| Schedule of plan's investment assets at fair value |
| | Level 1 | | Level 2 | | Level 3 | | Total | | December 31, 2025 | | | | | | | | | | | | | | Mutual funds | | $ | 66,904,627 | | $ | — | | $ | — | | $ | 66,904,927 | | Common Stock of BHB | | | 4,335,091 | | | — | | | — | | | 4,335,091 | | Investments at fair value | | | 71,239,718 | | | — | | | — | | | 71,239,718 | | Common Collective Trust (a) | | | — | | | — | | | — | | | 1,697,248 | | Total Investments at fair value | | $ | 71,239,718 | | $ | — | | $ | — | | $ | 72,936,966 | | | | | | | | | | | | | | | | December 31, 2024 | | | | | | | | | | | | | | Mutual funds | | $ | 55,630,182 | | $ | — | | $ | — | | $ | 55,630,182 | | Common Stock of BHB | | | 4,457,388 | | | — | | | — | | | 4,457,388 | | Investments at fair value | | | 60,087,570 | | | — | | | — | | | 60,087,570 | | Common Collective Trust (a) | | | — | | | — | | | — | | | 2,027,315 | | Total Investments at fair value | | $ | 60,087,570 | | $ | — | | $ | — | | $ | 62,114,885 | |
| (a) | The investment measured at fair value using the NAV per share (or its equivalent) practical expedient has not been classified in the fair value hierarchy. The fair value amount included above is intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statements of net assets available |
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| Schedule of Plan's investments whose fair value is estimated using NAV per share |
Fair Value Estimated Using NAV per Share December 31, 2025 | | | | | | | | | | | Investment | | Fair Value | | Unfunded Commitment | | Redemption Frequency | | Redemption Notice Period | Common Collective Trust: | | | | | | | | | | | Vanguard Retirement Savings Trust III | | $ | 1,697,248 | | $ | — | | Daily | | N/A |
Fair Value Estimated Using NAV per Share December 31, 2024 | | | | | | | | | | | Investment | | Fair Value | | Unfunded Commitment | | Redemption Frequency | | Redemption Notice Period | Common Collective Trust: | | | | | | | | | | | Vanguard Retirement Savings Trust III | | $ | 2,027,315 | | $ | — | | Daily | | N/A |
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