Loans and Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Allowance for loan losses:
Individually evaluated for impairment	$ 1,333	$ 1,080
Collectively evaluated for impairment	9,519	8,806
Total	10,852	9,886	$ 8,604	$ 9,099
Loans outstanding:
Individually evaluated for impairment	10,356	9,144
Collectively evaluated for impairment	1,058,076	964,885
Total	1,068,432	974,029
Commercial, financial, and agricultural
Allowance for loan losses:
Individually evaluated for impairment	500	469
Collectively evaluated for impairment	2,825	2,284
Total	3,325	2,753	2,153	1,779
Loans outstanding:
Individually evaluated for impairment	3,007	1,617
Collectively evaluated for impairment	189,231	181,264
Total	192,238	182,881
Residential real estate \| Construction
Allowance for loan losses:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	170	108
Total	170	108	59	171
Loans outstanding:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	26,492	18,907
Total	26,492	18,907
Residential real estate \| Mortgages
Allowance for loan losses:
Individually evaluated for impairment	521	319
Collectively evaluated for impairment	1,168	2,066
Total	1,689	2,385	2,439	2,527
Loans outstanding:
Individually evaluated for impairment	5,072	5,471
Collectively evaluated for impairment	241,682	254,429
Total	246,754	259,900
Commercial real estate \| Construction
Allowance for loan losses:
Individually evaluated for impairment	48	7
Collectively evaluated for impairment	759	406
Total	807	413	644	466
Loans outstanding:
Individually evaluated for impairment	97	49
Collectively evaluated for impairment	98,243	55,604
Total	98,340	55,653
Commercial real estate \| Mortgages
Allowance for loan losses:
Individually evaluated for impairment	243	277
Collectively evaluated for impairment	4,194	3,516
Total	4,437	3,793	2,935	3,846
Loans outstanding:
Individually evaluated for impairment	2,004	1,918
Collectively evaluated for impairment	470,451	424,552
Total	472,455	426,470
Installment and other consumer
Allowance for loan losses:
Individually evaluated for impairment	21	8
Collectively evaluated for impairment	324	266
Total	345	274	273	270
Loans outstanding:
Individually evaluated for impairment	176	89
Collectively evaluated for impairment	31,977	30,129
Total	32,153	30,218
Unallocated
Allowance for loan losses:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	79	160
Total	79	160	$ 101	$ 40
Loans outstanding:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	0	0
Total	$ 0	$ 0

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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