ​ | 422,791
Plus Service Cost for Year (Actuarial Present Value of Benefit Attributable to Service for the Year) | ​ | ​ | 17,237 | ​ | ​ | 53,139 | ​ | ​ | 34,653
Plus Prior Service Cost Due to Amendments During Year | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Plus Year-End Equity Value of Unvested Awards Granted During Year | ​ | ​ | 163,985 | ​ | ​ | 164,757 | ​ | ​ | 179,589
Plus Change in Value of Unvested Awards Granted in Prior Years | ​ | ​ | (33,791) | ​ | ​ | 73,551 | ​ | ​ | (109,705)
Plus Value of Awards Granted and Vested During Year | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Plus Change in Value of Prior Years’ Awards Vested During Year | ​ | ​ | (3,256) | ​ | ​ | 36,281 | ​ | ​ | (68,353)
Minus Value of Performance-Based Awards Forfeited During Year | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Compensation Actually Paid | ​ | ​ | 757,815 | ​ | ​ | 904,843 | ​ | ​ | 565,006
Compensation Actually Paid vs. Total Shareholder Return [Text Block] | The following charts illustrate the relationship between compensation actually paid to the NEOs for 2020, 2021, and 2022, and each of the financial metrics stated therein. |  |
Compensation Actually Paid vs. Net Income [Text Block] | The following charts illustrate the relationship between compensation actually paid to the NEOs for 2020, 2021, and 2022, and each of the financial metrics stated therein. |  |
Compensation Actually Paid vs. Company Selected Measure [Text Block] | The following charts illustrate the relationship between compensation actually paid to the NEOs for 2020, 2021, and 2022, and each of the financial metrics stated therein. |  |
Total Shareholder Return Vs Peer Group [Text Block] | The following charts illustrate the relationship between compensation actually paid to the NEOs for 2020, 2021, and 2022, and each of the financial metrics stated therein. |  |
Tabular List [Table Text Block] | Relationship Between Compensation Actually Paid and 2022 Performance Measures The most important performance metrics used to link compensation actually paid to the NEOs for 2022 to company performance were:
1. | ROAE as ranked in Federal Reserve Board’s BHCPR Peer Group Avg report
2. | Net income
3. | EPS (diluted)
4. | ROA as ranked in Federal Reserve Board’s BHCPR Peer Group Avg report
5. | Total Shareholder Return as compared to the KBW Regional Banking Index
Total Shareholder Return Amount | $ 92.72 | 96.99 | 79.65
Peer Group Total Shareholder Return Amount | 98.38 | 118.61 | 87.24
Net Income (Loss) | $ 85,030,000 | $ 89,264,000 | $ 77,588,000
Company Selected Measure Amount | 0.1325 | 0.1232 | 0.1109
PEO Name | Mr. Romaine | Mr. Romaine | Mr. Romaine
Measure [Axis]: 1 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | ROAE as ranked in Federal Reserve Board’s BHCPR Peer Group Avg report |  |
Measure [Axis]: 2 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Net income |  |
Measure [Axis]: 3 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | EPS (diluted) |  |
Measure [Axis]: 4 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | ROA as ranked in Federal Reserve Board’s BHCPR Peer Group Avg report |  |
Measure [Axis]: 5 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Total Shareholder Return as compared to the KBW Regional Banking Index |  |
PEO [Member] | Stock and Option Awards from Summary Comp. Table [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | $ (504,361) | $ (486,186) | $ (430,123)
PEO [Member] | Aggregate Change in Actuarial Present Value of Benefit under Defined Benefit Plans [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | (495,202) | (1,805,177)
PEO [Member] | Service Cost for Year (Actuarial Present Value of Benefit Attributable to Service for the Year) [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | 0 | 0
PEO [Member] | Prior Service Cost Due to Amendments During Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | 0 | 0
PEO [Member] | Year-End Equity Value of Unvested Awards Granted During Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 480,220 | 483,928 | 478,668
PEO [Member] | Change in Value of Unvested Awards Granted in Prior Years [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (99,714) | 204,601 | (323,872)
PEO [Member] | Value of Awards Granted and Vested During Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | 0 | 0
PEO [Member] | Change in Value of Prior Years' Awards Vested During Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (8,564) | 90,112 | (200,256)
PEO [Member] | Value of Performance-Based Awards Forfeited During Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | 0 | 0
Non-PEO NEO [Member] | Stock and Option Awards from Summary Comp. Table [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (172,228) | (165,526) | (161,375)
Non-PEO NEO [Member] | Aggregate Change in Actuarial Present Value of Benefit under Defined Benefit Plans [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | (81,704) | (422,791)
Non-PEO NEO [Member] | Service Cost for Year (Actuarial Present Value of Benefit Attributable to Service for the Year) [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 17,237 | 53,139 | 34,653
Non-PEO NEO [Member] | Prior Service Cost Due to Amendments During Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | 0 | 0
Non-PEO NEO [Member] | Year-End Equity Value of Unvested Awards Granted During Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 163,985 | 164,757 | 179,589
Non-PEO NEO [Member] | Change in Value of Unvested Awards Granted in Prior Years [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (33,791) | 73,551 | (109,705)
Non-PEO NEO [Member] | Value of Awards Granted and Vested During Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | 0 | 0
Non-PEO NEO [Member] | Change in Value of Prior Years' Awards Vested During Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (3,256) | 36,281 | (68,353)
Non-PEO NEO [Member] | Value of Performance-Based Awards Forfeited During Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | $ 0 | $ 0 | $ 0

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