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Cash And Cash Equivalents (Tables)
 3 Months Ended
Mar. 31, 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:
 
Three Months Ended
March 31,
 
2018
 
2017
NON-CASH INVESTING ACTIVITIES:
 
 
 
Accrued capital expenditures
$
1,011

 
$
833

Losses from subsidiary common unit transactions
(103
)
 
(52
)
NON-CASH FINANCING ACTIVITIES:
 
 
 
Contribution of property, plant and equipment from noncontrolling interest
$
—

 
$
988