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RELATED PARTY TRANSACTIONS Table 2 - Employee Transfer (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 01, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Decrease in related party payable:        
Current $ 16,014 $ 0 $ 894 $ (872)
Long-term 32,656      
Decrease in related party payable 48,670      
Changes to our consolidated balance sheet:        
Current and long-term assets 2,154      
Current liabilities 5,609      
Other long-term liabilities 34,042      
Limited partners’ equity 2,664      
Accumulated other comprehensive loss 4,201      
Changes to our consolidated balance sheet $ 48,670