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Summary of Significant Accounting Policies (Detail Textuals) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014
Summary Of Significant Accounting Policies [Line Items] |  |
Mortgage loans held for sale | $ 1,200 | $ 0
Depreciation methods | Straight line and accelerated methods |
Amortization method | Straight line and accelerated methods |
Sustained period of repayment performance for non-accrual TDRs | 6 months |
Period of employees highest compensation before retirement | 10 years |
Core deposit intangible | Minimum |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated lives | 7 years |
Core deposit intangible | Maximum |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated lives | 8 years |
Buildings and improvements |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful lives | 5 to 40 years |
Furniture and equipment |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful lives | 3 to 15 years |
Federal Home Loan Bank of Des Moines |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Investment in capital stock of the Federal Home Loan Bank of total assets | 0.12% |
Investment in capital stock of Federal Home Loan Bank required percentage of advances | 4.00% |

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- Definition Represents the period of employees highest compensation before retirement used to calculate the basis of benefits under the defined benefit pension plan. + References No definition available. + Details
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- Definition Represents the percentage of advances from the FHLB to the Bank in which that amount is required to be maintained as an investment in the capital stock of the FHLB. + References No definition available. + Details
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- Definition Represent period over which debtor demonstrates the ability to pay under the terms of the restructured note through a sustained period of repayment performance, for non-accrual TDRs to be returned to accruing status. + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The amortization method of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company. The straight-line method is the preferred amortization method, unless another method better reflects the pattern in which the asset is consumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 35 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=26713198&loc=d3e15372-109273 + Details
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