Loans and Allowance for Loan Losses (Changes In Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Receivables [Abstract]
Beginning Balance	$ 4,973	$ 5,456	$ 5,456
Provision charged to operating expense	755	567	629
Recoveries added to the allowance	1,097	150	201
Loan losses charged to the allowance	(164)	(1,282)	(1,313)
Ending Balance	$ 6,661	$ 4,891	$ 4,973

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant