Annual report pursuant to Section 13 and 15(d)

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

v3.10.0.1
Supplemental Cash Flow Information - Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Supplemental cash items:      
Cash paid for interest, net of interest capitalized of $0 in 2018, $0 in 2017 and $520 in 2016 [1] $ 61,501 $ 65,873 $ 96,501
Cash paid for income taxes 138 185 310
Cash refunds received for income taxes 11,126 11,906 7,796
Cash paid for share-based compensation [2] 1,130 874  
Cash received for interest income 2,385 315 7,889
Non-cash investing activities:      
Accruals of property and equipment 18,575 33,003 9,129
ARO - additions, dispositions and revisions, net $ 19,877 $ 21,245 10,865
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] During 2018, 2017 and 2016, cash paid for interest included amounts related to the debt issued during 2016, which were accounted for under ASC 470-60 and recorded against the carrying value of the debt instruments on the Consolidated Balance Sheets and included in financing activities on the Consolidated Statements of Cash Flows.
[2] During 2018 and 2017, cash was used to settle vested RSUs related to the retirement of executive officers and shares of common stock were used to settle all other vested RSUs and to settle restricted stock. During 2016, only common shares were used to settle vested RSUs and Restrict stock.