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Related Party Transactions Narrative (Details) - Orbitz - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014 | Dec. 31, 2014 | Dec. 31, 2014 | Dec. 31, 2013
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Related Party Transaction [Line Items] |  |  |  |  |
Due from Travelport, net |  |  | $ 15,511 |  |
Shares beneficially owned by parent, percentage | 1.00% | 48.00% |  | 1.00% | 48.00%

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