Finance Assets and Lessor Operating Leases (Credit Quality) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 1,549,089	$ 1,606,227
Low
Financing Receivable, Credit Quality Indicator [Line Items]
Approximate percentage of portfolio	30.00%
Total	$ 1,034,731
Medium
Financing Receivable, Credit Quality Indicator [Line Items]
Approximate percentage of portfolio	40.00%
Total	$ 218,066
High
Financing Receivable, Credit Quality Indicator [Line Items]
Approximate percentage of portfolio	30.00%
Total	$ 25,207
Not Scored
Financing Receivable, Credit Quality Indicator [Line Items]
Total	271,085
International
Financing Receivable, Credit Quality Indicator [Line Items]
Receivables subject to review	$ 50
Percent of applications approved or denied	80.00%
Sales-type lease receivables
Financing Receivable, Credit Quality Indicator [Line Items]
2020	$ 119,265
2019	423,487
2018	336,406
2017	212,138
2016	98,441
Prior	41,809
Sales-type lease receivables | Low
Financing Receivable, Credit Quality Indicator [Line Items]
2020	80,794
2019	278,796
2018	225,328
2017	141,499
2016	62,994
Prior	28,603
Sales-type lease receivables | Medium
Financing Receivable, Credit Quality Indicator [Line Items]
2020	13,337
2019	52,267
2018	45,057
2017	29,346
2016	12,816
Prior	7,091
Sales-type lease receivables | High
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,651
2019	5,961
2018	5,516
2017	3,610
2016	2,478
Prior	833
Sales-type lease receivables | Not Scored
Financing Receivable, Credit Quality Indicator [Line Items]
2020	23,483
2019	86,463
2018	60,505
2017	37,683
2016	20,153
Prior	5,282
Sales-type lease receivables | North America
Financing Receivable, Credit Quality Indicator [Line Items]
Total	1,031,493	1,055,852
Sales-type lease receivables | International
Financing Receivable, Credit Quality Indicator [Line Items]
Total	200,053	224,202
Loan receivables
Financing Receivable, Credit Quality Indicator [Line Items]
Total	317,543
Loan receivables | Low
Financing Receivable, Credit Quality Indicator [Line Items]
Total	216,717
Loan receivables | Medium
Financing Receivable, Credit Quality Indicator [Line Items]
Total	58,152
Loan receivables | High
Financing Receivable, Credit Quality Indicator [Line Items]
Total	5,158
Loan receivables | Not Scored
Financing Receivable, Credit Quality Indicator [Line Items]
Total	37,516
Loan receivables | North America
Financing Receivable, Credit Quality Indicator [Line Items]
Total	292,699	298,247
Loan receivables | International
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 24,844	$ 27,926