Allowance for Credit Losses (Details 1) (USD $) In Thousands	Sep. 30, 2011
Summarizes the Company's aging of past-due notes receivable
30-59 days past due	$ 0
60-89 days past due	0
> 89 days past due	1,426
Total past due	$ 1,426

Financing receivables that are less than 60 days past due but more than 29 days past due.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7A

-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953401-111524

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Financing receivables that are less than 90 days past due but more than 59 days past due.

+ References

+ Details

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- Definition

Financing receivables that are equal to or greater than 90 days past due.

+ References

+ Details

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- Definition

Recorded Investment in financing receivables that are past due at the balance sheet date.

+ References

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