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Non Purchased Loans - Investment and Interest Income Recognized on Impaired Loans (Details) - Non purchased loans and leases - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | $ 40,858 | $ 26,216 | $ 40,517 | $ 26,688
Interest Income Recognized | 207 | 142 | 620 | 433
Commercial, financial, agricultural |  |  |  |
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | 5,705 | 1,979 | 5,656 | 2,204
Interest Income Recognized | 5 | 11 | 23 | 31
Lease financing |  |  |  |
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | 0 | 0 | 0 | 0
Interest Income Recognized | 0 | 0 | 0 | 0
Real estate – construction |  |  |  |
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | 12,128 | 9,725 | 11,756 | 9,621
Interest Income Recognized | 111 | 42 | 321 | 109
Real estate – 1-4 family mortgage |  |  |  |
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | 12,203 | 8,136 | 12,323 | 8,388
Interest Income Recognized | 50 | 51 | 153 | 174
Real estate – commercial mortgage |  |  |  |
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | 10,692 | 6,258 | 10,652 | 6,354
Interest Income Recognized | 41 | 37 | 122 | 117
Installment loans to individuals |  |  |  |
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | 130 | 118 | 130 | 121
Interest Income Recognized | $ 0 | $ 1 | $ 1 | $ 2

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