Income Taxes (Tables)	12 Months Ended
Income Taxes (Tables)	Dec. 31, 2025
Income Taxes
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	Year ended December 31 (Dollars in thousands) 2025 2024 Current income tax expense Federal $ 1,676 991 State 409 571 Total current income tax expense 2,085 1,562 Deferred income tax (benefit) expense: Federal (102) 473 State (27) (35) Total deferred income tax (benefit) expense (129) 438 Total income tax expense $ 1,956 2,000
Schedule Of Cash Paid For Federal And State Income Taxes [Table Text Block]	Year ended December 31 (Dollars in thousands) 2025 2024 Federal $ 346 725 State - Alabama 330 519 Total 676 1,244
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	2025 2024 Percent of Percent of pre-tax pre-tax (Dollars in thousands) Amount earnings Amount earnings Earnings before income taxes $ 9,211 8,397 Income taxes at U.S. federal statutory rate 1,935 21.0 % 1,763 21.0 % State income taxes, net of federal tax effect (1) 299 3.2 388 4.6 Tax credits: New Markets Tax Credit (2) (58) (0.6) (58) (0.7) Nontaxable or nondeductible items: Tax-exempt interest (203) (2.2) (290) (3.5) Bank-owned life insurance (87) (0.9) (85) (1.0) Return-to-provision adjustment — — 263 3.1 Other 70 0.7 19 0.3 Total income tax expense $ 1,956 21.2 % 2,000 23.8 % (1) State taxes in Alabama made up the majority (greater than 50 percent) of the tax effect in this category. (2) Tax credit investments includes tax credits and the amortization of and projected tax losses from tax credit investments.
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	December 31 (Dollars in thousands) 2025 2024 Deferred tax assets: Allowance for credit losses $ 1,802 1,726 Unrealized loss on securities 6,502 9,929 Accrued bonus 270 207 Right of use liability 39 58 Other 78 99 Total deferred tax assets 8,691 12,019 Deferred tax liabilities: Premises and equipment 1,180 1,212 Originated mortgage servicing rights 194 224 Right of use asset 39 58 Other 384 333 Total deferred tax liabilities 1,797 1,827 Net deferred tax asset $ 6,894 10,192
Schedule of Deferred Tax Asset Rollforward [Table Text Block]	Year ended December 31 (Dollars in thousands) 2025 2024 Net deferred tax asset (liability): Balance, beginning of year $ 10,192 10,252 Cumulative effect of change in accounting standard — 183 Deferred tax expense (benefit) related to continuing operations 129 (438) Stockholders' equity, for accumulated other comprehensive (income) loss (3,427) 195 Balance, end of year $ 6,894 10,192

AUBURN NATIONAL BANCORPORATION, INC 10-K