Annual report pursuant to Section 13 and 15(d)

Supplemental Cash Flow Information - Supplemental Cash Flow Information (Details)

v3.6.0.2
Supplemental Cash Flow Information - Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Supplemental cash items:      
Cash paid for interest, net of interest capitalized of $520 in 2016, $7,256 in 2015 and $8,526 in 2014 $ 96,501 $ 92,622 $ 77,607
Cash paid for income taxes 310 390  
Cash refunds received for income taxes 7,796 90 3,000
Cash paid for share-based compensation [1]     431
Non-cash investing activities:      
Accruals for property and equipment 9,129 44,324 99,750
ARO - additions, dispositions and revisions, net 10,865 $ (394) $ 89,826
Non-cash financing activities:      
Common stock issued - fair value at issuance date 106,366    
11.00% 1.5 Lien Term Loan, Due November 2019      
Non-cash financing activities:      
Exchange transaction — non-cash securities issued, value 23,823    
9.00%/10.75% Second Lien PIK Toggle Notes, Due May 2020      
Non-cash financing activities:      
Exchange transaction — non-cash securities issued, value 223,905    
8.50%/10.00% Third Lien PIK Toggle Notes, Due June 2021      
Non-cash financing activities:      
Exchange transaction — non-cash securities issued, value 213,446    
8.50% Unsecured Senior Notes, Due June 2019      
Non-cash financing activities:      
Exchange transaction — non-cash securities exchanged, value $ (712,967)    
[1] The cash paid for share-based compensation in 2014 is for dividends on unvested restricted stock and for dividend equivalents paid on RSUs. No cash was received from employees or directors related to share-based compensation and no cash was used to settle any equity instruments granted under share-based compensation arrangements.