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Other Real Estate Owned (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Summary Other Real Estate Owned [Abstract] |  |  |
Real estate acquired in settlement of loans | $ 3,785 us-gaap_RealEstateAcquiredThroughForeclosure | $ 4,807 us-gaap_RealEstateAcquiredThroughForeclosure |
Real Estate Owned Valuation Allowance [Roll Forward] |  |  |
Balance at beginning of year | 330 us-gaap_RealEstateOwnedValuationAllowance | 373 us-gaap_RealEstateOwnedValuationAllowance | 436 us-gaap_RealEstateOwnedValuationAllowance
Losses charged to allowance | (313)us-gaap_RealEstateOwnedValuationAllowanceAmountsApplied | (544)us-gaap_RealEstateOwnedValuationAllowanceAmountsApplied | (460)us-gaap_RealEstateOwnedValuationAllowanceAmountsApplied
Provision charged to operating expenses | 637 us-gaap_RealEstateOwnedValuationAllowanceProvision | 501 us-gaap_RealEstateOwnedValuationAllowanceProvision | 397 us-gaap_RealEstateOwnedValuationAllowanceProvision
Balance at end of year | $ 654 us-gaap_RealEstateOwnedValuationAllowance | $ 330 us-gaap_RealEstateOwnedValuationAllowance | $ 373 us-gaap_RealEstateOwnedValuationAllowance

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- Definition Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4437-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 + Details
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- Definition For each period for which an income statement is required, disclosure of the changes in the allowance, including balances at end of period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Subparagraph 4 -Article 9 + Details
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- Definition Amount of the valuation allowance for real estate owned that was applied in the period against the carrying amount of real estate owned that was sold, written down or written off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Subparagraph 4 -Article 9 + Details
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- Definition Amount of the increase in the real estate owned valuation allowance that is charged against earnings in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Subparagraph 4 -Article 9 + Details
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