Finance Assets and Lessor Operating Leases (Lease Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Lessor, Lease, Description [Line Items]
Profit recognized at commencement	$ 28,394	$ 29,169	$ 92,756	$ 80,348
Interest income	45,806	50,961	142,072	157,044
Total lease income from sales-type leases	$ 74,200	80,130	$ 234,828	237,392
As Previously Reported
Lessor, Lease, Description [Line Items]
Total lease income from sales-type leases		$ 63,000		$ 182,000