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Summary of Significant Accounting Policies (Details)
$ in Millions
12 Months Ended
Dec. 31, 2015
USD ($)
Agreement
Dec. 31, 2014
USD ($)
Summary of Significant Accounting Policies [Abstract]    
Minimum number of days past due for nonaccrual loan status 90 days  
Period of sustained repayment performance for nonperforming TDRs to be returned to performing status 6 months  
Balance of OREO | $ $ 4.7 $ 4.0
Number of interest rate swap agreements | Agreement 41  
Standby letters of credit expiration period 1 year