Finance Assets and Lessor Operating Leases (Finance Receivables) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	$ (38,068)	$ (19,651)	$ (20,124)	$ (20,222)
Net investment in receivables	1,146,696	1,255,130
North America
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net investment in receivables	975,321	1,059,926
International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net investment in receivables	171,375	195,204
Sales-type lease receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	1,183,065	1,280,054
Unguaranteed residual values	48,800	53,723
Unearned income	(329,310)	(385,169)
Allowance for credit losses	(30,788)	(13,005)
Net investment in receivables	871,767	935,603
Sales-type lease receivables | North America
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	981,475	1,055,852
Unguaranteed residual values	37,191	41,934
Unearned income	(270,499)	(319,281)
Allowance for credit losses	(25,886)	(10,920)	(11,172)	(10,253)
Net investment in receivables	722,281	767,585
Sales-type lease receivables | International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	201,590	224,202
Unguaranteed residual values	11,609	11,789
Unearned income	(58,811)	(65,888)
Allowance for credit losses	(4,902)	(2,085)	(2,217)	(2,355)
Net investment in receivables	149,486	168,018
Loan receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	282,209	326,173
Allowance for credit losses	(7,280)	(6,646)
Net investment in receivables	274,929	319,527
Loan receivables | North America
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	259,832	298,247
Allowance for credit losses	(6,792)	(5,906)	(6,016)	(6,777)
Net investment in receivables	253,040	292,341
Loan receivables | International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	22,377	27,926
Allowance for credit losses	(488)	(740)	$ (719)	$ (837)
Net investment in receivables	$ 21,889	$ 27,186
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Lease period	3 years
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Lease period	5 years