Operating Segment and Sales and Credit Concentrations (Tables)

6 Months Ended

Jun. 30, 2016

Segment Reporting Information [Line Items]

Segment reporting information

The information in the following table is derived from the segments’ internal financial reports used by the Company’s management for purposes of assessing segment performance and for making decisions about allocation of resources.

	Three Months Ended June 30, 2016
	Revenues
	External		Intersegment			Total			Earnings (Loss) from Operations
	(in thousands)
Manufacturing	$	97,548	$	9,266		$	106,814		$	15,538
Railcar leasing	33,209		—			33,209			20,237
Railcar services	19,727		609			20,336			3,059
Corporate	—		—			—			(4,441		)
Eliminations	—		(9,875		)	(9,875		)	1,581
Total Consolidated	$	150,484	$	—		$	150,484		$	35,974
	Three Months Ended June 30, 2015
	Revenues
	External		Intersegment			Total			Earnings (Loss) from Operations
	(in thousands)
Manufacturing	$	144,481	$	123,693		$	268,174		$	69,941
Railcar leasing	28,216		—			28,216			16,976
Railcar services	19,301		94			19,395			3,880
Corporate	—		—			—			(2,463		)
Eliminations	—		(123,787		)	(123,787		)	(33,070		)
Total Consolidated	$	191,998	$	—		$	191,998		$	55,264
	Six Months Ended June 30, 2016
	Revenues
	External		Intersegment			Total			Earnings (Loss) from Operations
	(in thousands)
Manufacturing	$	221,340	$	32,897		$	254,237		$	38,224
Railcar leasing	65,977		—			65,977			39,912
Railcar services	39,347		1,568			40,915			6,567
Corporate	—		—			—			(8,949		)
Eliminations	—		(34,465		)	(34,465		)	917
Total Consolidated	$	326,664	$	—		$	326,664		$	76,671
	Six Months Ended June 30, 2015
	Revenues
	External		Intersegment			Total			Earnings (Loss) from Operations
	(in thousands)
Manufacturing	$	366,292	$	207,424		$	573,716		$	140,379
Railcar leasing	52,801		—			52,801			31,740
Railcar services	36,681		196			36,877			6,747
Corporate	—		—			—			(6,813		)
Eliminations	—		(207,620		)	(207,620		)	(56,774		)
Total Consolidated	$	455,774	$	—		$	455,774		$	115,279

Total Assets	June 30, 2016			December 31, 2015
	(in thousands)
Manufacturing	$	260,088		$	272,721
Railcar leasing	1,199,291			1,190,180
Railcar services	59,290			56,880
Corporate/Eliminations	(86,069		)	5,293
Total Consolidated	$	1,432,600		$	1,525,074

Schedule of sales to related parties

Below is a summary of revenue from affiliates for each operating segment reflected as a percentage of total consolidated revenues.

	Three Months Ended   June 30,				Six Months Ended   June 30,
	2016		2015		2016		2015
Manufacturing	0.1	%	32.2	%	0.2	%	40.1	%
Railcar leasing	—	%	—	%	—	%	—	%
Railcar services	4.8	%	3.3	%	4.7	%	2.8	%

Sales Revenue, Segment [Member]

Segment Reporting Information [Line Items]

Schedules of sales and credit concentration

	Three Months Ended   June 30,				Six Months Ended   June 30,
	2016		2015		2016		2015
Manufacturing revenues from significant customers	46.1	%	56.8	%	33.9	%	50.3	%

Accounts Receivable [Member]

Segment Reporting Information [Line Items]

Schedules of sales and credit concentration

	June 30, 2016		December 31, 2015
Manufacturing receivables from significant customers	43.7	%	20.9	%