Quarterly report pursuant to Section 13 or 15(d)

Components of Calculation of Basic and Diluted Earnings Per Share (Details)

v3.20.2
Components of Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2020
Sep. 30, 2019
Earnings Per Share [Abstract]                
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 200           100  
Net income (loss) $ (243,413) $ (94,715) $ 163,094 $ 54,362 $ 51,625 $ (38,697) $ (175,034) $ 67,290
Weighted-average shares – basic 15,183     15,110     15,168 15,105
Effect of dilutive securities 0     50     0 60
Weighted-average shares – diluted 15,183     15,160     15,168 15,165