Earnings Per Share - Schedule of Earnings Per Share Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Numerator:
Net income (loss) attributable to shareholders	$ 1,210	$ (20,000)
Less: Income allocated to participating securities	(469)	(387)
Income allocated to participating securities on share settled contingent consideration arrangements	(210)
Dividends declared on convertible preferred stock	(656)	(656)
Amortization of discount on convertible preferred stock	(745)	(745)
Net loss attributable to common shareholders	$ (870)	$ (21,788)
Denominator:
Basic weighted-average common shares outstanding	174,892	155,184
Basic earnings (loss) per common share		$ (0.14)
Numerator:
Net income (loss) attributable to shareholders	$ 1,210	$ (20,000)
Less: Income allocated to participating securities	(469)	(387)
Dividends declared on convertible preferred stock	(656)	(656)
Amortization of discount on convertible preferred stock	(745)	(745)
Mark-to-market gain on share settled contingent consideration arrangements	(994)
Net loss attributable to common shares	$ (1,654)	$ (21,788)
Denominator:
Basic weighted-average common shares outstanding	174,892	155,184
Contingent consideration	607
Weighted-average shares for dilutive earnings per common share	175,499	155,184
Dilutive (loss) earnings per common share	$ (0.01)	$ (0.14)