Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues:
Manufacturing (including revenues from affiliates of zero and $553 for the three months ended March 31, 2017 and 2016, respectively)	$ 60,726	$ 123,792
Railcar leasing (including revenues from affiliates of $224 and zero for the three months ended March 31, 2017 and 2016, respectively)	33,835	32,768
Railcar services (including revenues from affiliates of $6,147 and $7,994 for the three months ended March 31, 2017 and 2016, respectively)	20,120	19,620
Total revenues	114,681	176,180
Cost of revenues:
Manufacturing	(54,559)	(102,281)
Other operating income	31	0
Railcar leasing	(12,059)	(10,175)
Railcar services	(17,390)	(15,237)
Total cost of revenues	(83,977)	(127,693)
Gross profit	30,704	48,487
Selling, general and administrative	(8,802)	(7,957)
Net gains on disposition of leased railcars	13	167
Earnings from operations	21,915	40,697
Interest income (including income from related parties of $336 and $457 for the three months ended March 31, 2017 and 2016, respectively)	373	478
Interest expense	(5,531)	(5,906)
Other income	54	0
Earnings from joint ventures	550	1,486
Earnings before income taxes	17,361	36,755
Income tax expense	(6,793)	(13,963)
Net earnings	$ 10,568	$ 22,792
Net earnings per common share—basic and diluted (in dollars per share)	$ 0.55	$ 1.16
Weighted average common shares outstanding—basic and diluted (in shares)	19,084	19,665
Cash dividends declared per common share (in dollars per share)	$ 0.40	$ 0.40