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Loans and Allowance for Loan Losses (Details 2) - USD ($) $ in Thousands | Sep. 30, 2018 | Jul. 01, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | --- | --- | --- | --- | ---
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment | $ 1,225 |  | $ 1,333 |  |  |
Collectively evaluated for impairment | 10,133 |  | 9,519 |  |  |
Total | 11,358 | $ 11,212 | 10,852 | $ 11,000 | $ 10,545 | $ 9,886
Loans outstanding: |  |  |  |  |  |
Individually evaluated for impairment | 9,305 |  | 10,356 |  |  |
Collectively evaluated for impairment | 1,106,460 |  | 1,058,076 |  |  |
Total | 1,115,765 |  | 1,068,432 |  |  |
Commercial Financial And Agricultural |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment | 381 |  | 500 |  |  |
Collectively evaluated for impairment | 3,105 |  | 2,825 |  |  |
Total | 3,486 | 3,943 | 3,325 | 3,406 | 2,578 | 2,753
Loans outstanding: |  |  |  |  |  |
Individually evaluated for impairment | 2,731 |  | 3,007 |  |  |
Collectively evaluated for impairment | 200,754 |  | 189,231 |  |  |
Total | 203,485 |  | 192,238 |  |  |
Residential Real Estate | Construction |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment | 240 |  | 170 |  |  |
Total | 240 | 201 | 170 | 146 | 70 | 108
Loans outstanding: |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment | 30,374 |  | 26,492 |  |  |
Total | 30,374 |  | 26,492 |  |  |
Residential Real Estate | Mortgage |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment | 657 |  | 521 |  |  |
Collectively evaluated for impairment | 1,684 |  | 1,168 |  |  |
Total | 2,341 | 2,109 | 1,689 | 1,897 | 1,854 | 2,385
Loans outstanding: |  |  |  |  |  |
Individually evaluated for impairment | 5,145 |  | 5,072 |  |  |
Collectively evaluated for impairment | 241,189 |  | 241,682 |  |  |
Total | 246,334 |  | 246,754 |  |  |
Commercial Real Estate | Construction |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 48 |  |  |
Collectively evaluated for impairment | 746 |  | 759 |  |  |
Total | 746 | 905 | 807 | 706 | 615 | 413
Loans outstanding: |  |  |  |  |  |
Individually evaluated for impairment | 158 |  | 97 |  |  |
Collectively evaluated for impairment | 95,648 |  | 98,243 |  |  |
Total | 95,806 |  | 98,340 |  |  |
Commercial Real Estate | Mortgage |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment | 166 |  | 243 |  |  |
Collectively evaluated for impairment | 3,905 |  | 4,194 |  |  |
Total | 4,071 | 3,630 | 4,437 | 4,457 | 4,882 | 3,793
Loans outstanding: |  |  |  |  |  |
Individually evaluated for impairment | 1,028 |  | 2,004 |  |  |
Collectively evaluated for impairment | 505,169 |  | 470,451 |  |  |
Total | 506,197 |  | 472,455 |  |  |
Installment and Other Consumer |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment | 21 |  | 21 |  |  |
Collectively evaluated for impairment | 377 |  | 324 |  |  |
Total | 398 | 413 | 345 | 377 | 376 | 274
Loans outstanding: |  |  |  |  |  |
Individually evaluated for impairment | 243 |  | 176 |  |  |
Collectively evaluated for impairment | 33,326 |  | 31,977 |  |  |
Total | 33,569 |  | 32,153 |  |  |
Unallocated |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment | 76 |  | 79 |  |  |
Total | 76 | $ 11 | 79 | $ 11 | $ 170 | $ 160
Loans outstanding: |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment | 0 |  | 0 |  |  |
Total | $ 0 |  | $ 0 |  |  |

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- Definition 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
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