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Fair value measurements Quantitative Information About Level 3 Fair Value Measurements (Details) - Level 3 - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Residential loan | Fair value of property or collateral |  |
Fair value measurements |  |
Fair value | $ 2,297 | $ 2,361
Appraised value, weighted average rate (as a percent) | 83.00% | 87.00%
Residential loan | Fair value of property or collateral | Minimum |  |
Fair value measurements |  |
Appraised value (as a percent) | 39.00% | 44.00%
Residential loan | Fair value of property or collateral | Maximum |  |
Fair value measurements |  |
Appraised value (as a percent) | 99.00% | 96.00%
Home equity line of credit | Fair value of property or collateral |  |
Fair value measurements |  |
Fair value | $ 3 | $ 170
Appraised value, weighted average rate (as a percent) | 7.00% | 50.00%
Home equity line of credit | Fair value of property or collateral | Minimum |  |
Fair value measurements |  |
Appraised value (as a percent) |  | 45.00%
Home equity line of credit | Fair value of property or collateral | Maximum |  |
Fair value measurements |  |
Appraised value (as a percent) |  | 50.00%
Commercial loan 1 | Fair value of property or collateral |  |
Fair value measurements |  |
Fair value | $ 145 | $ 217
Fair value of business assets (as a percent) | 91.00% | 19.00%
Tax credit investments |  |
Fair value measurements |  |
Fair value | $ 8,975 |
Tax credit investments | Fair value of property or collateral | Minimum |  |
Fair value measurements |  |
Appraised value (as a percent) | 5.00% |
Tax credit investments | Fair value of property or collateral | Maximum |  |
Fair value measurements |  |
Appraised value (as a percent) | 93.00% |
Tax credit investments | Discounted cash flow |  |
Fair value measurements |  |
Fair value of business assets (as a percent) | 88.00% |
Weighted average discount rate | 7.00% |
Loans |  |
Fair value measurements |  |
Fair value | $ 2,445 | $ 4,416
Real estate acquired in settlement of loans | Fair value of property or collateral |  |
Fair value measurements |  |
Fair value | $ 288 |
Appraised value, weighted average rate (as a percent) | 100.00% |
Appraised value (as a percent) | 100.00% |
Commercial loan 2 | Discounted cash flow |  |
Fair value measurements |  |
Fair value |  | $ 1,668
Present value of expected future cash flows (as a percent) |  | 58.00%
Weighted average discount rate |  | 4.50%

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- Definition Fair Value Assumptions, Appraised Value, Weighted Average Rate + References No definition available. + Details
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- Definition Represents the appraised value used as an input to measure fair value, expressed as a percentage. + References No definition available. + Details
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- Definition Represents the fair value of business assets used as an input to measure fair value, expressed as a percentage. + References No definition available. + Details
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- Definition Represents the anticipated debt restructuring for pay down of loan used as an input to measure fair value, expressed as a percentage. + References No definition available. + Details
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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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