Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets (Details Textual)

v3.6.0.2
Goodwill and Other Intangible Assets (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2016
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   162  
First Federal Acquisition [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Goodwill   2,000  
Amortization of Intangible Assets   12 12
Goodwill, Acquired During Period $ 377    
Impaired Loan, Additions $ 423    
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Two   12  
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     126
First Federal Acquisition [Member] | Loans Receivable [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  
Accretion Expense   $ 217 240
First Federal Acquisition [Member] | During 2016 [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months   12  
First Federal Acquisition [Member] | During 2017 [Member] | Loans Receivable [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Accretion (Amortization) of Discounts and Premiums, Investments   168  
First Federal Acquisition [Member] | During 2019 [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Three   12  
First Federal Acquisition [Member] | During 2020 [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Four   12  
First Federal Acquisition [Member] | During 2021 [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Five   12  
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   $ 804  
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   $ 80 44
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   $ 389 159
Liberty Savings [Member] | During 2019 [Member] | Loans Receivable [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Accretion Expense   47  
Liberty Savings [Member] | Through 2018 [Member] | Loans Receivable [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Accretion Expense   284  
Liberty Savings [Member] | First Federal Acquisition [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Goodwill   2,800  
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   $ 58 $ 29
Liberty Savings [Member] | Core Deposits [Member] | During 2017 To 2022 [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Amortization of Intangible Assets   $ 58