Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2014

Property, Plant and Equipment [Abstract]

Components of property, plant and equipment

The following table summarizes depreciation expense:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2014		2013		2014		2013
	(in thousands)
Total depreciation expense	$	7,989	$	6,860	$	15,672	$	13,395
Depreciation expense on leased railcars	$	3,659	$	2,300	$	6,990	$	4,415

Note 5 — Property, Plant, Equipment and Railcars on Operating Leases, net

The following table summarizes the components of property, plant, equipment and railcars on operating leases, net:

	June 30, 2014			December 31, 2013
	(in thousands)
Operations / Corporate:
Buildings	$	156,122		$	155,937
Machinery and equipment	188,150			186,844
Land	3,335			3,335
Construction in process	18,685			14,487
	366,292			360,603
Less accumulated depreciation	(208,335		)	(201,228		)
Property, plant and equipment, net	$	157,957		$	159,375
Railcar Leasing:
Railcars on operating leases	$	474,499		$	388,060
Less accumulated depreciation	(22,469		)	(15,509		)
Railcars on operating leases, net	$	452,030		$	372,551

Summary of future contractual minimum rental revenues required under non-cancellable operating leases for railcars

As of June 30, 2014, future contractual minimum rental revenues required under non-cancellable operating leases for railcars with terms longer than one year are as follows (in thousands):

Remaining 6 months of 2014	$	29,840
2015	59,268
2016	57,550
2017	43,401
2018	31,500
2019 and thereafter	47,724
Total	$	269,283