Long-term Debt (Tables)

6 Months Ended

Jun. 30, 2014

Property Subject to or Available for Operating Lease [Line Items]

Summary of remaining principal payments under existing debt agreements

The remaining principal payments under the Amended and Restated Credit Agreement as of June 30, 2014 are as follows (in thousands):

Remaining 6 months of 2014	$	5,306
2015	10,612
2016	10,612
2017	10,612
2018	13,703
2019 and thereafter	263,415
Total	$	314,260

Lease Fleet Financing [Member]

Property Subject to or Available for Operating Lease [Line Items]

Future Minimum Rental Revenues for Operating Leases [Table Text Block]

The future contractual minimum rental revenues related to the railcars pledged as of June 30, 2014 are as follows (in thousands):

Remaining 6 months of 2014	$	18,115
2015	35,887
2016	35,099
2017	26,458
2018	17,009
2019 and thereafter	31,703
Total	$	164,271