Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Instruments Not Carried at Fair Value (Details)

v3.5.0.2
Fair Value Measurements - Schedule of Instruments Not Carried at Fair Value (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Long term debt, including current portion:    
Carrying value $ 1,678,660 $ 1,744,647
Fair value [1] $ 1,559,409 $ 1,603,375
[1] T he fair value is based on market quotations from third party financial institutions and is classified as Level 2 in the hierarchy.