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Basis of Presentation and Accounting Policy (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified |
0 Months Ended | 3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
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Jan. 31, 2013
|
Sep. 30, 2014
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Jun. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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Dec. 31, 2013
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Jun. 30, 2013
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Dec. 31, 2012
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| Nature of Operations and Accounting Policies [Line Items] | |||||||||
| Support Service Period | 2 years | ||||||||
| Deferred revenue | $ 29,501 | $ 28,477 | $ 20,269 | $ 29,501 | $ 20,269 | $ 24,243 | $ 15,620 | $ 8,953 | |
| Asset Impairment Charges | 0 | (2,500) | 0 | (2,457) | 0 | ||||
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Aeroleo [Member]
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|||||||||
| Nature of Operations and Accounting Policies [Line Items] | |||||||||
| Deferred revenue | 27,800 | 27,800 | |||||||
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Customer [Member]
|
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| Nature of Operations and Accounting Policies [Line Items] | |||||||||
| Deferred revenue | $ 1,700 | $ 1,700 | |||||||