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Non Purchased Loans - (Details 3) - Non purchased loans and leases - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2017 | Mar. 31, 2016
Investment and interest income recognized on impaired loans |  |
Average Recorded Investment | $ 29,234 | $ 29,858
Interest Income Recognized | 171 | 206
Commercial, financial, agricultural |  |
Investment and interest income recognized on impaired loans |  |
Average Recorded Investment | 2,714 | 318
Interest Income Recognized | 39 | 2
Lease financing |  |
Investment and interest income recognized on impaired loans |  |
Average Recorded Investment | 0 | 0
Interest Income Recognized | 0 | 0
Real estate – construction |  |
Investment and interest income recognized on impaired loans |  |
Average Recorded Investment | 0 | 0
Interest Income Recognized | 0 | 0
Real estate – 1-4 family mortgage |  |
Investment and interest income recognized on impaired loans |  |
Average Recorded Investment | 11,088 | 14,442
Interest Income Recognized | 26 | 81
Real estate – commercial mortgage |  |
Investment and interest income recognized on impaired loans |  |
Average Recorded Investment | 15,314 | 15,031
Interest Income Recognized | 106 | 122
Installment loans to individuals |  |
Investment and interest income recognized on impaired loans |  |
Average Recorded Investment | 118 | 67
Interest Income Recognized | $ 0 | $ 1

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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5258-111524 + Details
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