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Cash And Cash Equivalents (Tables)
 6 Months Ended
Jun. 30, 2018
Supplemental Cash Flow Information [Abstract]  
Schedule Of Non-Cash Investing and Non-Cash Financing Activities
Non-cash investing and financing activities were as follows:
 
Six Months Ended
June 30,
 
2018
 
2017
NON-CASH INVESTING ACTIVITIES:
 
 
 
Accrued capital expenditures
$
1,015

 
$
1,364

Losses from subsidiary common unit transactions
(125
)
 
(51
)
NON-CASH FINANCING ACTIVITIES:
 
 
 
Contribution of property, plant and equipment from noncontrolling interest
$
—

 
$
988

Conversion of Series A Convertible Preferred Units to common units
589

 
—