Finance Assets and Lessor Operating Leases (Lease Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Lessor, Lease, Description [Line Items]
Profit recognized at commencement	$ 32,265	$ 29,908
Interest income	48,496	53,806
Total lease income from sales-type leases	$ 80,761	83,714
As Previously Reported
Lessor, Lease, Description [Line Items]
Total lease income from sales-type leases		$ 63,000