| December 31, | December 31, | |||||||
| (In Thousands) | 2017 | 2016 | ||||||
| Deferred tax assets: | ||||||||
| Unrealized holding losses on securities: | ||||||||
| Included in accumulated other comprehensive loss | $ | 843 | $ | 512 | ||||
| Included in retained earnings | (337 | ) | 0 | |||||
| Allowance for loan losses | 1,894 | 2,998 | ||||||
| Other deferred tax assets | 1,726 | 2,658 | ||||||
| Total deferred tax assets | 4,126 | 6,168 | ||||||
| Deferred tax liabilities: | ||||||||
| Defined benefit plans - ASC 835: | ||||||||
| Included in accumulated other comprehensive loss | 31 | 27 | ||||||
| Included in retained earnings | (12 | ) | 0 | |||||
| Bank premises and equipment | 751 | 913 | ||||||
| Core deposit intangibles | 3 | 6 | ||||||
| Other deferred tax liabilities | 64 | 105 | ||||||
| Total deferred tax liabilities | 837 | 1,051 | ||||||
| Deferred tax asset, net | $ | 3,289 | $ | 5,117 | ||||
| (In thousands) | 2017 | 2016 | 2015 | |||||||||
| Currently payable | $ | 4,938 | $ | 5,328 | $ | 5,097 | ||||||
| Tax expense resulting from allocations of certain tax benefits to equity or as a reduction in other assets | 63 | 175 | 161 | |||||||||
| Deferred | 2,155 | (156 | ) | 79 | ||||||||
| Total provision | $ | 7,156 | $ | 5,347 | $ | 5,337 | ||||||
| (Amounts in thousands) | 2017 | 2016 | 2015 | |||||||||||||||||||||
| Amount | % | Amount | % | Amount | % | |||||||||||||||||||
| Expected provision | $ | 7,207 | 35.00 | $ | 7,388 | 35.00 | $ | 7,633 | 35.00 | |||||||||||||||
| Tax-exempt interest income | (1,817 | ) | (8.82 | ) | (1,801 | ) | (8.53 | ) | (1,914 | ) | (8.78 | ) | ||||||||||||
| Nondeductible interest expense | 42 | 0.20 | 40 | 0.19 | 51 | 0.23 | ||||||||||||||||||
| Dividends received deduction | (7 | ) | (0.03 | ) | (22 | ) | (0.10 | ) | (75 | ) | (0.34 | ) | ||||||||||||
| Increase in cash surrender value of life insurance | (133 | ) | (0.65 | ) | (134 | ) | (0.63 | ) | (135 | ) | (0.62 | ) | ||||||||||||
| Employee stock option compensation | 8 | 0.04 | 0 | 0.00 | 0 | 0.00 | ||||||||||||||||||
| ESOP Dividends | (154 | ) | (0.75 | ) | 0 | 0.00 | 0 | 0.00 | ||||||||||||||||
| Tax benefit from limited partnership investment | (73 | ) | (0.35 | ) | (76 | ) | (0.36 | ) | (80 | ) | (0.37 | ) | ||||||||||||
| Effect of tax rate change | 2,159 | 10.49 | 0 | 0.00 | 0 | 0.00 | ||||||||||||||||||
| Other, net | (76 | ) | (0.37 | ) | (48 | ) | (0.23 | ) | (143 | ) | (0.66 | ) | ||||||||||||
| Effective income tax provision | $ | 7,156 | 34.75 | $ | 5,347 | 25.33 | $ | 5,337 | 24.47 | |||||||||||||||