Off-Balance-Sheet Arrangements, Commitments, Guarantees And Contingencies (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Commitments and Contingencies [Abstract]    
Commitments to extend commercial and real estate mortgage credit $ 324,927,000 $ 323,925,000
Standby and commercial letters of credit 7,287,000 5,800,000
Total 332,214,000 329,725,000
Maximum amount payable for Severance Compensation Plan $ 4,500,000