Annual report pursuant to Section 13 and 15(d)

Earnings Per Share (Schedule Of Reconciliation Of Basic And Diluted Shares Of Common Stock Outstanding Used In Calculation Of Earnings Per Share) (Details)

v3.10.0.1
Earnings Per Share (Schedule Of Reconciliation Of Basic And Diluted Shares Of Common Stock Outstanding Used In Calculation Of Earnings Per Share) (Details) - $ / shares
shares in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Earnings Per Share [Abstract]                      
Weighted average number of shares outstanding - basic                 29,915 30,022 30,397
Effect of dilutive stock awards                 340    
Weighted average number of shares outstanding - diluted                 30,255 30,022 30,397
Basic net income (loss) per share $ 0.12 $ 0.14 $ (0.03) $ 0.01 $ 0.20 $ (0.05) $ (0.12) $ (0.05) $ 0.24 $ (0.02) $ (0.30)
Diluted net income (loss) per share $ 0.12 $ 0.14 $ (0.03) $ 0.01 $ 0.20 $ (0.05) $ (0.12) $ (0.05) $ 0.24 $ (0.02) $ (0.30)