Quarterly report pursuant to Section 13 or 15(d)

Goodwill, Other Intangible Assets, and Acquisition Related Accounting (Details Textual)

v3.8.0.1
Goodwill, Other Intangible Assets, and Acquisition Related Accounting (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Indefinite-lived Intangible Assets [Line Items]      
Goodwill $ 2,792   $ 2,792
First Federal Acquisition [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Goodwill 2,000    
Amortization of Intangible Assets 3 $ 804  
First Federal Acquisition [Member] | Loans Receivable [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Accretion (Amortization) of Discounts and Premiums, Investments 1,100    
Accretion Expense $ 36 37  
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 Term 55 months    
First Federal Acquisition [Member] | During 2018 [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Amortization of Intangible Assets $ 9    
First Federal Acquisition [Member] | During 2018 [Member] | Loans Receivable [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Accretion (Amortization) of Discounts and Premiums, Investments 123    
First Federal Acquisition [Member] | During 2019 To 2021 [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Amortization of Intangible Assets 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    
Amortization of Intangible Assets 15 15  
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 $ 68 $ 81  
Liberty Savings [Member] | During 2018 [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Accretion Expense 196    
Liberty Savings [Member] | During 2019 [Member] | Loans Receivable [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Accretion Expense 44    
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 $ 43    
Liberty Savings [Member] | Core Deposits [Member] | During 2019 To 2021 [Member]      
Indefinite-lived Intangible Assets [Line Items]      
Amortization of Intangible Assets $ 58