|
Debt (Interest Expense Recognized for Convertible Notes) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Interest expense, net | $ (389,641) | $ (496,062) | $ (354,107) |