Loss per Common Share - Textual (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accretion on Convertible Preferred Shares	$ (8,355)	$ 6,352	$ 0
Income (Loss) from Continuing Operations, Per Basic Share	$ (2.31)	$ 3.72	$ (0.89)
Net Income Allocated to Convertible Shares	$ 0		$ 0
Antidilutive securities excluded from computation of earnings per share, amount	1,442,518	0	1,391,456
Contingent Restricted Stock Units (RSUs) [Member]
Antidilutive securities excluded from computation of earnings per share, amount	1,012,637	1,443,921	503,321
Convertible Preference Shares | Series 4 Convertible Preferred Stock [Member]
Accretion on Convertible Preferred Shares		$ (6,352)
Shares, Outstanding	95,000,000	95,000,000
Convertible Preferred Stock, Shares Issued upon Conversion	10,970,714	10,135,244