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Loans Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | $ 19,057 | $ 17,216 | $ 18,586 | $ 17,012 |
Charge-offs | (264) | (305) | (634) | (575) |
Recoveries | 218 | 109 | 313 | 225 |
Provision | 629 | 422 | 1,375 | 780 |
Allowance for Loan Losses, Ending Balance | 19,640 | 17,442 | 19,640 | 17,442 |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |  |  |
Allowance for loan losses - Loans Individually Evaluated for Impairment | 185 | 146 | 185 | 146 | $ 106
Allowance for loan losses - Loans Collectively Evaluated for Impairment | 19,455 | 17,296 | 19,455 | 17,296 | 18,480
Ending Loan Balance - Individually Evaluated for Impairment | 2,492 | 2,859 | 2,492 | 2,859 | 3,683
Ending Loan Balance - Collectively Evaluated for Impairment | 2,055,370 | 1,875,773 | 2,055,370 | 1,875,773 | 1,947,087
Commercial |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 1,119 | 939 | 1,873 | 1,017 |
Charge-offs | 0 | (23) | (16) | (39) |
Recoveries | 0 | 5 | 0 | 12 |
Provision | (175) | 4 | (913) | (65) |
Allowance for Loan Losses, Ending Balance | 944 | 925 | 944 | 925 |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |  |  |
Allowance for loan losses - Loans Individually Evaluated for Impairment | 88 | 112 | 88 | 112 | 94
Allowance for loan losses - Loans Collectively Evaluated for Impairment | 856 | 813 | 856 | 813 | 1,779
Ending Loan Balance - Individually Evaluated for Impairment | 489 | 503 | 489 | 503 | 489
Ending Loan Balance - Collectively Evaluated for Impairment | 118,392 | 125,756 | 118,392 | 125,756 | 128,760
Commercial Real Estate Portfolio Segment |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 5,412 | 5,449 | 4,504 | 5,677 |
Charge-offs | 0 | 0 | 0 | 0 |
Recoveries | 3 | 0 | 12 | 0 |
Provision | 423 | (466) | 1,322 | (694) |
Allowance for Loan Losses, Ending Balance | 5,838 | 4,983 | 5,838 | 4,983 |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |  |  |
Allowance for loan losses - Loans Individually Evaluated for Impairment | 44 | 0 | 44 | 0 | 2
Allowance for loan losses - Loans Collectively Evaluated for Impairment | 5,794 | 4,983 | 5,794 | 4,983 | 4,502
Ending Loan Balance - Individually Evaluated for Impairment | 813 | 1,178 | 813 | 1,178 | 1,537
Ending Loan Balance - Collectively Evaluated for Impairment | 463,580 | 440,631 | 463,580 | 440,631 | 442,711
Consumer Loans Financing |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 8,019 | 6,702 | 7,604 | 6,120 |
Charge-offs | (248) | (277) | (595) | (530) |
Recoveries | 215 | 104 | 301 | 213 |
Provision | 351 | 776 | 1,027 | 1,502 |
Allowance for Loan Losses, Ending Balance | 8,337 | 7,305 | 8,337 | 7,305 |
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 | 8,337 | 7,305 | 8,337 | 7,305 | 7,604
Ending Loan Balance - Individually Evaluated for Impairment | 110 | 88 | 110 | 88 | 95
Ending Loan Balance - Collectively Evaluated for Impairment | 661,798 | 578,666 | 661,798 | 578,666 | 602,732
Residential |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |  |  |
Allowance for Loan Losses, Beginning Balance | 4,507 | 4,126 | 4,605 | 4,198 |
Charge-offs | (16) | (5) | (23) | (6) |
Recoveries | 0 | 0 | 0 | 0 |
Provision | 30 | 108 | (61) | 37 |
Allowance for Loan Losses, Ending Balance | 4,521 | 4,229 | 4,521 | 4,229 |
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] |  |  |  |  |
Allowance for loan losses - Loans Individually Evaluated for Impairment | 53 | 34 | 53 | 34 | 10
Allowance for loan losses - Loans Collectively Evaluated for Impairment | 4,468 | 4,195 | 4,468 | 4,195 | 4,595
Ending Loan Balance - Individually Evaluated for Impairment | 1,080 | 1,090 | 1,080 | 1,090 | 1,562
Ending Loan Balance - Collectively Evaluated for Impairment | $ 811,600 | $ 730,720 | $ 811,600 | $ 730,720 | $ 772,884

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 + Details
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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://www.xbrl.org/2003/role/presentationRef -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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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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