Notes Receivable, Net (Initial Direct Costs, Amortization Expense Related to Notes Receivable and Company's Operating and Direct Finance Leases) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortization of initial direct costs	$ 67	$ 77
Lease Assets [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortization of initial direct costs	59	66
Notes Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortization of initial direct costs	$ 8	$ 11