| Year Ended December 31, | ||||||||||||
| (Amounts in thousands) | 2017 | 2016 | 2015 | |||||||||
| Current tax expense (benefit): | ||||||||||||
| Federal | $ | 14,509 | $ | 13,634 | $ | (254 | ) | |||||
| State | 926 | 675 | 581 | |||||||||
| Total current tax expense | 15,435 | 14,309 | 327 | |||||||||
| Deferred tax expense (benefit): | ||||||||||||
| Federal | 5,205 | (1,480 | ) | 10,034 | ||||||||
| State | (12 | ) | (10 | ) | 1,020 | |||||||
| Total deferred tax expense (benefit) | 5,193 | (1,490 | ) | 11,054 | ||||||||
| Total income tax expense | $ | 20,628 | $ | 12,819 | $ | 11,381 | ||||||
| Year Ended December 31, | ||||||||||||||||||||||||
| 2017 | 2016 | 2015 | ||||||||||||||||||||||
| Amount | Percent | Amount | Percent | Amount | Percent | |||||||||||||||||||
| (Amounts in thousands) | ||||||||||||||||||||||||
| Federal income tax at the statutory rate | $ | 14,739 | 35.00 | % | $ | 13,281 | 35.00 | % | $ | 12,572 | 35.00 | % | ||||||||||||
| State income tax, net of federal benefit | 692 | 1.64 | % | 598 | 1.58 | % | 639 | 1.78 | % | |||||||||||||||
15,431 | 36.64 | % | 13,879 | 36.58 | % | 13,211 | 36.78 | % | ||||||||||||||||
| Increase (decrease) resulting from: | ||||||||||||||||||||||||
| Tax-exempt interest income | (1,228 | ) | -2.92 | % | (1,336 | ) | -3.52 | % | (1,463 | ) | -4.07 | % | ||||||||||||
| Nondeductible goodwill | - | 0.00 | % | 340 | 0.89 | % | - | - | ||||||||||||||||
| Bank owned life insurance | (478 | ) | -1.13 | % | (335 | ) | -0.88 | % | (690 | ) | -1.92 | % | ||||||||||||
| Deferred tax revaluation | 6,552 | 15.56 | % | - | 0.00 | % | - | 0.00 | % | |||||||||||||||
| Other items, net | 351 | 0.83 | % | 271 | 0.71 | % | 323 | 0.89 | % | |||||||||||||||
| Income tax at the effective tax rate | $ | 20,628 | 48.98 | % | $ | 12,819 | 33.78 | % | $ | 11,381 | 31.68 | % | ||||||||||||
| December 31, | ||||||||
| (Amounts in thousands) | 2017 | 2016 | ||||||
| Deferred tax assets | ||||||||
| Allowance for loan losses | $ | 4,511 | $ | 6,644 | ||||
| Unrealized losses on available-for-sale securities | - | 326 | ||||||
| Unrealized asset losses | 722 | 913 | ||||||
| Purchase accounting | 3,418 | 5,384 | ||||||
| FDIC assisted transactions | 4,131 | 6,540 | ||||||
| Intangible assets | 2,616 | 4,062 | ||||||
| Deferred compensation assets | 3,617 | 4,669 | ||||||
| Deferred loan fees | 1,221 | 1,979 | ||||||
| Other | 450 | 825 | ||||||
| Total deferred tax assets | 20,686 | 31,342 | ||||||
| Deferred tax liabilities | ||||||||
| FDIC indemnification asset | 8,525 | 11,927 | ||||||
| Fixed assets | 1,282 | 2,042 | ||||||
| Unrealized gains on available-for-sale securities | 259 | - | ||||||
| Odd days interest deferral | 233 | 1,283 | ||||||
| Other | 819 | 347 | ||||||
| Total deferred tax liabilities | 11,118 | 15,599 | ||||||
| Net deferred tax asset | $ | 9,568 | $ | 15,743 | ||||