Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Fair Value Measured On Recurring Basis (Details)

v3.4.0.3
Fair Value Measurements - Schedule of Fair Value Measured On Recurring Basis (Details) - Recurring - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Fair value measurements    
Derivative financial instruments - liabilities $ (25,364) $ (13,470)
Total (25,364) (13,470)
Level 1    
Fair value measurements    
Derivative financial instruments - liabilities 0 0
Total 0 0
Level 2    
Fair value measurements    
Derivative financial instruments - liabilities (25,364) (13,470)
Total (25,364) (13,470)
Level 3    
Fair value measurements    
Derivative financial instruments - liabilities 0 0
Total $ 0 $ 0