For an unclassified balance sheet, amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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- Definition

This element represents the aggregate cost of investments accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

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-Publisher FASB

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Investments (Details) - USD ($)	6 Months Ended
Investments (Details) - USD ($)	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Nov. 04, 2014
Investments
Gain on sale of aircraft	$ 23,987,000	$ 27,735,000
Blackbird
Investments
Percentage of equity ownership				9.50%
Gain on sale of aircraft	2,100,000
Due from affiliate	574,000		$ 454,000
Equity method investment	$ 15,500,000		$ 10,100,000