Annual report pursuant to Section 13 and 15(d)

Debt - Fair Value Of Embedded Derivatives (Details)

v3.3.1.900
Debt - Fair Value Of Embedded Derivatives (Details) - Notes - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Fair value of Senior Notes:      
With the embedded derivatives $ 48,384 $ 129,009 $ 218,081
Without the embedded derivatives 24,647 63,062 116,994
Estimated fair value of the embedded derivatives $ 23,737 $ 65,947 $ 101,087