Leased Railcars (Tables)

12 Months Ended

Dec. 31, 2012

Leased Railcars [Abstract]

Future Minimum Rental Revenues On Leases [Table Text Block]

Year ending December 31, 2013	$     3,762
Year ending December 31, 2014	3,052
Year ending December 31, 2015	1,345
Year ending December 31, 2016	981
Year ending December 31, 2017	551
Thereafter	1,928
	$   11,619