XML 58 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 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 about the relationship between executive compensation actually paid and certain financial performance of the Company. For further information concerning the Company’s variable pay-for-performance philosophy and how the Company’s aligns executive compensation with the Company’s performance, refer to “Executive Compensation—Compensation Discussion and Analysis.” The following tables set forth information concerning the compensation of our NEOs for the fiscal years ending December 31, 2020, 2021, and 2022.
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Value of Initial $100 Fixed Investment Based On: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Year (a) | ​ | ​ | ​ | Summary Comp for Principal Executive Officer (PEO) (b)1 | ​ | ​ | ​ | Comp Actually Paid to PEO (c)2 | ​ | ​ | ​ | Average Summary Comp for Other Named Executive Officers (NEOs) (d)3 | ​ | ​ | ​ | Average Comp Actually Paid to Other NEOs (e)4 | ​ | ​ | ​ | Total Shareholder Return (TSR) (f)5 | ​ | ​ | ​ | TSR of Peer Group (g)6 | ​ | ​ | ​ | Net Income (in thousands) (h)7 | ​ | ​ | ​ | Company Selected Measure– Adjusted Return on Assets (i)8 | ​
​ | 2022 | ​ | ​ | ​ | ​ | $ | 1,809,632 | ​ | ​ | ​ | ​ | ​ | $ | 1,889,352 | ​ | ​ | ​ | ​ | ​ | $ | 745,898 | ​ | ​ | ​ | ​ | ​ | $ | 750,137 | ​ | ​ | ​ | ​ | ​ | $ | 142.65 | ​ | ​ | ​ | ​ | ​ | $ | 108.65 | ​ | ​ | ​ | ​ | ​ | $ | 43,557 | ​ | ​ | ​ | ​ | ​ | ​ | 1.17% | ​ | ​
​ | 2021 | ​ | ​ | ​ | ​ | ​ | 1,661,531 | ​ | ​ | ​ | ​ | ​ | ​ | 1,970,250 | ​ | ​ | ​ | ​ | ​ | ​ | 618,349 | ​ | ​ | ​ | ​ | ​ | ​ | 720,925 | ​ | ​ | ​ | ​ | ​ | ​ | 124.33 | ​ | ​ | ​ | ​ | ​ | ​ | 108.25 | ​ | ​ | ​ | ​ | ​ | ​ | 39,299 | ​ | ​ | ​ | ​ | ​ | ​ | 1.10% | ​ | ​
​ | 2020 | ​ | ​ | ​ | ​ | ​ | 1,577,467 | ​ | ​ | ​ | ​ | ​ | ​ | 1,495,406 | ​ | ​ | ​ | ​ | ​ | ​ | 704,049 | ​ | ​ | ​ | ​ | ​ | ​ | 674,936 | ​ | ​ | ​ | ​ | ​ | ​ | 93.93 | ​ | ​ | ​ | ​ | ​ | ​ | 82.00 | ​ | ​ | ​ | ​ | ​ | ​ | 33,244 | ​ | ​ | ​ | ​ | ​ | ​ | 0.93% | ​ | ​
​ | 1. The dollar amounts reported in column (b) are the amounts of total compensation reported for Mr. Simard (our CEO) for each corresponding year in the “Total” column of the Summary Compensation Table. ​ | ​
​ | 2. The dollar amounts reported in column (c) represent the amount of “compensation actually paid” to Mr. Simard, as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual amount of compensation earned by or paid to Mr. Simard during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the following adjustments were made to Mr. Simard’s total compensation for each year to determine the compensation actually paid: ​ | ​
​ | Year | ​ | ​ | ​ | Reported Summary Compensation Table Total for PEO | ​ | ​ | ​ | Reported Value of Equity Awards(a) | ​ | ​ | ​ | Equity Award Adjustments(b) | ​ | ​ | ​ | Compensation Actually Paid to PEO | ​
​ | 2022 | ​ | ​ | ​ | ​ | $ | 1,809,632 | ​ | ​ | ​ | ​ | ​ | $ | (541,994) | ​ | ​ | ​ | ​ | ​ | $ | 621,714 | ​ | ​ | ​ | ​ | ​ | $ | 1,889,352 | ​ | ​
​ | 2021 | ​ | ​ | ​ | ​ | ​ | 1,661,531 | ​ | ​ | ​ | ​ | ​ | ​ | (438,555) | ​ | ​ | ​ | ​ | ​ | ​ | 747,274 | ​ | ​ | ​ | ​ | ​ | ​ | 1,970,250 | ​ | ​
​ | 2020 | ​ | ​ | ​ | ​ | ​ | 1,577,467 | ​ | ​ | ​ | ​ | ​ | ​ | (425,764) | ​ | ​ | ​ | ​ | ​ | ​ | 343,703 | ​ | ​ | ​ | ​ | ​ | ​ | 1,495,406 | ​ | ​
​ | (a) The grant date fair value of equity awards represents the total of the amounts reported in the “Stock Awards” column in the Summary Compensation Table for the applicable year. ​ | ​
​ | (b) The equity award 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 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 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 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. The amounts deducted or added in calculating the equity award adjustments are as follows: ​ | ​
​ | Year | ​ | ​ | ​ | Year End Fair Value of Equity Awards Granted During the Year | ​ | ​ | ​ | Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in the Prior Year | ​ | ​ | ​ | Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year | ​ | ​ | ​ | Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year | ​ | ​ | ​ | Value of Dividends or other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation | ​ | ​ | ​ | Total Equity Award Adjustments | ​
​ | 2022 | ​ | ​ | ​ | ​ | $ | 609,529 | ​ | ​ | ​ | ​ | ​ | $ | 92,097 | ​ | ​ | ​ | ​ | ​ | $ | (79,837) | ​ | ​ | ​ | ​ | ​ | $ | (9,968) | ​ | ​ | ​ | ​ | ​ | $ | 9,893 | ​ | ​ | ​ | ​ | ​ | $ | 621,714 | ​ | ​
​ | 2021 | ​ | ​ | ​ | ​ | ​ | 563,634 | ​ | ​ | ​ | ​ | ​ | ​ | 140,525 | ​ | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​ | 43,115 | ​ | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​ | 747,274 | ​ | ​
​ | 2020 | ​ | ​ | ​ | ​ | ​ | 501,690 | ​ | ​ | ​ | ​ | ​ | ​ | (84,420) | ​ | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​ | (73,567) | ​ | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​ | 343,703 | ​ | ​
​ | 3. The dollar amounts reported in column (d) represent the average of the amounts reported for the Company’s named executive officers (NEOs) as a group (excluding Mr. Simard, who has served as our CEO since 2013) in the “Total” column of the Summary Compensation Table in each applicable year. The names of each of the NEOs (excluding Mr. Simard), including for purposes of calculating the average amounts in each applicable year are as follows: (i) for 2022, Josephine Iannelli, Marion Colombo, John M. Mercier, and Jason Edgar; and (ii) for 2021 and 2020, Josephine Iannelli, Richard B. Maltz, Marion Colombo, and John M. Mercier. ​ | ​
​ | 4. The dollar amounts reported in column (e) represent the average amount of “compensation actually paid” to the NEOs as a group (excluding Mr. Simard), as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual average amount of compensation earned by or paid to the NEOs as a group (excluding Mr. Simard) during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the following adjustments were made to average total compensation for the NEOs as a group (excluding Mr. Simard) for each year to determine the compensation actually paid, using the same methodology described above in Note 2: ​ | ​
​ | Year | ​ | ​ | ​ | Average Reported Summary Compensation Table Total for Non-PEO NEOs | ​ | ​ | ​ | Average Reported Value of Equity Awards (a) | ​ | ​ | ​ | Average Equity Adjustments (b) | ​ | ​ | ​ | Average Compensation Actually Paid to Non-PEO NEOs | ​
​ | 2022 | ​ | ​ | ​ | ​ | $ | 745,898 | ​ | ​ | ​ | ​ | ​ | $ | (155,940) | ​ | ​ | ​ | ​ | ​ | $ | 160,179 | ​ | ​ | ​ | ​ | ​ | $ | 750,137 | ​ | ​
​ | 2021 | ​ | ​ | ​ | ​ | ​ | 618,349 | ​ | ​ | ​ | ​ | ​ | ​ | (99,138) | ​ | ​ | ​ | ​ | ​ | ​ | 201,714 | ​ | ​ | ​ | ​ | ​ | ​ | 720,925 | ​ | ​
​ | 2020 | ​ | ​ | ​ | ​ | ​ | 704,049 | ​ | ​ | ​ | ​ | ​ | ​ | (138,261) | ​ | ​ | ​ | ​ | ​ | ​ | 109,148 | ​ | ​ | ​ | ​ | ​ | ​ | 674,936 | ​ | ​
​ | The amounts deducted or added in calculating the total average equity award adjustments are as follows: | ​
​ | Year | ​ | ​ | Average Year End Fair Value of Equity Awards Granted During the Year | ​ | ​ | Average Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in the Prior Year | ​ | ​ | Average Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year | ​ | ​ | Average Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year | ​ | ​ | Average Value of Dividends or other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation | ​ | ​ | Total Average Equity Award Adjustments | ​
​ | 2022 | ​ | ​ | ​ | $ | 175,371 | ​ | ​ | ​ | ​ | $ | 11,604 | ​ | ​ | ​ | ​ | $ | (28,446) | ​ | ​ | ​ | ​ | $ | (1,196) | ​ | ​ | ​ | ​ | $ | 2,846 | ​ | ​ | ​ | ​ | $ | 160,179 | ​ | ​
​ | 2021 | ​ | ​ | ​ | ​ | 169,883 | ​ | ​ | ​ | ​ | ​ | 19,643 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 12,188 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 201,714 | ​ | ​
​ | 2020 | ​ | ​ | ​ | ​ | 155,730 | ​ | ​ | ​ | ​ | ​ | (12,361) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | (34,221) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 109,148 | ​ | ​
​ | 5. Cumulative TSR is calculated by dividing the sum of the cumulative amount of dividends for the measurement period, assuming dividend reinvestment, and the difference between the Company’s share price at the end and the beginning of the measurement period by the Company’s share price at the beginning of the measurement period. ​ | ​
​ | 6. Represents the weighted peer group TSR, weighted according to the respective companies’ stock market capitalization at the beginning of each period for which a return is indicated. The peer group used for this purpose is the Compensation Peer Group. Our Compensation Peer Group for the 2022 reporting year is disclosed under the heading “Market Benchmarking and Performance Comparisons” and found on page 38 of this proxy statement. Our Compensation Peer Group for the 2021 and 2020 reporting years are disclosed under the heading “Market Benchmarking and Performance Comparisons” on Form DEF14A dated April 1, 2022 and on Form DEF14A dated April 1, 2021, respectively. ​ | ​
​ | 7. The dollar amounts reported represent the amount of net income reflected in the Company’s audited financial statements for the applicable year. ​ | ​
​ | 8. This is a non-GAAP measure that excludes gains or losses on sale of securities, gains or losses on sale of premises and equipment, gains or losses on other real estate owned, losses on extinguishments of debt, acquisition, conversion and other non-recurring expenses, net of tax. ​ | ​
Company Selected Measure Name | Adjusted Return on Assets |  |
Named Executive Officers, Footnote [Text Block] | 3. The dollar amounts reported in column (d) represent the average of the amounts reported for the Company’s named executive officers (NEOs) as a group (excluding Mr. Simard, who has served as our CEO since 2013) in the “Total” column of the Summary Compensation Table in each applicable year. The names of each of the NEOs (excluding Mr. Simard), including for purposes of calculating the average amounts in each applicable year are as follows: (i) for 2022, Josephine Iannelli, Marion Colombo, John M. Mercier, and Jason Edgar; and (ii) for 2021 and 2020, Josephine Iannelli, Richard B. Maltz, Marion Colombo, and John M. Mercier. |  |
Peer Group Issuers, Footnote [Text Block] | 6. Represents the weighted peer group TSR, weighted according to the respective companies’ stock market capitalization at the beginning of each period for which a return is indicated. The peer group used for this purpose is the Compensation Peer Group. Our Compensation Peer Group for the 2022 reporting year is disclosed under the heading “Market Benchmarking and Performance Comparisons” and found on page 38 of this proxy statement. Our Compensation Peer Group for the 2021 and 2020 reporting years are disclosed under the heading “Market Benchmarking and Performance Comparisons” on Form DEF14A dated April 1, 2022 and on Form DEF14A dated April 1, 2021, respectively. |  |
PEO Total Compensation Amount | $ 1,809,632 | $ 1,661,531 | $ 1,577,467
PEO Actually Paid Compensation Amount | $ 1,889,352 | 1,970,250 | 1,495,406
Adjustment To PEO Compensation, Footnote [Text Block] | 2. The dollar amounts reported in column (c) represent the amount of “compensation actually paid” to Mr. Simard, as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual amount of compensation earned by or paid to Mr. Simard during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the following adjustments were made to Mr. Simard’s total compensation for each year to determine the compensation actually paid: ​ ​
​ | Year | ​ | ​ | ​ | Reported Summary Compensation Table Total for PEO | ​ | ​ | ​ | Reported Value of Equity Awards(a) | ​ | ​ | ​ | Equity Award Adjustments(b) | ​ | ​ | ​ | Compensation Actually Paid to PEO | ​
​ | 2022 | ​ | ​ | ​ | ​ | $ | 1,809,632 | ​ | ​ | ​ | ​ | ​ | $ | (541,994) | ​ | ​ | ​ | ​ | ​ | $ | 621,714 | ​ | ​ | ​ | ​ | ​ | $ | 1,889,352 | ​ | ​
​ | 2021 | ​ | ​ | ​ | ​ | ​ | 1,661,531 | ​ | ​ | ​ | ​ | ​ | ​ | (438,555) | ​ | ​ | ​ | ​ | ​ | ​ | 747,274 | ​ | ​ | ​ | ​ | ​ | ​ | 1,970,250 | ​ | ​
​ | 2020 | ​ | ​ | ​ | ​ | ​ | 1,577,467 | ​ | ​ | ​ | ​ | ​ | ​ | (425,764) | ​ | ​ | ​ | ​ | ​ | ​ | 343,703 | ​ | ​ | ​ | ​ | ​ | ​ | 1,495,406 | ​ | ​
​ | (a) The grant date fair value of equity awards represents the total of the amounts reported in the “Stock Awards” column in the Summary Compensation Table for the applicable year. ​ | ​
​ | (b) The equity award 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 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 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 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. The amounts deducted or added in calculating the equity award adjustments are as follows: ​ | ​
​ | Year | ​ | ​ | ​ | Year End Fair Value of Equity Awards Granted During the Year | ​ | ​ | ​ | Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in the Prior Year | ​ | ​ | ​ | Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year | ​ | ​ | ​ | Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year | ​ | ​ | ​ | Value of Dividends or other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation | ​ | ​ | ​ | Total Equity Award Adjustments | ​
​ | 2022 | ​ | ​ | ​ | ​ | $ | 609,529 | ​ | ​ | ​ | ​ | ​ | $ | 92,097 | ​ | ​ | ​ | ​ | ​ | $ | (79,837) | ​ | ​ | ​ | ​ | ​ | $ | (9,968) | ​ | ​ | ​ | ​ | ​ | $ | 9,893 | ​ | ​ | ​ | ​ | ​ | $ | 621,714 | ​ | ​
​ | 2021 | ​ | ​ | ​ | ​ | ​ | 563,634 | ​ | ​ | ​ | ​ | ​ | ​ | 140,525 | ​ | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​ | 43,115 | ​ | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​ | 747,274 | ​ | ​
​ | 2020 | ​ | ​ | ​ | ​ | ​ | 501,690 | ​ | ​ | ​ | ​ | ​ | ​ | (84,420) | ​ | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​ | (73,567) | ​ | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​ | 343,703 | ​ | ​
Non-PEO NEO Average Total Compensation Amount | $ 745,898 | 618,349 | 704,049
Non-PEO NEO Average Compensation Actually Paid Amount | $ 750,137 | 720,925 | 674,936
Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | 4. The dollar amounts reported in column (e) represent the average amount of “compensation actually paid” to the NEOs as a group (excluding Mr. Simard), as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual average amount of compensation earned by or paid to the NEOs as a group (excluding Mr. Simard) during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the following adjustments were made to average total compensation for the NEOs as a group (excluding Mr. Simard) for each year to determine the compensation actually paid, using the same methodology described above in Note 2: ​ ​
​ | Year | ​ | ​ | ​ | Average Reported Summary Compensation Table Total for Non-PEO NEOs | ​ | ​ | ​ | Average Reported Value of Equity Awards (a) | ​ | ​ | ​ | Average Equity Adjustments (b) | ​ | ​ | ​ | Average Compensation Actually Paid to Non-PEO NEOs | ​
​ | 2022 | ​ | ​ | ​ | ​ | $ | 745,898 | ​ | ​ | ​ | ​ | ​ | $ | (155,940) | ​ | ​ | ​ | ​ | ​ | $ | 160,179 | ​ | ​ | ​ | ​ | ​ | $ | 750,137 | ​ | ​
​ | 2021 | ​ | ​ | ​ | ​ | ​ | 618,349 | ​ | ​ | ​ | ​ | ​ | ​ | (99,138) | ​ | ​ | ​ | ​ | ​ | ​ | 201,714 | ​ | ​ | ​ | ​ | ​ | ​ | 720,925 | ​ | ​
​ | 2020 | ​ | ​ | ​ | ​ | ​ | 704,049 | ​ | ​ | ​ | ​ | ​ | ​ | (138,261) | ​ | ​ | ​ | ​ | ​ | ​ | 109,148 | ​ | ​ | ​ | ​ | ​ | ​ | 674,936 | ​ | ​
​ | The amounts deducted or added in calculating the total average equity award adjustments are as follows: | ​
​ | Year | ​ | ​ | Average Year End Fair Value of Equity Awards Granted During the Year | ​ | ​ | Average Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in the Prior Year | ​ | ​ | Average Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year | ​ | ​ | Average Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year | ​ | ​ | Average Value of Dividends or other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation | ​ | ​ | Total Average Equity Award Adjustments | ​
​ | 2022 | ​ | ​ | ​ | $ | 175,371 | ​ | ​ | ​ | ​ | $ | 11,604 | ​ | ​ | ​ | ​ | $ | (28,446) | ​ | ​ | ​ | ​ | $ | (1,196) | ​ | ​ | ​ | ​ | $ | 2,846 | ​ | ​ | ​ | ​ | $ | 160,179 | ​ | ​
​ | 2021 | ​ | ​ | ​ | ​ | 169,883 | ​ | ​ | ​ | ​ | ​ | 19,643 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 12,188 | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 201,714 | ​ | ​
​ | 2020 | ​ | ​ | ​ | ​ | 155,730 | ​ | ​ | ​ | ​ | ​ | (12,361) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | (34,221) | ​ | ​ | ​ | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | 109,148 | ​ | ​
Compensation Actually Paid vs. Total Shareholder Return [Text Block] | PEO and Non-PEO Compensation Actually Paid and TSR and Peer TSR |  |
Compensation Actually Paid vs. Net Income [Text Block] | PEO and Non-PEO Compensation Actually Paid and Net Income |  |
Compensation Actually Paid vs. Company Selected Measure [Text Block] | PEO and Non-PEO Compensation Actually Paid and Adjusted Return on Assets |  |
Tabular List [Table Text Block] | Key Performance Measurements The Company considers the following the most important financial performance measures it used to link executive compensation actually paid to its NEOs, for the most recently completed fiscal year, to company performance: • Net income ​ • Adjusted net income (non-GAAP)8 ​ • Adjusted return on assets (non-GAAP)8 ​ • Adjusted return on equity (non-GAAP)8 ​ • Non-performing loans to total loans ratio ​ • Efficiency ratio 8 |  |
Total Shareholder Return Amount | $ 142.65 | 124.33 | 93.93
Peer Group Total Shareholder Return Amount | 108.65 | 108.25 | 82
Net Income (Loss) | $ 43,557,000 | $ 39,299,000 | $ 33,244,000
Company Selected Measure Amount | 1.17 | 1.1 | 0.93
PEO Name | Mr. Simard | Mr. Simard | Mr. Simard
Measure [Axis]: 1 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Net income |  |
Non-GAAP Measure Description [Text Block] | 8. This is a non-GAAP measure that excludes gains or losses on sale of securities, gains or losses on sale of premises and equipment, gains or losses on other real estate owned, losses on extinguishments of debt, acquisition, conversion and other non-recurring expenses, net of tax. |  |
Measure [Axis]: 2 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Adjusted net income (non-GAAP) |  |
Measure [Axis]: 3 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Adjusted return on assets (non-GAAP) |  |
Measure [Axis]: 4 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Adjusted return on equity (non-GAAP) |  |
Measure [Axis]: 5 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Non-performing loans to total loans ratio |  |
Measure [Axis]: 6 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Efficiency ratio |  |
PEO [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Equity Awards | $ (541,994) | $ (438,555) | $ (425,764)
PEO [Member] | Total Net Adjustments For Equity Awards [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 621,714 | 747,274 | 343,703
PEO [Member] | Year-end Fair Value Of Awards Granted In The Current Fiscal Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 609,529 | 563,634 | 501,690
PEO [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 | 92,097 | 140,525 | (84,420)
PEO [Member] | Adjustments For Equity Awards Failed To Meet Performance Conditions [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (79,837) |  |
PEO [Member] | Change In Fair Value As Of Vesting Date Of Prior Year Awards Vested During Current Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (9,968) | 43,115 | (73,567)
PEO [Member] | Dividends Or Other Earnings Paid On Equity Awards Not Otherwise Reflected In Fair Value [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 9,893 |  |
Non-PEO NEO [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Equity Awards | (155,940) | (99,138) | (138,261)
Non-PEO NEO [Member] | Total Net Adjustments For Equity Awards [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 160,179 | 201,714 | 109,148
Non-PEO NEO [Member] | Year-end Fair Value Of Awards Granted In The Current Fiscal Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 175,371 | 169,883 | 155,730
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 | 11,604 | 19,643 | (12,361)
Non-PEO NEO [Member] | Adjustments For Equity Awards Failed To Meet Performance Conditions [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (28,446) |  |
Non-PEO NEO [Member] | Change In Fair Value As Of Vesting Date Of Prior Year Awards Vested During Current Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (1,196) | $ 12,188 | $ (34,221)
Non-PEO NEO [Member] | Dividends Or Other Earnings Paid On Equity Awards Not Otherwise Reflected In Fair Value [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | $ 2,846 |  |

X
- References No definition available. + Details
Name: | bhb_EquityAwards
Namespace Prefix: | bhb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_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
- 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_MeasureAxis=5
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=6
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

X
- Details
Name: | ecd_AdjToCompAxis=bhb_EquityAwardsAdjustmentsDividendsOrOtherEarningsPaidOnEquityAwardsNotOtherwiseReflectedInFairValueMember
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: |