Leases (Schedule of Net Investment and Lease Income of Direct Financing and Sales-Type Leases) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Direct Financing and Sales-Type Leases:
Lease receivables	$ 126,517
Unguaranteed residual assets	14,793
Net investment in direct financing and sales-type leases	141,310
Direct financing and sales-type lease income	$ 5,900