XML 68 R56.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of Significant Accounting Policies (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
USD ($)
segment
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Business Acquisition [Line Items]      
Finite lived intangible asset, amortization (in years) 10 years    
Amortization of identified intangibles $ 43 $ 43 $ 58
Net tax deferred assets $ 134    
Number of reportable operating segments | segment 1    
Bank Acquisitions From Camden National Bank | Core Deposits      
Business Acquisition [Line Items]      
Finite lived intangible asset, amortization (in years) 10 years    
Amortization of identified intangibles $ 43 43 43
Yearly amortization expense until fully amortized 43    
FNB Bankshares | Core Deposits      
Business Acquisition [Line Items]      
Amortization of identified intangibles $ 0 $ 0 $ 15