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Troubled Debt Restructurings (Narrative) (Details)	6 Months Ended		12 Months Ended
	Jun. 30, 2020 USD ($) contract	Jun. 30, 2019 contract	Dec. 31, 2019 USD ($) contract	Jul. 24, 2020 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of troubled debt restructured loans | contract	14		18
Loan is considered payment default	30 days
Financing Receivable, Modifications, Nonaccrual, Number of Contracts | contract	3		4
Financing Receivable, Modifications, Nonaccrual, Recorded Investment	$ 145,000		$ 401,000
Number of additional troubled debt restructuring loans | contract	0	0
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | contract		1
Total troubled debt restructured loans	$ 2,700,000		$ 3,000,000
CARES Act [Member] | Payment Deferral [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Deferrals on outstanding loan balances	$ 145,900,000
CARES Act [Member] | Payment Deferral [Member] | Subsequent Event [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Deferrals on outstanding loan balances				$ 70,200,000
Finance Receivable, Modifications, Number				$ 147

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