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Basis of Presentation and Principles of Consolidation (Reclassification) (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2015 | Jun. 30, 2014
Cash flows from operating activities: | $ (63,774) | $ (92,107)
Cash flows from investing activities: | $ (2,356) | 67,321
Scenario, Previously Reported [Member] |  |
Cash flows from operating activities: |  | (83,477)
Cash flows from investing activities: |  | 58,691
Scenario, Adjustment [Member] |  |
Cash flows from operating activities: |  | (8,630)
Cash flows from investing activities: |  | 8,630
Scenario, Actual [Member] |  |
Cash flows from operating activities: |  | (92,107)
Cash flows from investing activities: |  | $ 67,321

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