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Employee Benefits | 12 Months Ended
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Dec. 31, 2021
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract] |
Pension and Other Postretirement Benefits Disclosure [Text Block] | NOTE 12: EMPLOYEE BENEFIT PLAN The Company sponsors a qualified defined contribution retirement plan, the Auburn National Bancorporation, Inc. 401(k) Plan (the "Plan"). Eligible employees may contribute up to 100% of eligible compensation, subject to statutory limits upon completion of 2 months of service. Furthermore, the Company allows employer Safe Harbor contributions. Participants are immediately vested in employer Safe Harbor contributions. The Company's matching contributions on behalf of participants were equal to $1.00 for each $1.00 contributed by participants, up to 3% of the participants' eligible compensation, and $0.50 for every $1.00 contributed by participants, above 3% up to 5% of the participants' eligible compensation, for a maximum matching contribution of 4% of the participants' eligible compensation. Company matching contributions to the Plan were approximately $ 0.3 million for the years ended December 31, 2021 and 2020, respectively, and are included in salaries and benefits expense.

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