Changes in Operations RCP&E (Details) (RCP&E [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended
May 30, 2014	May 30, 2014 employee carload mile
RCP&E [Member]
Cash purchase price	$ 218,600
Track miles	670	670
Carloads shipped annually	63,000	63,000
Number of employees	180	180
Purchase Price Allocations [Abstract]
Materials and supplies	3,621	3,621
Prepaid expenses and other	116	116
Property and equipment	217,032	217,032
Deferred income tax assets	325	325
Total assets	221,094	221,094
Current portion of long-term debt	1,121	1,121
Accounts payable and accrued expenses	108	108
Long-term debt, less current portion	1,260	1,260
Net assets	$ 218,605	$ 218,605

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The amount of materials and supplies recognized as of the acquisition date

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Carloads shipped on rail line

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Track Miles

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Amount of assets acquired at the acquisition date.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of long-term debt due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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