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Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2015
Property, Plant and Equipment [Abstract]  
Plant and Equipment
The Partnership’s plant and equipment consist of the following (in thousands):
 
December 31,
2015
 
December 31,
2014
Plant and equipment at cost
$
92,203

 
$
89,759

Construction in process
1,074

 
457

Less accumulated depreciation
(32,038
)
 
(30,123
)
Total plant and equipment, net
$
61,239


$
60,093