Finance Assets (Credit Quality) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales-type lease receivables	$ 1,361,315	$ 1,461,043
Loan receivables	406,863	440,797
Sales-type Lease Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales-type lease receivables	1,088,053	1,157,189
Loan Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan receivables	$ 374,147	399,193
Low
Accounts, Notes, Loans and Financing Receivable [Line Items]
Approximate percentage of portfolio	30.00%
Low \| Sales-type Lease Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales-type lease receivables	$ 879,823	886,198
Low \| Loan Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan receivables	$ 296,598	295,725
Medium
Accounts, Notes, Loans and Financing Receivable [Line Items]
Approximate percentage of portfolio	40.00%
Medium \| Sales-type Lease Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales-type lease receivables	$ 135,953	192,645
Medium \| Loan Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan receivables	$ 53,647	85,671
High
Accounts, Notes, Loans and Financing Receivable [Line Items]
Approximate percentage of portfolio	30.00%
High \| Sales-type Lease Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales-type lease receivables	$ 22,600	37,573
High \| Loan Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan receivables	7,216	10,810
Not Scored \| Sales-type Lease Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sales-type lease receivables	49,677	40,773
Not Scored \| Loan Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan receivables	$ 16,686	$ 6,987

Percentage of Portfolio, Risk Designation

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of remaining payments as of the balance sheet date that lessees are obligated to make or can be required to make under sales-type leases, including any guarantee of residual value and executory costs. The amount also includes any guaranteed rental payments by an unrelated third-party provided that are financially capable of making such payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=25496975&loc=d3e45377-112738

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 25
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=7661868&loc=d3e34102-112682

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

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