Loans - Impaired Financing Receivables, Excluding PCI Loans and Valuation Allowances (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Recorded Investment
Total	$ 38,132	$ 30,291
Unpaid Principal Balance
Total	44,407	35,519
Related Valuation Allowance
Total	2,073	2,402
Construction and land development
Recorded Investment
Impaired Loans with No Related Allowance Recorded	204	223
Impaired Loans with an Allowance Recorded	224	251
Total	428	474
Unpaid Principal Balance
Impaired Loans with No Related Allowance Recorded	484	510
Impaired Loans with an Allowance Recorded	238	264
Total	722	774
Related Valuation Allowance
Impaired Loans with No Related Allowance Recorded	0	0
Impaired Loans with an Allowance Recorded	24	23
Total	24	23
Commercial real estate
Recorded Investment
Impaired Loans with No Related Allowance Recorded	2,549	3,475
Impaired Loans with an Allowance Recorded	13,116	4,780
Total	15,665	8,255
Unpaid Principal Balance
Impaired Loans with No Related Allowance Recorded	3,764	4,873
Impaired Loans with an Allowance Recorded	13,144	4,780
Total	16,908	9,653
Related Valuation Allowance
Impaired Loans with No Related Allowance Recorded	0	0
Impaired Loans with an Allowance Recorded	525	195
Total	525	195
Residential real estate
Recorded Investment
Impaired Loans with No Related Allowance Recorded	13,847	10,272
Impaired Loans with an Allowance Recorded	6,820	8,448
Total	20,667	18,720
Unpaid Principal Balance
Impaired Loans with No Related Allowance Recorded	18,352	15,063
Impaired Loans with an Allowance Recorded	7,014	8,651
Total	25,366	23,714
Related Valuation Allowance
Impaired Loans with No Related Allowance Recorded	0	0
Impaired Loans with an Allowance Recorded	933	1,091
Total	933	1,091
Commercial and financial
Recorded Investment
Impaired Loans with No Related Allowance Recorded	0	19
Impaired Loans with an Allowance Recorded	933	2,436
Total	933	2,455
Unpaid Principal Balance
Impaired Loans with No Related Allowance Recorded	0	29
Impaired Loans with an Allowance Recorded	927	883
Total	927	912
Related Valuation Allowance
Impaired Loans with No Related Allowance Recorded	0	0
Impaired Loans with an Allowance Recorded	550	1,050
Total	550	1,050
Consumer
Recorded Investment
Impaired Loans with No Related Allowance Recorded	172	105
Impaired Loans with an Allowance Recorded	267	282
Total	439	387
Unpaid Principal Balance
Impaired Loans with No Related Allowance Recorded	211	180
Impaired Loans with an Allowance Recorded	273	286
Total	484	466
Related Valuation Allowance
Impaired Loans with No Related Allowance Recorded	0	0
Impaired Loans with an Allowance Recorded	41	43
Total	$ 41	$ 43

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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