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Loans Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | $ 19,640 | $ 17,442 | $ 18,586 | $ 17,012 |
Charge-offs | (325) | (622) | (960) | (1,197) |
Recoveries | 102 | 75 | 416 | 300 |
Provision | 586 | 800 | 1,961 | 1,580 |
Allowance for Loan Losses, Ending Balance | 20,003 | 17,695 | 20,003 | 17,695 |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |  |  |
Allowance for loan losses - Loans Individually Evaluated for Impairment | 177 | 138 | 177 | 138 | $ 106
Allowance for loan losses - Loans Collectively Evaluated for Impairment | 19,826 | 17,557 | 19,826 | 17,557 | 18,480
Ending Loan Balance - Individually Evaluated for Impairment | 3,423 | 3,275 | 3,423 | 3,275 | 3,683
Ending Loan Balance - Collectively Evaluated for Impairment | 2,122,677 | 1,905,524 | 2,122,677 | 1,905,524 | 1,947,087
Commercial |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 944 | 925 | 1,873 | 1,017 |
Charge-offs | 0 | 0 | (16) | (2) |
Recoveries | 0 | 1 | 1 | 8 |
Provision | 99 | (46) | (815) | (143) |
Allowance for Loan Losses, Ending Balance | 1,043 | 880 | 1,043 | 880 |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |  |  |
Allowance for loan losses - Loans Individually Evaluated for Impairment | 84 | 104 | 84 | 104 | 94
Allowance for loan losses - Loans Collectively Evaluated for Impairment | 959 | 776 | 959 | 776 | 1,779
Ending Loan Balance - Individually Evaluated for Impairment | 489 | 489 | 489 | 489 | 489
Ending Loan Balance - Collectively Evaluated for Impairment | 126,623 | 124,871 | 126,623 | 124,871 | 128,760
Commercial Real Estate Portfolio Segment |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 5,838 | 4,983 | 4,504 | 5,677 |
Charge-offs | 0 | (342) | 0 | (342) |
Recoveries | 0 | 0 | 12 | 0 |
Provision | 81 | 446 | 1,403 | (248) |
Allowance for Loan Losses, Ending Balance | 5,919 | 5,087 | 5,919 | 5,087 |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |  |  |
Allowance for loan losses - Loans Individually Evaluated for Impairment | 45 | 0 | 45 | 0 | 2
Allowance for loan losses - Loans Collectively Evaluated for Impairment | 5,874 | 5,087 | 5,874 | 5,087 | 4,502
Ending Loan Balance - Individually Evaluated for Impairment | 812 | 1,543 | 812 | 1,543 | 1,537
Ending Loan Balance - Collectively Evaluated for Impairment | 469,310 | 439,172 | 469,310 | 439,172 | 442,711
Consumer Loans Financing |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 8,337 | 7,305 | 7,604 | 6,120 |
Charge-offs | (300) | (280) | (895) | (847) |
Recoveries | 102 | 74 | 403 | 292 |
Provision | 551 | 509 | 1,578 | 2,043 |
Allowance for Loan Losses, Ending Balance | 8,690 | 7,608 | 8,690 | 7,608 |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |  |  |
Allowance for loan losses - Loans Individually Evaluated for Impairment | 0 | 0 | 0 | 0 | 0
Allowance for loan losses - Loans Collectively Evaluated for Impairment | 8,690 | 7,608 | 8,690 | 7,608 | 7,604
Ending Loan Balance - Individually Evaluated for Impairment | 109 | 104 | 109 | 104 | 95
Ending Loan Balance - Collectively Evaluated for Impairment | 694,079 | 591,925 | 694,079 | 591,925 | 602,732
Residential |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 4,521 | 4,229 | 4,605 | 4,198 |
Charge-offs | (25) | 0 | (49) | (6) |
Recoveries | 0 | 0 | 0 | 0 |
Provision | (145) | (109) | (205) | (72) |
Allowance for Loan Losses, Ending Balance | 4,351 | 4,120 | 4,351 | 4,120 |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |  |  |
Allowance for loan losses - Loans Individually Evaluated for Impairment | 48 | 34 | 48 | 34 | 10
Allowance for loan losses - Loans Collectively Evaluated for Impairment | 4,303 | 4,086 | 4,303 | 4,086 | 4,595
Ending Loan Balance - Individually Evaluated for Impairment | 2,013 | 1,139 | 2,013 | 1,139 | 1,562
Ending Loan Balance - Collectively Evaluated for Impairment | $ 832,665 | $ 749,556 | $ 832,665 | $ 749,556 | $ 772,884

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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: 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 + Details
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