Non Purchased Loans - Impaired Loans (Details) - Non purchased loans and leases - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Impaired loans
Unpaid Contractual Principal Balance	$ 20,044	$ 26,382
Recorded Investment With Allowance	14,147	21,040
Recorded Investment With No Allowance	1,316	703
Total Recorded Investment	15,463	21,743
Related Allowance	1,393	2,567
Commercial, financial, agricultural
Impaired loans
Unpaid Contractual Principal Balance	2,634	3,043
Recorded Investment With Allowance	2,319	2,365
Recorded Investment With No Allowance	0	0
Total Recorded Investment	2,319	2,365
Related Allowance	376	138
Lease financing
Impaired loans
Unpaid Contractual Principal Balance	335	159
Recorded Investment With Allowance	335	159
Recorded Investment With No Allowance	0	0
Total Recorded Investment	335	159
Related Allowance	4	2
Real estate – construction
Impaired loans
Unpaid Contractual Principal Balance	0	578
Recorded Investment With Allowance	0	578
Recorded Investment With No Allowance	0	0
Total Recorded Investment	0	578
Related Allowance	0	4
Real estate – 1-4 family mortgage
Impaired loans
Unpaid Contractual Principal Balance	8,065	10,018
Recorded Investment With Allowance	6,935	8,169
Recorded Investment With No Allowance	0	703
Total Recorded Investment	6,935	8,872
Related Allowance	64	561
Real estate – commercial mortgage
Impaired loans
Unpaid Contractual Principal Balance	8,901	12,463
Recorded Investment With Allowance	4,454	9,652
Recorded Investment With No Allowance	1,316	0
Total Recorded Investment	5,770	9,652
Related Allowance	948	1,861
Installment loans to individuals
Impaired loans
Unpaid Contractual Principal Balance	109	121
Recorded Investment With Allowance	104	117
Recorded Investment With No Allowance	0	0
Total Recorded Investment	104	117
Related Allowance	$ 1	$ 1

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524

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- References

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Amount of allowance for credit losses related to recorded investment.

+ 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 (a)(3)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

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+ 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 (a)(4)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

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