Finance Assets and Lessor Operating Leases (Finance Receivables) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net investment in receivables	$ 1,236,903	$ 1,289,142
North America
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net investment in receivables	1,048,344	1,063,370
International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net investment in receivables	188,559	225,772
Sales-type lease receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	1,278,208	1,352,932
Unguaranteed residual values	56,955	65,409
Unearned income	(397,363)	(438,566)
Allowance for credit losses	(13,584)	(12,608)
Net investment in receivables	924,216	967,167
Sales-type lease receivables \| North America
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	1,081,063	1,110,896
Unguaranteed residual values	45,279	52,637
Unearned income	(349,996)	(383,453)
Allowance for credit losses	(11,322)	(10,252)
Net investment in receivables	765,024	769,828
Sales-type lease receivables \| International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	197,145	242,036
Unguaranteed residual values	11,676	12,772
Unearned income	(47,367)	(55,113)
Allowance for credit losses	(2,262)	(2,356)
Net investment in receivables	159,192	197,339
Loan receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	319,820	329,589
Allowance for credit losses	(7,133)	(7,614)
Net investment in receivables	312,687	321,975
Loan receivables \| North America
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	289,694	300,319
Allowance for credit losses	(6,374)	(6,777)
Net investment in receivables	283,320	293,542
Loan receivables \| International
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross finance receivables	30,126	29,270
Allowance for credit losses	(759)	(837)
Net investment in receivables	$ 29,367	$ 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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