Allowance for Credit Losses (Financing Receivables by Credit Quality Indicator and by Class) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment [Line Items]
Notes Receivable	$ 1,164	$ 3,623
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Notes Receivable	$ 1,164	$ 3,623

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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