Rental Activity (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Property Subject to or Available for Operating Lease [Line Items]
2015	9,835
2016	1,306
Thereafter	0
Total	11,141
Minimum
Property Subject to or Available for Operating Lease [Line Items]
Rental arrangements, original term	6 months
Maximum
Property Subject to or Available for Operating Lease [Line Items]
Rental arrangements, original term	2 years

Operating Leases, Future Minimum Payments Receivable, after Two Years

No definition available.

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- Definition

Operating Leases of Lessor, Original Term

+ References

No definition available.

+ Details

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- Definition

Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718

+ Details

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- Definition

Future rental payments receivable within one year of the balance sheet date under an operating lease.

+ References

+ Details

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Period Type:	instant

- Definition

Future rental payments receivable within the second year from the balance sheet date under an operating lease.

+ References

+ Details

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- Details

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