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Loans (Details 3) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016
Allowance for loan losses |  |  |  |  |
Beginning balance | $ 11,319 | $ 9,390 | $ 10,852 | $ 8,978 | $ 8,978
Provision for loan losses | 950 | 990 | 2,000 | 1,770 | 0
Loans charged off | (725) | (819) | (1,668) | (1,397) |
Recoveries | 202 | 159 | 562 | 369 |
Ending balance | 11,746 | 9,720 | 11,746 | 9,720 | 10,852
Commercial real estate |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Beginning balance | 3,638 | 3,181 | 3,577 | 3,127 | 3,127
Provision for loan losses | 365 | 335 | 442 | 378 |
Loans charged off | (67) | (307) | (207) | (307) |
Recoveries | 18 | 1 | 142 | 12 |
Ending balance | 3,954 | 3,210 | 3,954 | 3,210 | 3,577
Commercial |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Beginning balance | 1,846 | 1,452 | 1,874 | 1,373 | 1,373
Provision for loan losses | 198 | 212 | 215 | 276 |
Loans charged off | (113) | (37) | (215) | (37) |
Recoveries | 5 | 7 | 62 | 22 |
Ending balance | 1,936 | 1,634 | 1,936 | 1,634 | 1,874
Residential real estate |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Beginning balance | 2,321 | 1,914 | 2,205 | 1,845 | 1,845
Provision for loan losses | 5 | 196 | 114 | 271 |
Loans charged off | (36) | (44) | (42) | (78) |
Recoveries | 20 | 15 | 33 | 43 |
Ending balance | 2,310 | 2,081 | 2,310 | 2,081 | 2,205
Consumer |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Beginning balance | 2,813 | 2,218 | 2,766 | 2,160 | 2,160
Provision for loan losses | 464 | 521 | 1,040 | 967 |
Loans charged off | (509) | (431) | (1,204) | (975) |
Recoveries | 159 | 136 | 325 | 292 |
Ending balance | 2,927 | 2,444 | 2,927 | 2,444 | 2,766
Unallocated |  |  |  |  |
Allowance for loan losses |  |  |  |  |
Beginning balance | 701 | 625 | 430 | 473 | 473
Provision for loan losses | (82) | (274) | 189 | (122) |
Loans charged off | 0 | 0 | 0 | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Ending balance | $ 619 | $ 351 | $ 619 | $ 351 | $ 430

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