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Loans and Allowance for Loan Losses (Detail Textuals) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) Contract | Jun. 30, 2016 USD ($) Contract | Dec. 31, 2016 USD ($)
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Amount of loans pledged as collateral to the Federal Home Loan Bank |  | $ 496,000,000 |  | $ 496,000,000 |  |
Impaired loans individually evaluated for impairment |  | 9,720,000 |  | 9,720,000 |  | $ 9,144,000
Impaired loans were evaluated based on the fair value of the loan's collateral |  | 5,700,000 |  | 5,700,000 |  | 4,500,000
Specific allowance related to impaired loans |  | 1,125,000 | $ 1,600,000 | 1,125,000 | $ 1,600,000 | 1,080,000
Impaired loans with no reserve allocation |  | $ 1,748,000 |  | $ 1,748,000 |  | $ 2,114,000
Impaired loans required no reserve allocation, percentage |  | 18.00% |  | 18.00% |  | 23.00%
Interest income recognized on impaired loans |  | $ 64,000 | $ 370,000 | $ 142,000 | $ 653,000 |
Troubled debt restructurings |  | 6,300,000 |  | 6,300,000 |  | $ 6,300,000
Amount of specific reserves related to TDRs which were allocated to the allowance for loan losses |  | 450,000 |  | $ 450,000 |  | 410,000
Number of contracts modified | Contract | [1] |  |  | 2 | 1 |
Minimum |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Look back period |  |  |  | 3 years |  |
Maximum |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Look back period |  |  |  | 5 years |  |
Performing TDRs |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Troubled debt restructurings |  | 5,300,000 |  | $ 5,300,000 |  | 5,700,000
Nonperforming TDRs |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |
Troubled debt restructurings |  | $ 992,000 |  | $ 992,000 |  | $ 619,000
[1] | The amounts reported post-modification are inclusive of all partial pay-downs and charge-offs, and no portion of the debt was forgiven. Loans modified as a TDR that were fully paid down, charged-off or foreclosed upon during the period ended are not reported.

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- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses that were evaluated for impairment based on the fair value of the collateral. + References No definition available. + Details
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- Definition The carrying amount, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of FHLB debt obligations, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -URI http://asc.fasb.org/extlink&oid=64858031&loc=SL6224234-111729 + Details
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