Finance Assets and Lessor Operating Leases (Finance Receivables) (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	$ 313,263
Net investment in receivables	1,233,924	$ 1,289,144
North America
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	285,163
Net investment in receivables	1,045,507	1,063,372
International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	28,100
Net investment in receivables	188,417	225,772
Sales-type lease receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	1,280,106	1,352,934
Unguaranteed residual values	54,885	65,409
Unearned income	(394,206)	(438,566)
Allowance for credit losses	(13,389)	(12,608)
Net investment in receivables	927,396	967,169
Sales-type lease receivables \| North America
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	1,064,996	1,110,898
Unguaranteed residual values	43,621	52,637
Unearned income	(331,085)	(383,453)
Allowance for credit losses	(11,172)	(10,252)
Net investment in receivables	766,360	769,830
Sales-type lease receivables \| International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	215,110	242,036
Unguaranteed residual values	11,264	12,772
Unearned income	(63,121)	(55,113)
Allowance for credit losses	(2,217)	(2,356)
Net investment in receivables	161,036	197,339
Loan receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	313,263	329,589
Allowance for credit losses	(6,735)	(7,614)
Net investment in receivables	306,528	321,975
Loan receivables \| North America
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	285,163	300,319
Allowance for credit losses	(6,016)	(6,777)
Net investment in receivables	279,147	293,542
Loan receivables \| International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	28,100	29,270
Allowance for credit losses	(719)	(837)
Net investment in receivables	$ 27,381	$ 28,433
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

Finance Leases, Net Investment in Sales Type Leases Period

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Loans and Leases Receivable, Unearned Income

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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