XML 63 R52.htm IDEA: XBRL DOCUMENT v3.7.0.1
FAIR VALUE MEASUREMENTS (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Assets    
Asset transfers between levels $ 0  
Liabilities    
Liability transfers between levels 0  
Recurring | Total    
Assets    
Receivables from derivative contracts 31,866 $ 5,923
Liabilities    
Liabilities from derivative contracts 643 16,920
Recurring | Level 2    
Assets    
Receivables from derivative contracts 31,866 5,923
Liabilities    
Liabilities from derivative contracts $ 643 16,920
Predecessor    
Assets    
Asset transfers between levels   0
Liabilities    
Liability transfers between levels   $ 0