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Non-Recourse Debt (Narrative) (Details) - Non-Recourse Debt [Member]
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Debt Instrument [Line Items]  
Fixed interest rate on note 3.40%
Gross operating lease rentals and future payments on direct financing leases $ 4.3
Carrying value of pledged assets $ 8.4
Note maturity date, description The note matures in 2024.