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Fair value measurements (Details 4) (Fair Value, Inputs, Level 3, USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013
Fair value measurements |  |
Fair value | $ 5,058 | $ 4,416
Weighted average discount rate | 4.50% | 4.50%
Residential loan | Fair value of property or collateral |  |
Fair value measurements |  |
Fair value | 3,040 | 2,361
Appraised value, selling cost | 7.00% | 7.00%
Appraised value, weighted average rate (as a percent) | 86.00% | 87.00%
Residential loan | Fair value of property or collateral | Minimum |  |
Fair value measurements |  |
Appraised value (as a percent) | 60.00% | 44.00%
Residential loan | Fair value of property or collateral | Maximum |  |
Fair value measurements |  |
Appraised value (as a percent) | 96.00% | 96.00%
Home equity line of credit | Fair value of property or collateral |  |
Fair value measurements |  |
Fair value | 169 | 170
Appraised value, selling cost | 7.00% | 7.00%
Appraised value, weighted average rate (as a percent) | 49.00% | 50.00%
Home equity line of credit | Fair value of property or collateral | Minimum |  |
Fair value measurements |  |
Appraised value (as a percent) | 43.00% | 45.00%
Home equity line of credit | Fair value of property or collateral | Maximum |  |
Fair value measurements |  |
Appraised value (as a percent) | 50.00% | 50.00%
Commercial loans | Fair value of property or collateral |  |
Fair value measurements |  |
Fair value | 217 | 217
Fair value, weighted average rate (as a percent) | 19.00% | 19.00%
Commercial loan 2 | Discounted Cash Flow [Member] |  |
Fair value measurements |  |
Fair value | $ 1,632 | $ 1,668
Fair value, weighted average rate (as a percent) | 57.00% | 58.00%

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- Definition Fair Value Assumptions, Appraised Value, Weighted Average Rate + References No definition available. + Details
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- Definition Fair Value Assumptions, Selling Cost, Percent + 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 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=25499696&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=25499696&loc=d3e19207-110258 + Details
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