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Loans and Allowance for Credit Losses (Details 8) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Allowance for credit losses: |  |
Beginning balance | $ 8,316 | $ 7,695
Charge-offs | (570) | (651)
Recoveries | 113 | 104
Net charge-offs | (457) | (547)
Provision | 450 | 650
Ending balance | 8,309 | 7,798
Construction [Member] |  |
Allowance for credit losses: |  |
Beginning balance | 1,646 | 1,303
Charge-offs | (241) | (363)
Recoveries | 6 | 3
Net charge-offs | (235) | (360)
Provision | 342 | 941
Ending balance | 1,753 | 1,884
Residential real estate [Member] |  |
Allowance for credit losses: |  |
Beginning balance | 2,181 | 2,834
Charge-offs | (16) | (114)
Recoveries | 34 | 23
Net charge-offs | 18 | (91)
Provision | (185) | (619)
Ending balance | 2,014 | 2,124
Commercial real estate [Member] |  |
Allowance for credit losses: |  |
Beginning balance | 2,999 | 2,379
Charge-offs | (238) | (40)
Recoveries | 0 | 13
Net charge-offs | (238) | (27)
Provision | 496 | (13)
Ending balance | 3,257 | 2,339
Commercial [Member] |  |
Allowance for credit losses: |  |
Beginning balance | 558 | 448
Charge-offs | (67) | (124)
Recoveries | 65 | 47
Net charge-offs | (2) | (77)
Provision | 29 | 70
Ending balance | 585 | 441
Consumer [Member] |  |
Allowance for credit losses: |  |
Beginning balance | 156 | 229
Charge-offs | (8) | (10)
Recoveries | 8 | 18
Net charge-offs | 0 | 8
Provision | 21 | (57)
Ending balance | 177 | 180
Unallocated Financing Receivables [Member] |  |
Allowance for credit losses: |  |
Beginning balance | 776 | 502
Charge-offs | 0 | 0
Recoveries | 0 | 0
Net charge-offs | 0 | 0
Provision | (253) | 328
Ending balance | $ 523 | $ 830

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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=49124121&loc=SL6953423-111524 + Details
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- Definition The increase (decrease) in the allowance for credit losses related to financing receivables. + 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) -URI http://asc.fasb.org/extlink&oid=49124121&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=49124121&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=49124121&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=49124121&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=56944662&loc=d3e3602-108585 + Details
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