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Allowance for Loan Losses (Tables) | 3 Months Ended
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Mar. 31, 2018
Receivables [Abstract] |
Allowance by Impairment Methodology and Loans by Impairment Methodology | The following tables present, as of March 31, 2018, December 31, 2017 and March 31, 2017, the total allowance for loan losses, the allowance by impairment methodology, and loans by impairment methodology (in thousands):
| March 31, 2018
| Construction and Land Development |  | Secured by 1-4 Family Residential |  | Other Real Estate |  | Commercial and Industrial |  | Consumer and Other Loans |  | Total
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |
Beginning Balance, December 31, 2017 | $ | 414 |  |  | $ | 775 |  |  | $ | 2,948 |  |  | $ | 418 |  |  | $ | 771 |  |  | $ | 5,326 |
Charge-offs | — |  |  | (2 | ) |  | — |  |  | (8 | ) |  | (196 | ) |  | (206 | )
Recoveries | — |  |  | 3 |  |  | 1 |  |  | 1 |  |  | 47 |  |  | 52 |
Provision for (recovery of) loan losses | (18 | ) |  | 2 |  |  | 18 |  |  | 40 |  |  | 58 |  |  | 100 |
Ending Balance, March 31, 2018 | $ | 396 |  |  | $ | 778 |  |  | $ | 2,967 |  |  | $ | 451 |  |  | $ | 680 |  |  | $ | 5,272 |
Ending Balance: |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Collectively evaluated for impairment | 396 |  |  | 778 |  |  | 2,967 |  |  | 451 |  |  | 680 |  |  | 5,272 |
Loans: |  |  |  |  |  |  |  |  |  |  |
Ending Balance | $ | 33,941 |  |  | $ | 208,338 |  |  | $ | 222,352 |  |  | $ | 39,253 |  |  | $ | 17,052 |  |  | $ | 520,936 |
Individually evaluated for impairment | 874 |  |  | 1,332 |  |  | 1,263 |  |  | 61 |  |  | — |  |  | 3,530 |
Collectively evaluated for impairment | 33,067 |  |  | 207,006 |  |  | 221,089 |  |  | 39,192 |  |  | 17,052 |  |  | 517,406 |
| December 31, 2017
| Construction and Land Development |  | Secured by 1-4 Family Residential |  | Other Real Estate |  | Commercial and Industrial |  | Consumer and Other Loans |  | Total
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |
Beginning Balance, December 31, 2016 | $ | 441 |  |  | $ | 1,019 |  |  | $ | 3,142 |  |  | $ | 380 |  |  | $ | 339 |  |  | $ | 5,321 |
Charge-offs | — |  |  | (126 | ) |  | — |  |  | — |  |  | (607 | ) |  | (733 | )
Recoveries | 11 |  |  | 302 |  |  | 50 |  |  | 10 |  |  | 265 |  |  | 638 |
Provision for (recovery of) loan losses | (38 | ) |  | (420 | ) |  | (244 | ) |  | 28 |  |  | 774 |  |  | 100 |
Ending Balance, December 31, 2017 | $ | 414 |  |  | $ | 775 |  |  | $ | 2,948 |  |  | $ | 418 |  |  | $ | 771 |  |  | $ | 5,326 |
Ending Balance: |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Collectively evaluated for impairment | 414 |  |  | 775 |  |  | 2,948 |  |  | 418 |  |  | 771 |  |  | 5,326 |
Loans: |  |  |  |  |  |  |  |  |  |  |
Ending Balance | $ | 35,927 |  |  | $ | 208,177 |  |  | $ | 222,256 |  |  | $ | 38,763 |  |  | $ | 17,078 |  |  | $ | 522,201 |
Individually evaluated for impairment | 1,150 |  |  | 1,307 |  |  | 1,289 |  |  | 65 |  |  | — |  |  | 3,811 |
Collectively evaluated for impairment | 34,777 |  |  | 206,870 |  |  | 220,967 |  |  | 38,698 |  |  | 17,078 |  |  | 518,390 |
| March 31, 2017
| Construction and Land Development |  | Secured by 1-4 Family Residential |  | Other Real Estate |  | Commercial and Industrial |  | Consumer and Other Loans |  | Total
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |
Beginning Balance, December 31, 2016 | $ | 441 |  |  | $ | 1,019 |  |  | $ | 3,142 |  |  | $ | 380 |  |  | $ | 339 |  |  | $ | 5,321 |
Charge-offs | — |  |  | — |  |  | — |  |  | — |  |  | (106 | ) |  | (106 | )
Recoveries | 1 |  |  | 128 |  |  | 47 |  |  | 5 |  |  | 55 |  |  | 236 |
Provision for (recovery of) loan losses | 39 |  |  | (187 | ) |  | 78 |  |  | (10 | ) |  | 80 |  |  | — |
Ending Balance, March 31, 2017 | $ | 481 |  |  | $ | 960 |  |  | $ | 3,267 |  |  | $ | 375 |  |  | $ | 368 |  |  | $ | 5,451 |
Ending Balance: |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment | — |  |  | 31 |  |  | — |  |  | — |  |  | — |  |  | 31 |
Collectively evaluated for impairment | 481 |  |  | 929 |  |  | 3,267 |  |  | 375 |  |  | 368 |  |  | 5,420 |
Loans: |  |  |  |  |  |  |  |  |  |  |
Ending Balance | $ | 36,024 |  |  | $ | 205,623 |  |  | $ | 216,591 |  |  | $ | 29,192 |  |  | $ | 10,340 |  |  | $ | 497,770 |
Individually evaluated for impairment | 2,022 |  |  | 1,443 |  |  | 977 |  |  | 71 |  |  | — |  |  | 4,513 |
Collectively evaluated for impairment | 34,002 |  |  | 204,180 |  |  | 215,614 |  |  | 29,121 |  |  | 10,340 |  |  | 493,257 |
Impaired Loans and Related Allowance | Impaired loans and the related allowance at March 31, 2018, December 31, 2017 and March 31, 2017, were as follows (in thousands):
| March 31, 2018
| Unpaid Principal Balance |  | Recorded Investment with No Allowance |  | Recorded Investment with Allowance |  | Total Recorded Investment |  | Related Allowance |  | Average Recorded Investment |  | Interest Income Recognized
Real estate loans: |  |  |  |  |  |  |  |  |  |  |  |  |
Construction and land development | $ | 992 |  |  | $ | 874 |  |  | $ | — |  |  | $ | 874 |  |  | $ | — |  |  | $ | 1,257 |  |  | $ | 13 |
Secured by 1-4 family | 1,417 |  |  | 1,332 |  |  | — |  |  | 1,332 |  |  | — |  |  | 1,299 |  |  | 15 |
Other real estate loans | 1,464 |  |  | 1,263 |  |  | — |  |  | 1,263 |  |  | — |  |  | 1,274 |  |  | 19 |
Commercial and industrial | 74 |  |  | 61 |  |  | — |  |  | 61 |  |  | — |  |  | 64 |  |  | 1 |
Total | $ | 3,947 |  |  | $ | 3,530 |  |  | $ | — |  |  | $ | 3,530 |  |  | $ | — |  |  | $ | 3,894 |  |  | $ | 48 |
| December 31, 2017
| Unpaid Principal Balance |  | Recorded Investment with No Allowance |  | Recorded Investment with Allowance |  | Total Recorded Investment |  | Related Allowance |  | Average Recorded Investment |  | Interest Income Recognized
Real estate loans: |  |  |  |  |  |  |  |  |  |  |  |  |
Construction and land development | $ | 1,627 |  |  | $ | 1,150 |  |  | $ | — |  |  | $ | 1,150 |  |  | $ | — |  |  | $ | 1,814 |  |  | $ | 63 |
Secured by 1-4 family | 1,387 |  |  | 1,307 |  |  | — |  |  | 1,307 |  |  | — |  |  | 1,637 |  |  | 64 |
Other real estate loans | 1,483 |  |  | 1,289 |  |  | — |  |  | 1,289 |  |  | — |  |  | 1,137 |  |  | 95 |
Commercial and industrial | 78 |  |  | 65 |  |  | — |  |  | 65 |  |  | — |  |  | 68 |  |  | 10 |
Total | $ | 4,575 |  |  | $ | 3,811 |  |  | $ | — |  |  | $ | 3,811 |  |  | $ | — |  |  | $ | 4,656 |  |  | $ | 232 |
| March 31, 2017
| Unpaid Principal Balance |  | Recorded Investment with No Allowance |  | Recorded Investment with Allowance |  | Total Recorded Investment |  | Related Allowance |  | Average Recorded Investment |  | Interest Income Recognized
Real estate loans: |  |  |  |  |  |  |  |  |  |  |  |  |
Construction and land development | $ | 2,455 |  |  | $ | 2,022 |  |  | $ | — |  |  | $ | 2,022 |  |  | $ | — |  |  | $ | 1,922 |  |  | $ | 13 |
Secured by 1-4 family | 1,469 |  |  | 1,358 |  |  | 85 |  |  | 1,443 |  |  | 31 |  |  | 1,781 |  |  | 16 |
Other real estate loans | 1,206 |  |  | 977 |  |  | — |  |  | 977 |  |  | — |  |  | 980 |  |  | 19 |
Commercial and industrial | 89 |  |  | 71 |  |  | — |  |  | 71 |  |  | — |  |  | 73 |  |  | 1 |
Total | $ | 5,219 |  |  | $ | 4,428 |  |  | $ | 85 |  |  | $ | 4,513 |  |  | $ | 31 |  |  | $ | 4,756 |  |  | $ | 49 |

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