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Revenue as percentage of profit under agreement.

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Revenue As Percentage of Profit Under Agreement (related to railcars owned by ARL)

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Service agreement period.

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Service Agreement Renewal Period

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Amount of expense incurred and directly related to generating revenue from leased and rented property or equipment.

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- Definition

Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due within 1 year (or 1 business cycle).

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due after 1 year (or 1 business cycle).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Related Party Transactions (Details) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended
Related Party Transactions (Details) - USD ($)	Apr. 27, 2015	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Related Party Transactions (Textual) [Abstract]
Railcar leasing cost of revenues		$ (10,856,000)	$ (10,577,000)	$ (34,532,000)	$ (31,108,000)
Revenue from related parties		0
Inventory, Net		72,675,000		72,675,000		$ 75,028,000
Term Loan and Credit Agreement [Member] \| Axis [Member]
Related Party Transactions (Textual) [Abstract]
Notes receivable		13,300,000		13,300,000		17,700,000
M.W. Recycling [Member]
Related Party Transactions (Textual) [Abstract]
Revenue from related parties		600,000	800,000	2,100,000	1,600,000
Joint Ventures [Member]
Related Party Transactions (Textual) [Abstract]
Expense with related parties		(3,400,000)	(9,000,000)	(14,000,000)	(23,400,000)
Insight Portfolio [Member] \| Maximum [Member]
Related Party Transactions (Textual) [Abstract]
Expense with related parties		(100,000)	(100,000)	$ (100,000)	$ (100,000)
Purchasing and Engineering Services Agreement [Member] \| ACF [Member]
Related Party Transactions (Textual) [Abstract]
Percentage of consideration under agreement				30.00%	30.00%
Revenue from related parties		0	0	$ 0	$ 700,000
Repair Services and Support Agreement [Member] [Domain] \| ACF [Member]
Related Party Transactions (Textual) [Abstract]
Percentage of consideration under agreement	30.00%
Percentage of consideration under agreement (related to railcars owned by ARL)	20.00%
Revenue from related parties		100,000	100,000	$ 200,000	100,000
Railcar services agreement [Member] \| ARL [Member]
Related Party Transactions (Textual) [Abstract]
Term of agreement				3 years
Service Agreement Renewal Period				1 year
Revenue from related parties		0	5,900,000	$ 10,100,000	21,200,000
Railcar management agreement [Member] \| ARL [Member]
Related Party Transactions (Textual) [Abstract]
Expense with related parties		0	(100,000)	(300,000)	(700,000)
Railcar leasing cost of revenues		0	(1,700,000)	(2,800,000)	(5,000,000)
Component purchases [Member] \| ACF [Member]
Related Party Transactions (Textual) [Abstract]
Component purchases from ACF		800,000	1,500,000	4,300,000	4,400,000
Railcar Orders [Member] \| IELP Entities [Member]
Related Party Transactions (Textual) [Abstract]
Revenue from related parties		0
Rail Management Transition Agreement [Member] \| American Entertainment Properties Corporation [Member]
Related Party Transactions (Textual) [Abstract]
Due from Affiliate, Current		100,000		100,000		$ 600,000
Consulting Services Agreement [Member] \| ARL [Member]
Related Party Transactions (Textual) [Abstract]
Revenue from related parties		0		100,000
Consulting Services Agreement [Member] \| IELP Entities [Member]
Related Party Transactions (Textual) [Abstract]
Revenue from related parties				100,000
Railcar Leases [Member] \| IELP Entities [Member]
Related Party Transactions (Textual) [Abstract]
Revenue from related parties		200,000	100,000	700,000	0
Railcar Services [Member] \| IELP Entities [Member]
Related Party Transactions (Textual) [Abstract]
Revenue from related parties		1,100,000	0	1,200,000	0
Railcar Services [Member] \| CVR [Member] [Member]
Related Party Transactions (Textual) [Abstract]
Revenue from related parties		$ 0	$ 0	$ 200,000	$ 0