Allowance for Credit Losses - Aging of Past-Due Receivables (Details) - Notes Receivable [Member] - USD ($) $ in Thousands	Dec. 31, 2014	Dec. 31, 2013
Summarizes the Company's aging of past-due notes receivable
30-59 days past due	$ 85	$ 85
60-89 days past due	0	0
> 89 days past due	1,518	0
Total past due	$ 1,603	$ 85

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=35738203&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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Period Type:	instant

- Definition

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

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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- References

No definition available.

+ Details

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- Details

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