Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income (Loss) Per Share
Net income/(loss)	$ (17,807)	$ 4,004
Participating securities-non-vested restricted stock		(99)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ (17,807)	$ 3,905
Common shares outstanding - basic	22,837,000	25,299,000
Common shares outstanding - diluted	22,837,000	25,299,000
Basic (in dollars per share)	$ (0.78)	$ 0.15
Diluted (in dollars per share)	$ (0.78)	$ 0.15
Shares of common stock to be issued by required Plan	9,407	9,407
Directors shares for calculation of earnings per share	79,389
Stock options
Income (Loss) Per Share
Antidilutive securities (in shares)	206,000	500,000
Warrants
Income (Loss) Per Share
Antidilutive securities (in shares)	6,980,000	6,626,000