Share-Based Compensation and Warrants - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Share Based Compensation [Abstract]
Stock option granted			0
Unrecognized compensation costs related to non-vested stock options	$ 1.0		$ 1.0
Expected weighted average period to recognize compensation cost on restricted stock (in years)			7 months 6 days
Number of options exercised			0
Share-based compensation arrangement by share-based payment award, options, vested and expected to vest, outstanding, aggregate intrinsic value	5.4		$ 5.4
Compensation expense recognized for outstanding share-based awards	$ 0.2	$ 1.0	$ 0.7	$ 2.9