Allowance For Loan Losses (Narrative) (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) loan_pool reserve_component
Allowance for Loan and Lease Losses Write-offs, 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	11
Historical net loan charge-off rate	36 months