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Goodwill, Other Intangible Assets, and Acquisition Related Accounting (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill |  | $ 2,792 |  | $ 2,561
Pool Of Purchased Loans [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill, Purchase Accounting Adjustments |  | 178 |  |
Fixed Assets Valuations [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill, Purchase Accounting Adjustments |  | 109 |  |
Accrued WithDrawal Liability [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill, Purchase Accounting Adjustments |  | 161 |  |
During 2016 [Member] | Certificates of Deposit [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion Expense |  | 15 |  |
First Federal Acquisition [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill |  | 2,000 |  |
Amortization of Intangible Assets |  | 9 | $ 9 |
Goodwill, Acquired During Period | $ 377 |  |  |
Impaired Loan, Additions | $ 423 |  |  |
First Federal Acquisition [Member] | Certificates of Deposit [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion (Amortization) of Discounts and Premiums, Investments |  | $ 276 |  |
Accretion Amortization Of Discounts And Premiums Term |  | 17 months |  |
Accretion Expense |  |  | 127 |
First Federal Acquisition [Member] | Loans Receivable [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion Expense |  | $ 146 | 168 |
First Federal Acquisition [Member] | Loans Receivable [Member] | Home Equity Line of Credit [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion (Amortization) of Discounts and Premiums, Investments |  | $ 1,100 |  |
Accretion Amortization Of Discounts And Premiums Term |  | 55 months |  |
First Federal Acquisition [Member] | During 2016 [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year |  | $ 3 |  |
First Federal Acquisition [Member] | During 2016 [Member] | Loans Receivable [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion (Amortization) of Discounts and Premiums, Investments |  | 45 |  |
First Federal Acquisition [Member] | During 2017 [Member] | Loans Receivable [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion Expense |  | 182 |  |
First Federal Acquisition [Member] | During 2018 [Member] | Loans Receivable [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion Expense |  | 152 |  |
First Federal Acquisition [Member] | Through 2022 [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year |  | 60 |  |
Core Deposits [Member] | First Federal Acquisition [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Core Deposits, Gross |  | $ 93 |  |
Finite-Lived Intangible Asset, Useful Life |  | 7 years 10 months 24 days |  |
Liberty Savings [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill |  | $ 803 |  |
Liberty Savings [Member] | Certificates of Deposit [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion (Amortization) of Discounts and Premiums, Investments |  | $ 124 |  |
Accretion Amortization Of Discounts And Premiums Term |  | 17 months |  |
Accretion Expense |  | $ 66 | 22 |
Liberty Savings [Member] | Loans Receivable [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion (Amortization) of Discounts and Premiums, Investments |  | $ 1,200 |  |
Accretion Amortization Of Discounts And Premiums Term |  | 44 months |  |
Accretion Expense |  | $ 274 | 79 |
Liberty Savings [Member] | During 2019 [Member] | Loans Receivable [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion Expense |  | 50 |  |
Liberty Savings [Member] | Remaining amount for 2016 [Member] | Loans Receivable [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion Expense |  | 76 |  |
Liberty Savings [Member] | First Federal Acquisition [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill |  | 2,800 |  |
Liberty Savings [Member] | Through 2018 [Member] | Loans Receivable [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Accretion Expense |  | 302 |  |
Liberty Savings [Member] | Core Deposits [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Core Deposits, Gross |  | $ 471 |  |
Finite-Lived Intangible Asset, Useful Life |  | 8 years 2 months 12 days |  |
Amortization of Intangible Assets |  | $ 43 | $ 14 |
Liberty Savings [Member] | Core Deposits [Member] | During 2016 [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Amortization of Intangible Assets |  | 14 |  |
Liberty Savings [Member] | Core Deposits [Member] | Through 2023 [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Amortization of Intangible Assets |  | $ 385 |  |

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- Definition Bank deposits belonging to an acquired bank that can be counted on as a stable source of lending funds. These deposits have the following attributes: predictable costs and low sensitivity to interest rates. This intangible asset is usually amortized over its estimated useful life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975 + Details
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