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Summary of Significant Accounting Policies Accumulated Other Comprehensive Income (Loss) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Statement of Comprehensive Income [Abstract] | |||
| Foreign currency translation adjustment | $ (340,847) | $ (334,893) | $ (97,589) |
| Total comprehensive loss | $ (2,332,974) | $ (1,982,235) | $ (864,640) |