Quarterly report pursuant to Section 13 or 15(d)

Dispositions (Summarized Results of Discontinued Operations) (Details)

v3.19.3
Dispositions (Summarized Results of Discontinued Operations) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Income (loss) from discontinued operations $ (61)     $ (21) $ 5,448 $ (416)
Discontinued Operations [Member] | Joint Operating With Republic Of Angola [Member]            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Gain on settlement of drilling obligation         (7,193)  
General and administrative expense 77     23 297 387
Total operating costs, expenses and (recovery) 77     23 (6,896) 387
Operating income (loss) (77)     (23) 6,896 (387)
Other, net       2   (29)
Total other income (expense)       2   (29)
Income (loss) from discontinued operations before income taxes (77)     (21) 6,896 (416)
Income tax expense (benefit) (16)       1,448  
Income (loss) from discontinued operations $ (61) $ 5,700 $ 5,700 $ (21) $ 5,448 $ (416)