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State and Local Incentives (Tables)

12 Months Ended

Dec. 31, 2017

State and Local Incentives [Abstract]

Changes in Deferred Income from State Incentives



	December 31,
	2017		2016
Balance at the beginning of the year	$        13,599		$        14,318
State and local incentives received during the year	-		1,410
Recognition of state and local incentives as a reduction of cost of sales	(2,219)		(2,129)
Balance at the end of the year, including current portion	$        11,380		$        13,599



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- Definition

Tabular disclosure of the type of arrangements and the corresponding amounts that comprise the current and noncurrent balance of deferred income from government grants as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

State and Local Incentives [Abstract]

+ References

No definition available.

+ Details

Name:	rail_StateAndLocalIncentivesAbstract
Namespace Prefix:	rail_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration