Financial Instruments (Details 6) (USD $) In Thousands				3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2011 Net Financed Sales Receivables [Member]	Mar. 31, 2011 Net Financed Sales Receivables [Member]	Dec. 31, 2010 Net Financed Sales Receivables [Member]	Jun. 30, 2011 Net Investment in Leases [Member]	Jun. 30, 2011 Net Investment in Leases [Member]
Allowance for credit losses:
Beginning balance	$ 2,658	$ 66	$ 66	$ 66	$ 2,558	$ 4,838
Charge-offs						(2,445)
Provision					34	199
Ending balance	2,658	66	66	66	2,592	2,592
Ending balance: individually evaluated for impairment		66			2,592	2,592
Financing receivables:
Ending balance: individually evaluated for impairment		$ 57,494			$ 24,722	$ 24,722

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A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953423-111524
-Subparagraph (c)(1)

+ Details

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

+ Details

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- Definition

Charge to expense for financing receivables that are expected to be uncollectible.

+ References

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ Details

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- Definition

Reduction to the allowance for credit losses related to financing receivables deemed uncollectible.

+ References

+ Details

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

+ Details

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