Finance Assets and Lessor Operating Leases (Finance Receivables) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Past Due [Line Items]
Net investment in receivables	$ 1,255,130	$ 1,289,144
North America
Financing Receivable, Past Due [Line Items]
Net investment in receivables	1,059,926	1,063,371
International
Financing Receivable, Past Due [Line Items]
Net investment in receivables	195,204	225,773
Sales-type lease receivables
Financing Receivable, Past Due [Line Items]
Receivables	1,280,054	1,352,934
Unguaranteed residual values	53,723	65,409
Unearned income	(385,169)	(438,566)
Allowance for credit losses	(13,005)	(12,608)
Net investment in receivables	935,603	967,169
Sales-type lease receivables | North America
Financing Receivable, Past Due [Line Items]
Receivables	1,055,852	1,110,898
Unguaranteed residual values	41,934	52,637
Unearned income	(319,281)	(383,453)
Allowance for credit losses	(10,920)	(10,253)
Net investment in receivables	767,585	769,829
Sales-type lease receivables | International
Financing Receivable, Past Due [Line Items]
Receivables	224,202	242,036
Unguaranteed residual values	11,789	12,772
Unearned income	(65,888)	(55,113)
Allowance for credit losses	(2,085)	(2,355)
Net investment in receivables	168,018	197,340
Loan receivables
Financing Receivable, Past Due [Line Items]
Receivables	326,173	329,589
Allowance for credit losses	(6,646)	(7,614)
Net investment in receivables	319,527	321,975
Loan receivables | North America
Financing Receivable, Past Due [Line Items]
Receivables	298,247	300,319
Allowance for credit losses	(5,906)	(6,777)
Net investment in receivables	292,341	293,542
Loan receivables | International
Financing Receivable, Past Due [Line Items]
Receivables	27,926	29,270
Allowance for credit losses	(740)	(837)
Net investment in receivables	$ 27,186	$ 28,433
Minimum
Financing Receivable, Past Due [Line Items]
Lease period	3 years
Maximum
Financing Receivable, Past Due [Line Items]
Lease period	5 years