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Supplemental Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract]  
Change in certain working capital accounts
The following table presents additional information about the change in certain working capital accounts:
 
 
For the years ended December 31,
(in thousands)
 
2019
 
2018
 
2017
 
 
 
 
 
 
 
Accounts receivable
 
$
(104,956
)
 
$
(22,130
)
 
$
(22,522
)
Other current assets
 
(11,352
)
 
(6,207
)
 
(6,150
)
Accounts payable
 
1,572

 
965

 
(7,259
)
Accrued employee compensation and benefits
 
514

 
9,218

 
3,175

Accrued interest
 
12,726

 
6

 
465

Other accrued liabilities
 
3,853

 
(1,531
)
 
12,180

Unearned revenue
 
219

 
2,915

 
943

Other, net
 
(20,022
)
 
605

 
(3,022
)
Total
 
$
(117,446
)
 
$
(16,159
)
 
$
(22,190
)