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Allowance For Loan Losses (Narrative) (Details)
12 Months Ended
Dec. 31, 2015
USD ($)
loan_pool
reserve_component
Allowance for Loan and Lease Losses, Adjustments, Net [Abstract]  
Number of distinct reserve components | reserve_component 3
Aggregate balance threshold for evaluating individual loans | $ $ 500,000
Period for re-evaluation of fair value for collateral dependent loans 12 months
Number of loan pools for stratification | loan_pool 10
Allocation of loan pool's average 12-month historical net loan charge-off 100.00%