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Supplemental Cash Flow Information
 12 Months Ended
Dec. 31, 2018
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information

(14)

Supplemental Cash Flow Information

 

Year Ended December 31,

 

 

2018

 

 

2017

 

  

2016

 

 

(in thousands)

 

Net cash provided from operating activities included:

 

 

 

 

 

 

 

 

 

 

 

Income taxes refunded from taxing authorities

$

7,521

 

 

$

1,024

 

 

$

102

 

Interest paid

 

(207,433

)

 

 

(179,431

)

 

 

(159,875

)

Non-cash investing and financing activities included:

 

 

 

 

 

 

 

 

 

 

 

Asset retirement costs capitalized, net

 $

28,826

 

 

 $

20,245

 

 

$

(24,064

)

(Decrease) increase in accrued capital expenditures

 

(119,021

)

 

 

71,739

 

 

 

61,419