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Fair Value (Details Textual) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Valuation allowance for impaired loans | $ 1,332 | $ 1,911 |
Provision for impaired loan losses | (579) |  | $ (1,200)
Other real estate owned | 3,625 | 3,965 |
Commercial Real Estate [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair Value | 2,900 | 3,000 |
Residential Real Estate [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair Value | 700 | 1,000 |
State and Municipal Obligation [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair Value | $ 4,725 | $ 5,900 |
Fair Value Measurements, Valuation Techniques | Discounted cash flow | Discounted cash flow |
Fair Value Measurements Unobservable Inputs | Discount rate Probability of default | Discount rate Probability of default |
Impaired Loans | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair Value | $ 3,605 | $ 11,477 |
Valuation allowance for impaired loans | $ 1,300 | $ 1,900 |
Fair Value Measurements, Valuation Techniques | Sales comparison/income approach | Sales comparison/income approach |
Fair Value Measurements Unobservable Inputs | Discount rate for age of appraisal and market conditions | Discount rate for age of appraisal and market conditions |
Other Real Estate |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Real estate, other deductions | $ 900 | $ 1,100 |
Other Real Estate | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair Value | 3,625 | 3,965 |
Other real estate owned | $ 3,600 | $ 4,000 |
Fair Value Measurements, Valuation Techniques | Sales comparison/income approach | Sales comparison/income approach |
Fair Value Measurements Unobservable Inputs | Discount rate for age of appraisal and market conditions | Discount rate for age of appraisal and market conditions |
Minimum [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair value inputs, discount rate | 0.00% |  |
Minimum [Member] | State and Municipal Obligation [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair value inputs, discount rate | 3.05% | 3.05% |
Minimum [Member] | Impaired Loans | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair value inputs, discount rate | 0.00% | 0.00% |
Minimum [Member] | Other Real Estate | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair value inputs, discount rate | 5.00% | 5.00% |
Maximum [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair value inputs, discount rate | 50.00% |  |
Maximum [Member] | State and Municipal Obligation [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair value inputs, discount rate | 5.50% | 5.50% |
Maximum [Member] | Impaired Loans | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair value inputs, discount rate | 50.00% | 50.00% |
Maximum [Member] | Other Real Estate | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Fair value inputs, discount rate | 20.00% | 20.00% |

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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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- Definition Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure. + 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 + Details
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