Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues:
Manufacturing operations (including revenues from affiliates of $0 and $19,274 for the three months ended September 30, 2011 and 2010, and including revenues from affiliates of $1,221 and $65,401 for the nine months ended September 30, 2011 and 2010, respectively)	$ 108,615	$ 48,404	$ 271,908	$ 127,262
Railcar services (including revenues from affiliates of $6,916 and $4,263 for the three months ended September 30, 2011 and 2010, and including revenues from affiliates of $19,049 and $10,283 for the nine months ended September 30, 2011 and 2010, respectively)	17,169	16,393	50,632	51,011
Total revenues	125,784	64,797	322,540	178,273
Cost of revenues:
Manufacturing operations	(98,211)	(49,366)	(250,892)	(131,643)
Railcar services	(12,618)	(13,141)	(38,493)	(40,814)
Total cost of revenues	(110,829)	(62,507)	(289,385)	(172,457)
Gross profit	14,955	2,290	33,155	5,816
Selling, administrative and other (including costs to a related party of $145 and $154 for the three months ended September 30, 2011 and 2010, and including costs to a related party of $436 and $462 for the nine months ended September 30, 2011 and 2010, respectively)	(2,934)	(6,232)	(14,878)	(17,925)
Earnings (loss) from operations	12,021	(3,942)	18,277	(12,109)
Interest income (including income from related parties of $717 for both the three months ended September 30, 2011 and 2010, and including income from related parties of $2,111 and $1,938 for the nine months ended September 30, 2011 and 2010, respectively)	1,005	1,058	2,865	2,557
Interest expense	(4,478)	(5,316)	(15,143)	(15,956)
Other income (including income from a related party of $4 for both the three months ended September 30, 2011 and 2010, and including income from a related party of $11 and $12 for the nine months ended September 30, 2011 and 2010, respectively)	5	4	24	381
Loss from joint ventures	(2,170)	(1,946)	(7,241)	(5,999)
Earnings (loss) before income taxes	6,383	(10,142)	(1,218)	(31,126)
Income tax (expense) benefit	(2,357)	3,890	484	11,969
Net earnings (loss)	$ 4,026	$ (6,252)	$ (734)	$ (19,157)
Net earnings (loss) per common share - basic and diluted	$ 0.19	$ (0.29)	$ (0.03)	$ (0.90)
Weighted average common shares outstanding - basic and diluted	21,352	21,302	21,351	21,302
Dividends declared per common share