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Non Purchased Loans - Impaired Loans Recognized (Details) - Non-Purchased - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Impaired loans |  |  |
Recorded Investment With Allowance | $ 21,040 | $ 21,039 |
Recorded Investment With No Allowance | 703 | 568 |
Total Recorded Investment | 21,743 | 21,607 |
Unpaid Principal Balance With Allowance | 25,679 | 26,633 |
Unpaid Principal Balance With no Allowance | 703 | 1,378 |
Total Unpaid Principal Balance | 26,382 | 28,011 |
With Related Allowance | 2,567 | 3,626 |
With No Related Allowance | 0 | 0 |
Related Allowance | 2,567 | 3,626 |
Average Recorded Investment With Related Allowance | 21,287 | 22,206 |
Average Recorded Investment With No Related Allowance | 711 | 1,003 |
Average recorded investment in impaired loans | 21,998 | 23,209 | $ 34,428
Interest Income Recognized With Related Allowance | 544 | 586 |
Interest Income Recognized With No Related Allowance | 29 | 38 |
Interest Income, Total | 573 | 624 |
Commercial, financial, agricultural |  |  |
Impaired loans |  |  |
Recorded Investment With Allowance | 2,365 | 1,175 |
Recorded Investment With No Allowance | 0 | 0 |
Unpaid Principal Balance With Allowance | 3,043 | 1,539 |
Unpaid Principal Balance With no Allowance | 0 | 38 |
With Related Allowance | 138 | 136 |
With No Related Allowance | 0 | 0 |
Average Recorded Investment With Related Allowance | 2,861 | 856 |
Average Recorded Investment With No Related Allowance | 0 | 24 |
Interest Income Recognized With Related Allowance | 47 | 28 |
Interest Income Recognized With No Related Allowance | 0 | 0 |
Lease financing |  |  |
Impaired loans |  |  |
Recorded Investment With Allowance | 159 | 0 |
Recorded Investment With No Allowance | 0 | 0 |
Unpaid Principal Balance With Allowance | 159 | 0 |
Unpaid Principal Balance With no Allowance | 0 | 0 |
With Related Allowance | 2 | 0 |
With No Related Allowance | 0 | 0 |
Average Recorded Investment With Related Allowance | 159 | 0 |
Average Recorded Investment With No Related Allowance | 0 | 0 |
Interest Income Recognized With Related Allowance | 0 | 0 |
Interest Income Recognized With No Related Allowance | 0 | 0 |
Real estate – construction |  |  |
Impaired loans |  |  |
Recorded Investment With Allowance | 578 | 517 |
Recorded Investment With No Allowance | 0 | 0 |
Unpaid Principal Balance With Allowance | 578 | 517 |
Unpaid Principal Balance With no Allowance | 0 | 0 |
With Related Allowance | 4 | 1 |
With No Related Allowance | 0 | 0 |
Average Recorded Investment With Related Allowance | 526 | 469 |
Average Recorded Investment With No Related Allowance | 0 | 0 |
Interest Income Recognized With Related Allowance | 29 | 26 |
Interest Income Recognized With No Related Allowance | 0 | 0 |
Real estate – 1-4 family mortgage |  |  |
Impaired loans |  |  |
Recorded Investment With Allowance | 8,169 | 9,207 |
Recorded Investment With No Allowance | 703 | 0 |
Unpaid Principal Balance With Allowance | 9,315 | 10,823 |
Unpaid Principal Balance With no Allowance | 703 | 0 |
With Related Allowance | 561 | 1,091 |
With No Related Allowance | 0 | 0 |
Average Recorded Investment With Related Allowance | 8,295 | 9,603 |
Average Recorded Investment With No Related Allowance | 711 | 41 |
Interest Income Recognized With Related Allowance | 259 | 225 |
Interest Income Recognized With No Related Allowance | 29 | 0 |
Real estate – commercial mortgage |  |  |
Impaired loans |  |  |
Recorded Investment With Allowance | 9,652 | 10,053 |
Recorded Investment With No Allowance | 0 | 568 |
Unpaid Principal Balance With Allowance | 12,463 | 13,667 |
Unpaid Principal Balance With no Allowance | 0 | 1,340 |
With Related Allowance | 1,861 | 2,397 |
With No Related Allowance | 0 | 0 |
Average Recorded Investment With Related Allowance | 9,316 | 11,180 |
Average Recorded Investment With No Related Allowance | 0 | 938 |
Interest Income Recognized With Related Allowance | 206 | 305 |
Interest Income Recognized With No Related Allowance | 0 | 38 |
Installment loans to individuals |  |  |
Impaired loans |  |  |
Recorded Investment With Allowance | 117 | 87 |
Recorded Investment With No Allowance | 0 | 0 |
Unpaid Principal Balance With Allowance | 121 | 87 |
Unpaid Principal Balance With no Allowance | 0 | 0 |
With Related Allowance | 1 | 1 |
With No Related Allowance | 0 | 0 |
Average Recorded Investment With Related Allowance | 130 | 98 |
Average Recorded Investment With No Related Allowance | 0 | 0 |
Interest Income Recognized With Related Allowance | 3 | 2 |
Interest Income Recognized With No Related Allowance | $ 0 | $ 0 |

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