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RELATED-PARTY TRANSACTIONS (Tables)
 12 Months Ended
Dec. 31, 2016
Related Party Transactions [Abstract]  
Schedule of related party transactions

Expenses incurred by the General Partner and reimbursed by us under our Partnership Agreement were as follows:

 

Year ended December 31,

 

2016

 

2015

 

2014

 

(In thousands)

Operation and maintenance expense

$

26,485

 

 

$

25,050

 

 

$

22,004

 

General and administrative expense

31,947

 

 

26,193

 

 

24,993