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Fair Value - Narrative (Details) (Fair Value, Inputs, Level 3, USD $)
In Millions, unless otherwise specified |
Mar. 31, 2015
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Dec. 31, 2014
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|---|---|---|
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Pre-Delivery Payments
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| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Fair value of non-related party debt | $ 58.2 | $ 51.2 |
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Airport Slots
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| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Fair value of non-related party debt | 40.0 | |
| Principal Owner | ||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Fair value of related party debt | $ 39.7 | $ 38.8 |