Property, Plant and Equipment (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011
Components of Railcar assets leased to others
Railcar leased to others	$ 293,081	$ 272,883	$ 236,285
Less accumulated depreciation	78,058	75,746	67,096
Railcar assets leased to others, net	$ 215,023	$ 197,137	$ 169,189

The amount of accumulated depreciation, by major property class, recorded on property subject to or available for lease as of the balance sheet date.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 23

-Subparagraph b(i)

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 19

-Subparagraph a

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- Definition

The amount of lessor property subject to or available for lease, at cost adjusted for any previously recognized impairment charges, by major property class, as of the balance sheet date.

+ References

+ Details

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- Definition

The amount of property, by major property class, net of accumulated depreciation, subject to or available for lease as of the balance sheet date.

+ References

+ Details

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