Condensed Consolidated Statements of Operations (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues from affiliates included in manufacturing	$ 188	$ 40	$ 325	$ 816
Revenues from affiliates included in railcar services	1,156	5,933	11,729	21,176
Revenues From Affiliates Included In Leasing	231	28	678	28
Interest income from related parties	$ 280	$ 404	$ 922	$ 1,288