Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details 2)

v2.4.0.8
Fair Value Measurements (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2013
Activity in the Level 3 balances    
Beginning balance $ (16,959)  
Unrealized gain 16,959  
Long term debt, including current portion:    
Carrying value 1,108,383 1,606,793
Fair value $ 1,130,978 $ 1,656,797