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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 | 6 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | $ 31,335 | $ 16,353 | $ 31,427 | $ 16,644
Interest Income Recognized | 204 | 104 | 414 | 274
Commercial, financial, agricultural |  |  |  |
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | 5,746 | 2,663 | 5,773 | 2,653
Interest Income Recognized | 9 | 8 | 18 | 19
Lease financing |  |  |  |
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | 88 | 335 | 87 | 335
Interest Income Recognized | 0 | 0 | 0 | 0
Real estate – construction |  |  |  |
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | 9,015 | 0 | 8,986 | 0
Interest Income Recognized | 105 | 0 | 210 | 0
Real estate – 1-4 family mortgage |  |  |  |
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | 10,584 | 7,442 | 10,640 | 7,507
Interest Income Recognized | 51 | 57 | 103 | 123
Real estate – commercial mortgage |  |  |  |
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | 5,812 | 5,807 | 5,851 | 6,041
Interest Income Recognized | 38 | 38 | 81 | 130
Installment loans to individuals |  |  |  |
Investment and interest income recognized on impaired loans |  |  |  |
Average Recorded Investment | 90 | 106 | 90 | 108
Interest Income Recognized | $ 1 | $ 1 | $ 2 | $ 2

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