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Loans and Allowance for Credit Losses (Allowance for Credit Losses on Financing Receivables) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Allowance for credit losses: |  |
Beginning balance | $ 10,343 | $ 9,781
Charge-offs | (210) | (527)
Recoveries | 185 | 175
Net charge-offs | (25) | (352)
Provision | 100 | 489
Ending balance | 10,418 | 9,918
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |
Allowance for credit losses: |  |
Beginning balance | 2,662 | 2,460
Charge-offs |  | (379)
Recoveries | 3 | 9
Net charge-offs | 3 | (370)
Provision | (8) | 451
Ending balance | 2,657 | 2,541
Residential Portfolio Segment [Member] |  |
Allowance for credit losses: |  |
Beginning balance | 2,353 | 2,284
Charge-offs | (123) | (138)
Recoveries | 8 | 13
Net charge-offs | (115) | (125)
Provision | 195 | 200
Ending balance | 2,433 | 2,359
Commercial Real Estate Portfolio Segment [Member] |  |
Allowance for credit losses: |  |
Beginning balance | 3,077 | 2,594
Recoveries | 99 | 10
Net charge-offs | 99 | 10
Provision | (119) | 39
Ending balance | 3,057 | 2,643
Commercial Portfolio Segment [Member] |  |
Allowance for credit losses: |  |
Beginning balance | 1,949 | 2,241
Charge-offs | (81) |
Recoveries | 75 | 143
Net charge-offs | (6) | 143
Provision | 66 | (226)
Ending balance | 2,009 | 2,158
Consumer Portfolio Segment [Member] |  |
Allowance for credit losses: |  |
Beginning balance | 302 | 202
Charge-offs | (6) | (10)
Net charge-offs | (6) | (10)
Provision | (34) | 25
Ending balance | $ 262 | $ 217

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- Definition Financing receivable allowance for credit losses recoveries charge-off net. + References No definition available. + Details
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- Definition Loans and leases receivable allowances abstract + References No definition available. + Details
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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 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 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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