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Earnings per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Earnings Per Share [Abstract]        
Net income (loss) $ 946 $ 6,340 $ (1,221) $ 9,996 [1]
Basic and diluted weighted average shares outstanding 12,693,989 13,136,106 12,875,884 11,017,363
Basic and Diluted Earnings Per Share (in dollars per share) $ 0.07 $ 0.48 $ (0.09) $ 0.91
[1] Conformed to current period presentation.