Finance Assets and Lessor Operating Leases (Allowance for Credit Losses) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Revenue recognition resume period (less than)	60 days
Allowance for Credit Losses
Beginning Balance	$ 35,869	$ 19,651
Amounts charged to expense	982	12,646
Write-offs	(3,231)	(4,028)
Recoveries	1,955	1,314
Other	(101)	(218)
Ending Balance	$ 35,474	38,868
Cumulative Effect
Allowance for Credit Losses
Beginning Balance		9,503
Sales-type lease receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Average term	5 years
Revenue recognition discontinuation period (more than)	120 days
Allowance for Credit Losses
Beginning Balance	$ 28,923
Ending Balance	28,604
Sales-type lease receivables | North America
Allowance for Credit Losses
Beginning Balance	22,917	10,920
Amounts charged to expense	154	6,892
Write-offs	(1,024)	(1,618)
Recoveries	935	592
Other	16	(124)
Ending Balance	22,998	25,933
Sales-type lease receivables | North America | Cumulative Effect
Allowance for Credit Losses
Beginning Balance		9,271
Sales-type lease receivables | International
Allowance for Credit Losses
Beginning Balance	6,006	2,085
Amounts charged to expense	61	1,345
Write-offs	(371)	(248)
Recoveries	29	31
Other	(119)	(80)
Ending Balance	$ 5,606	4,883
Sales-type lease receivables | International | Cumulative Effect
Allowance for Credit Losses
Beginning Balance		1,750
Loan receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Average term	3 years
Revenue recognition discontinuation period (more than)	90 days
Allowance for Credit Losses
Beginning Balance	$ 6,946
Ending Balance	6,870
Loan receivables | North America
Allowance for Credit Losses
Beginning Balance	6,484	5,906
Amounts charged to expense	763	4,006
Write-offs	(1,833)	(2,058)
Recoveries	991	691
Other	2	(7)
Ending Balance	6,407	7,422
Loan receivables | North America | Cumulative Effect
Allowance for Credit Losses
Beginning Balance		(1,116)
Loan receivables | International
Allowance for Credit Losses
Beginning Balance	462	740
Amounts charged to expense	4	403
Write-offs	(3)	(104)
Recoveries	0	0
Other	0	(7)
Ending Balance	$ 463	630
Loan receivables | International | Cumulative Effect
Allowance for Credit Losses
Beginning Balance		$ (402)