Finance Assets and Lessor Operating Leases (Allowance for Credit Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Allowance for Credit Losses
Balance at	$ 19,651	$ 20,222	$ 18,633
Amounts charged to expense	22,404	12,144	16,600
Write-offs	(19,183)	(18,296)	(22,862)
Recoveries	5,742	5,426	9,221
Other	(2,248)	155	(1,370)
Balance at	35,869	19,651	20,222
Cumulative Effect
Allowance for Credit Losses
Balance at	9,503
Balance at		9,503
Sales-type lease receivables
Allowance for Credit Losses
Balance at	13,005
Balance at	28,923	13,005
Sales-type lease receivables | North America
Allowance for Credit Losses
Balance at	10,920	10,253	7,721
Amounts charged to expense	10,789	5,672	7,928
Write-offs	(7,609)	(6,971)	(5,753)
Recoveries	2,070	1,717	1,572
Other	(2,524)	249	(1,215)
Balance at	22,917	10,920	10,253
Sales-type lease receivables | North America | Cumulative Effect
Allowance for Credit Losses
Balance at	9,271
Balance at		9,271
Sales-type lease receivables | International
Allowance for Credit Losses
Balance at	2,085	2,355	2,794
Amounts charged to expense	2,902	1,157	1,315
Write-offs	(1,068)	(1,505)	(1,909)
Recoveries	194	181	285
Other	143	(103)	(130)
Balance at	6,006	2,085	2,355
Sales-type lease receivables | International | Cumulative Effect
Allowance for Credit Losses
Balance at	1,750
Balance at		1,750
Loan receivables
Allowance for Credit Losses
Balance at	6,646
Balance at	6,946	6,646
Loan receivables | North America
Allowance for Credit Losses
Balance at	5,906	6,777	7,098
Amounts charged to expense	8,158	4,746	6,825
Write-offs	(9,955)	(8,971)	(14,467)
Recoveries	3,474	3,519	7,349
Other	17	(165)	(28)
Balance at	6,484	5,906	6,777
Loan receivables | North America | Cumulative Effect
Allowance for Credit Losses
Balance at	(1,116)
Balance at		(1,116)
Loan receivables | International
Allowance for Credit Losses
Balance at	740	837	1,020
Amounts charged to expense	555	569	532
Write-offs	(551)	(849)	(733)
Recoveries	4	9	15
Other	116	174	3
Balance at	462	740	$ 837
Loan receivables | International | Cumulative Effect
Allowance for Credit Losses
Balance at	$ (402)
Balance at		$ (402)