Finance Assets and Lessor Operating Leases (Aging of Receivables) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Total	$ 1,428,736	$ 1,497,711
Still accruing interest	5,646	7,447
Not accruing interest	9,363	22,614
Total	15,009	30,061
Amounts 0 - 90 days
Financing Receivable, Past Due [Line Items]
Total	1,413,727	1,467,650
Greater Than 90 days
Financing Receivable, Past Due [Line Items]
Total	15,009	30,061
Sales-type lease receivables | North America
Financing Receivable, Past Due [Line Items]
Total	958,440	994,985
Still accruing interest	4,964	5,128
Not accruing interest	3,338	17,591
Total	8,302	22,719
Sales-type lease receivables | North America | Amounts 0 - 90 days
Financing Receivable, Past Due [Line Items]
Total	950,138	972,266
Sales-type lease receivables | North America | Greater Than 90 days
Financing Receivable, Past Due [Line Items]
Total	8,302	22,719
Sales-type lease receivables | International
Financing Receivable, Past Due [Line Items]
Total	187,831	211,944
Still accruing interest	682	463
Not accruing interest	2,092	2,513
Total	2,774	2,976
Sales-type lease receivables | International | Amounts 0 - 90 days
Financing Receivable, Past Due [Line Items]
Total	185,057	208,968
Sales-type lease receivables | International | Greater Than 90 days
Financing Receivable, Past Due [Line Items]
Total	2,774	2,976
Loan receivables
Financing Receivable, Past Due [Line Items]
Total	282,465	290,782
Loan receivables | North America
Financing Receivable, Past Due [Line Items]
Total	262,310	268,690
Still accruing interest	0	1,797
Not accruing interest	3,796	2,409
Total	3,796	4,206
Loan receivables | North America | Amounts 0 - 90 days
Financing Receivable, Past Due [Line Items]
Total	258,514	264,484
Loan receivables | North America | Greater Than 90 days
Financing Receivable, Past Due [Line Items]
Total	3,796	4,206
Loan receivables | International
Financing Receivable, Past Due [Line Items]
Total	20,155	22,092
Still accruing interest	0	59
Not accruing interest	137	101
Total	137	160
Loan receivables | International | Amounts 0 - 90 days
Financing Receivable, Past Due [Line Items]
Total	20,018	21,932
Loan receivables | International | Greater Than 90 days
Financing Receivable, Past Due [Line Items]
Total	$ 137	$ 160