| Years ended December 31, | ||||||||||||
| 20 17 | 20 16 | 20 15 | ||||||||||
| Current | $ | 2,943 | $ | 3,934 | $ | 4,730 | ||||||
| Deferred expense | 1,790 | 18 | 10 | |||||||||
| Deferred tax adjustment for enacted change in tax rate | 1,560 | | --- | --- | ||||||||
| Total income tax expense | $ | 6,293 | $ | 3,952 | $ | 4,740 | ||||||
| Years ended December 31, | ||||||||||||
| 20 17 | 20 16 | 20 15 | ||||||||||
| Computed “expected” income tax expense | $ | 7,135 | $ | 6,613 | $ | 7,201 | ||||||
| Tax impact of enacted change in tax rate | 1,560 | | --- | --- | ||||||||
| Tax-exempt interest income | (2,144 | ) | (2,234 | ) | (2,381 | ) | ||||||
| Nondeductible interest expense | 89 | 92 | 101 | |||||||||
| Other, net | (347 | ) | (519 | ) | (181 | ) | ||||||
| Reported income tax expense | $ | 6,293 | $ | 3,952 | $ | 4,740 | ||||||
| December 31, | ||||||||
| 20 17 | 20 16 | |||||||
| Deferred tax assets: | ||||||||
| Allowance for loan losses and unearned fee income | $ | 1,773 | $ | 3,347 | ||||
| Valuation allowance on other real estate owned | 156 | 237 | ||||||
| Defined benefit plan | 1,592 | 2,730 | ||||||
| Deferred compensation and other liabilities | 863 | 1,336 | ||||||
| Discount accretion of securities | --- | 15 | ||||||
| Net unrealized loss on securities available for sale | 984 | 1,932 | ||||||
| Total deferred tax assets | $ | 5,368 | $ | 9,597 | ||||
| Deferred tax liabilities: | ||||||||
| Fixed assets | $ | (388 | ) | $ | (620 | ) | ||
| Deposit intangibles | (1,059 | ) | (1,573 | ) | ||||
| Defined benefit plan, prepaid portion | (1,579 | ) | (1,345 | ) | ||||
| Discount accretion of securities | (2 | ) | ||||||
| Total deferred tax liabilities | (3,028 | ) | (3,538 | ) | ||||
| Net deferred tax asset s | $ | 2,340 | $ | 6,059 | ||||