Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.3.1.900
Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Business Acquisition [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities $ 1,500  
Goodwill 2,561 $ 1,611
First Federal Acquisition [Member]    
Business Acquisition [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities 39,600  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities 3,800  
Business Combination, Acquired Receivables, Fair Value 29,100  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment 967  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land 690  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets 37,900  
Goodwill 2,000 1,600
Finite-lived Intangible Assets Acquired 93  
Liberty Acquisition [Member]    
Business Acquisition [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities 57,900  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities 8,100  
Business Combination, Acquired Receivables, Fair Value 28,000  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment 1,300  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets 57,300  
Goodwill 573  
Finite-lived Intangible Assets Acquired 471  
Federal Reserve Bank [Member]    
Business Acquisition [Line Items]    
Cash, FDIC Insured Amount $ 807 $ 827
Premises And Equipment [Member] | Minimum [Member]    
Business Acquisition [Line Items]    
Property, Plant and Equipment, Useful Life 26 years  
Premises And Equipment [Member] | Maximum [Member]    
Business Acquisition [Line Items]    
Property, Plant and Equipment, Useful Life 39 years  
Furniture and Equipment [Member] | Minimum [Member]    
Business Acquisition [Line Items]    
Property, Plant and Equipment, Useful Life 2 years  
Furniture and Equipment [Member] | Maximum [Member]    
Business Acquisition [Line Items]    
Property, Plant and Equipment, Useful Life 10 years  
Core Deposits [Member] | First Federal Acquisition [Member]    
Business Acquisition [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities $ 7,200  
Core Deposits [Member] | Liberty Acquisition [Member]    
Business Acquisition [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities 56,200  
Certificates of Deposit [Member] | First Federal Acquisition [Member]    
Business Acquisition [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities 29,800  
Certificates of Deposit [Member] | Liberty Acquisition [Member]    
Business Acquisition [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities $ 1,500